Fix Docker build

Cargo.lock

@@ -1793,9 +1793,9 @@ dependencies = [
 
 [[package]]
 name = "federation-net"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15a8707baeccb46b5935138f9cb3df3c988c0730b807a2634d901f26b39250d6"
+checksum = "c3e690b370c505d153bef214b21a8f2aa55d667367ac1e16bde8bc0de88963c2"
 dependencies = [
  "blake3",
  "data-encoding",
@@ -1938,7 +1938,7 @@ checksum = "e6d5a32815ae3f33302d95fdcb2ce17862f8c65363dcfd29360480ba1001fc9c"
 
 [[package]]
 name = "furumusic"
-version = "0.9.8"
+version = "0.10.2"
 dependencies = [
  "anyhow",
  "async-stream",
@@ -1953,6 +1953,7 @@ dependencies = [
  "futures-util",
  "id3",
  "image",
+ "libc",
  "librqbit",
  "md-5",
  "music-dht",
@@ -1969,6 +1970,7 @@ dependencies = [
  "symphonia",
  "tokio",
  "tokio-cron-scheduler",
+ "tokio-util",
  "tower",
  "tracing",
  "tracing-subscriber",
@@ -3775,9 +3777,9 @@ dependencies = [
 
 [[package]]
 name = "music-dht"
-version = "0.3.1"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91592b40de9f3c2158a39da105c821e9bf17f461fe142a56a8607fb0faf56a9c"
+checksum = "0c5b429b90a8f1b0980b3a35a6fa5445d7a275c737eb04db18db4d7f14c81478"
 dependencies = [
  "async-trait",
  "blake3",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "furumusic"
-version = "0.10.0"
+version = "0.10.3"
 edition = "2024"
 description = "Reusable web-app boilerplate: auth, OIDC/SSO, admin panel, user management, i18n, PostgreSQL"
 
@@ -13,7 +13,9 @@ schemars = { version = "0.9", features = ["derive"] }
 serde = { version = "1", features = ["derive"] }
 openidconnect = "4.0"
 reqwest = { version = "0.12", default-features = false, features = ["rustls-tls", "json", "stream"] }
-tokio = { version = "1", features = ["sync", "fs", "io-util"] }
+tokio = { version = "1", features = ["sync", "fs", "io-util", "process"] }
+tokio-util = "0.7"
+libc = "0.2"
 async-stream = "0.3"
 bytes = "1"
 tower = "0.5"
@@ -43,4 +45,4 @@ uuid = "1"
 librqbit = { version = "8.1.1", features = ["disable-upload"] }
 # P2P federation: publishes the library into a shared DHT and serves audio /
 # catalogs to furumi peers (TUI clients) over the frid stack.
-music-dht = "0.3.1"
+music-dht = "0.4.0"

Dockerfile

@@ -1,4 +1,4 @@
-FROM rust:1-slim AS builder
+FROM rust:1-bookworm AS builder
 
 RUN apt-get update \
     && apt-get install -y --no-install-recommends pkg-config libssl-dev ca-certificates \
@@ -14,14 +14,25 @@ COPY templates ./templates
 
 RUN cargo build --release
 
+FROM denoland/deno:bin-2.8.3 AS deno
+
 FROM debian:bookworm-slim
 
+ARG YT_DLP_VERSION=2026.07.04
+
 RUN apt-get update \
-    && apt-get install -y --no-install-recommends ca-certificates \
+    && apt-get install -y --no-install-recommends \
+        ca-certificates \
+        ffmpeg \
+        python3 \
+        python3-pip \
+    && pip3 install --break-system-packages --no-cache-dir --disable-pip-version-check \
+        "yt-dlp[default]==${YT_DLP_VERSION}" \
     && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /data
 COPY --from=builder /app/target/release/furumusic /usr/local/bin/furumusic
+COPY --from=deno /deno /usr/local/bin/deno
 
 EXPOSE 8000
 CMD ["furumusic", "-l", "0.0.0.0:8000"]

README.md

@@ -1,201 +1,143 @@
-# furumusic
+# Furumusic
 
-Reusable web-app boilerplate: auth, OIDC/SSO, admin panel, user management, i18n, PostgreSQL.
+**Your library. Your users. Your network.**
 
-Built with Rust ([cot](https://cot.rs) framework).
+Furumusic is a self-hosted, multi-user music server with a full web player and
+support for the Furumi federated network. It turns a collection of music files
+into a shared library that is available from any modern browser, while every
+user keeps their own playlists, likes, listening history, and playback state.
 
-## Quick start
+Music can be uploaded directly, imported from a `.torrent` file, or downloaded
+from a magnet link. An optional AI-assisted import pipeline reads the available
+tags and path information, reconstructs inconsistent metadata, finds artwork,
+and organizes the result into artists, releases, and tracks. Uncertain matches
+are kept for review instead of silently entering the library with bad data.
+
+## Why Furumusic?
+
+Furumusic is for a household, a small community, or anyone who wants one music
+library without handing it to a subscription service. The server owns the
+catalog and media files; the browser is only the player.
+
+- one shared library with separate user accounts;
+- a responsive web player with artists, releases, search, queue, and playlists;
+- direct file uploads and imports from YouTube, torrent files, or magnet links;
+- optional AI-assisted recognition and normalization of metadata;
+- password login or OIDC/SSO with group-based access control;
+- optional federation without a central catalog or search service;
+- trusted-device pairing, playback handoff, and synchronization between Furumi
+  players;
+- Last.fm scrobbling and similarity-based discovery when configured.
+
+Furumusic does not include music. Import only media you are allowed to store and
+share.
+
+## Importing music
+
+Users can add audio files from the web interface or ask the server to download
+selected files from a torrent. Both routes feed the same import pipeline, so a
+library remains consistent regardless of where its files came from.
+
+The importer combines embedded tags, filenames, folder structure, and existing
+catalog context. With an OpenAI-compatible language model configured, it can
+normalize artist and release names, separate featured artists, recover track
+numbers and release types, and flag ambiguous results for a user to approve.
+Cover art is taken from nearby image files or embedded artwork when available.
+
+The inbox and permanent library are separate directories. New files are first
+processed in the inbox and are moved into the organized library only after
+their metadata has been accepted.
+
+## Federation
+
+Federation is optional. Independent Furumusic and Furumi players that use the
+same Network ID discover one another as a logical network. Each peer keeps its
+own library and can continue working alone.
+
+When federation is enabled, local and remote artists, releases, and tracks can
+appear in the same search and library views. Missing audio is streamed from an
+available peer and can optionally be retained locally. Similarity search also
+stays decentralized: embeddings and exact ranking remain on the instance that
+owns the music.
+
+Trusted-device pairing is separate from public catalog discovery. It connects
+a user's own Furumi players so likes, playlists, playback state, and control can
+move between approved devices.
+
+## Build and run
+
+Furumusic requires PostgreSQL and a Rust toolchain with Rust 2024 edition
+support. Create an empty database, provide its connection URL, and start the
+server:
 
 ```bash
-export FURU_DATABASE_URL=postgresql://user:pass@localhost/furumusic
-cargo run
-# Open http://localhost:8000/admin/setup to create the first admin account
+export FURU_DATABASE_URL='postgresql://furumusic:password@127.0.0.1/furumusic'
+cargo run --release --locked
 ```
 
-## Project structure
+Open <http://127.0.0.1:8000/admin/setup> to create the first administrator.
+After setup, configure the inbox and library directories under **Admin →
+Settings** before importing music.
 
+To listen on another address or port:
+
+```bash
+cargo run --release --locked -- -l 0.0.0.0:8000
 ```
-Cargo.toml                  Project manifest and dependencies
-build.rs                    Captures rustc version + target at compile time
-src/
-  main.rs                   Entrypoint; HTTP router, login/logout handlers, tracing init
-  config.rs                 3-tier config system (default → DB → env); FURU_* env vars
-  auth.rs                   Session auth, Role enum (Admin/User), login/logout/guards
-  user.rs                   User + OidcLink DB models, CRUD, password hashing, migrations
-  oidc.rs                   OIDC/SSO flow: discovery, PKCE, token exchange, user provisioning
-  i18n/
-    mod.rs                  Language resolution (cookie → Accept-Language → default), extractor
-    phrases.rs              All UI strings in English and Russian (translations! macro)
-  api/
-    mod.rs                  JSON API endpoints (mounted at /api), session-based auth
-  admin/
-    mod.rs                  Admin sub-app router: dashboard, settings, users, debug, setup
-    views.rs                Admin page handlers and templates
-templates/
-  base.html                 Root HTML layout with lang/title blocks
-  login.html                Login page (password + optional SSO button)
-  admin/
-    layout.html             Admin sidebar/nav wrapper
-    index.html              Admin dashboard
-    debug.html              Build info + config table (with secret redaction)
-    settings.html           OIDC and auth settings form
-    setup.html              First-run admin account creation
-    users.html              User list
-    user_form.html          User create/edit form
+
+A Nix development shell is included for Linux and macOS:
+
+```bash
+nix develop
+cargo run --locked
 ```
 
+The repository also contains a multi-stage `Dockerfile` for building a small
+runtime image. A deployment must provide PostgreSQL plus persistent, writable
+volumes for the inbox and music library.
+
+## Configuration
+
+Most settings can be changed from the administration interface. Every setting
+also has a `FURU_`-prefixed environment variable; environment values take
+priority over values stored in PostgreSQL.
+
+The settings needed for a useful first installation are:
+
+| Setting | Purpose |
+| --- | --- |
+| `FURU_DATABASE_URL` | PostgreSQL connection URL; required to run the service |
+| `FURU_AGENT_INBOX_DIR` | Temporary inbox for uploads and downloaded files |
+| `FURU_AGENT_STORAGE_DIR` | Permanent, organized music library |
+| `FURU_AGENT_ENABLED` | Enables the background metadata import pipeline |
+| `FURU_AGENT_LLM_URL` | Base URL of an OpenAI-compatible model server |
+| `FURU_AGENT_LLM_MODEL` | Model used to recognize and normalize metadata |
+| `FURU_FEDERATION_ENABLED` | Publishes the library and enables peer discovery |
+| `FURU_FEDERATION_NETWORK_ID` | Joins peers with the same value into one logical network |
+
+AI recognition, federation, similarity search, Last.fm, and OIDC are optional.
+A local password-authenticated server can be used without any of them.
+
 ## Architecture
 
-### Config system (`src/config.rs`)
+Furumusic is written in Rust on the
+[Cot](https://cot.rs) web framework. PostgreSQL stores the catalog, accounts,
+playlists, configuration, and background-job state. Audio inspection uses
+Symphonia, torrent downloads use librqbit, and the shared `music-dht`/Frid
+protocol stack provides decentralized catalog search, media transfer, and
+connected-device synchronization.
 
-Every setting lives in `AppConfig` and is resolved in three layers:
+The browser interface and JSON API are served by the same application. Import,
+artwork, metadata enrichment, similarity indexing, and maintenance run as
+durable background jobs rather than blocking playback requests.
 
-1. **Compiled default** — `AppConfig::default()`
-2. **Database override** — rows in the `furumusic__config_entry` table
-3. **Environment variable** — `FURU_<FIELD_NAME>` (highest priority)
+## Contributing
 
-`ConfigSources` tracks where each field's effective value came from (shown in the admin debug page).
+Bug reports, design discussions, and patches are welcome. Before submitting a
+change, run:
 
-**To add a new config field:**
-
-1. Add the field to `AppConfig` struct
-2. Set its default in `AppConfig::default()`
-3. Add the field to `ConfigSources` struct and its `Default` impl
-4. Add it to the `impl_env_overrides!(…)` invocation
-5. Add an `apply_db_field!()` call in `apply_db_overrides`
-6. Add an `entry!()` line in `admin/views.rs → config_display_entries()`
-
-### Auth (`src/auth.rs`)
-
-Session-based authentication with two roles:
-
-- **`Role::Admin`** — full access to admin panel
-- **`Role::User`** — standard user
-
-Key functions:
-- `login(session, user_id)` — sets session, cycles session ID
-- `logout(session)` — flushes session
-- `get_session_user(session, db)` — returns `AuthenticatedUser` if active
-- `require_admin_or_redirect(session, db)` — guard that returns 403 or redirects to `/login`
-
-### OIDC/SSO (`src/oidc.rs`)
-
-Full OpenID Connect authorization code flow with PKCE:
-
-1. `GET /auth/oidc/start` — discovers provider, builds auth URL, stores CSRF/nonce/PKCE in session, redirects to IdP
-2. `GET /auth/oidc/callback` — validates CSRF, exchanges code for tokens, verifies ID token, provisions user
-
-Provider metadata is cached for 1 hour and invalidated when OIDC config changes.
-
-**Group access and role mapping:** The `oidc_user_groups` config field lists OIDC group names (comma-separated) allowed to access the service. When it is set, users outside both `oidc_user_groups` and `oidc_admin_groups` are denied before provisioning/login. The `oidc_admin_groups` config field lists OIDC group names that grant the admin role. Groups are extracted from the `groups` claim in the ID token JWT payload.
-
-**User provisioning order:**
-1. Find existing `OidcLink` by issuer+sub → update claims, update role
-2. Find existing `User` by email → create OidcLink, update role
-3. Create new user (no password) + OidcLink
-
-Stale links (pointing to deleted users) are cleaned up automatically.
-
-### User model (`src/user.rs`)
-
-Two database models:
-
-- **`User`** — id, username (unique), password (optional for OIDC-only), email, display_name, avatar_url, role, is_active
-- **`OidcLink`** — id, user_id, issuer, sub, email, name, avatar_url; unique index on (issuer, sub)
-
-Migrations: M0003 (User table), M0004 (OidcLink table), M0005 (OidcLink indexes).
-
-### i18n (`src/i18n/`)
-
-Compile-time bilingual UI (English + Russian).
-
-- `translations!` macro in `phrases.rs` generates a `Translations` struct with static `EN` and `RU` instances
-- Language resolution: `furu_lang` cookie → `Accept-Language` header → English default
-- `I18n` is a cot request extractor — handlers receive it automatically
-- `set_lang` endpoint (`/set-lang?lang=ru&next=/`) sets the cookie
-
-### API (`src/api/`)
-
-JSON API mounted at `/api`. Uses the same session cookie as HTML pages — works automatically for same-origin frontend requests (no CORS, no tokens needed).
-
-Helpers in `api/mod.rs`:
-- `json_ok(value)` — 200 with `application/json`
-- `json_error(status, message)` — error response as `{"error": "..."}`
-
-| Route | Method | Description |
-|-------|--------|-------------|
-| `/api/me` | GET | Current user (id, name, role) or 401 |
-
-**Swagger UI** is available at `/swagger/` when `FURU_SWAGGER_ENABLED=true`. The OpenAPI spec is auto-generated from handler types.
-
-To add a new API endpoint:
-1. Define request/response structs with `#[derive(Serialize, JsonSchema)]`
-2. Write an async handler, return `Json(response).into_response()`
-3. Add a `Route::with_api_handler_and_name(…, api_get(handler), …)` in `ApiApp::router()`
-4. The endpoint appears automatically in Swagger UI
-
-### Admin panel (`src/admin/`)
-
-Mounted at `/admin`. All routes (except `/admin/setup`) require `Role::Admin`.
-
-| Route | Purpose |
-|-------|---------|
-| `/admin/setup` | First-run: create initial admin (only works when zero users exist) |
-| `/admin/` | Dashboard |
-| `/admin/debug` | Build info, config values with sources, DB connectivity |
-| `/admin/settings` | OIDC config, auth toggles (saved to DB config table) |
-| `/admin/users` | User list |
-| `/admin/users/new` | Create user |
-| `/admin/users/{id}/edit` | Edit user |
-| `/admin/users/{id}/delete` | Delete user (POST) |
-
-## How to extend
-
-### 1. Add a config field
-
-See [Config system](#config-system-srcconfigrs) above — 6 locations to update.
-
-### 2. Add a database model
-
-1. Define a struct with `#[cot::db::model]` in a new or existing file
-2. Write a migration struct implementing `cot::db::migrations::Migration`
-3. Register the migration in the `AdminApp::migrations()` method in `src/admin/mod.rs`
-
-### 3. Add a page
-
-1. Create a template in `templates/`
-2. Write a handler function that returns `Html`
-3. Add a `Route::with_handler_and_name(…)` in the appropriate `router()` method
-4. If admin-only, wrap with `require_admin_or_redirect`
-
-### 4. Add a translation
-
-Add a line to the `translations!` macro in `src/i18n/phrases.rs`:
-
-```rust
-my_key: "English text", "Русский текст";
+```bash
+cargo fmt --all -- --check
+cargo clippy --all-targets -- -D warnings
+cargo test --all-targets
 ```
-
-Access it in handlers/templates as `i18n.t.my_key` (or `t.my_key` in templates).
-
-### 5. Add an API endpoint
-
-Same as adding a page, but return a JSON response instead of `Html`. The `json` feature is enabled in Cargo.toml.
-
-## Environment variables
-
-All prefixed with `FURU_`. Priority: env var > DB override > compiled default.
-
-| Variable | Description | Default |
-|----------|-------------|---------|
-| `FURU_DATABASE_URL` | PostgreSQL connection URL | *(empty — required)* |
-| `FURU_LOG_LEVEL` | Tracing filter (e.g. `info`, `debug`, `warn,furumusic=trace`) | `info` |
-| `FURU_AUTH_PASSWORD_ENABLED` | Enable password login | `true` |
-| `FURU_AUTH_SSO_ENABLED` | Enable SSO/OIDC login | `false` |
-| `FURU_OIDC_ISSUER` | OIDC issuer URL | *(empty)* |
-| `FURU_OIDC_CLIENT_ID` | OIDC client ID | *(empty)* |
-| `FURU_OIDC_CLIENT_SECRET` | OIDC client secret | *(empty)* |
-| `FURU_OIDC_BUTTON_TEXT` | SSO button label | `Sign in with SSO` |
-| `FURU_OIDC_ADMIN_GROUPS` | Comma-separated OIDC groups that grant admin | *(empty)* |
-| `FURU_OIDC_USER_GROUPS` | Comma-separated OIDC groups allowed to access the service. Empty means any authenticated SSO user is allowed. | *(empty)* |
-| `FURU_SWAGGER_ENABLED` | Serve Swagger UI at `/swagger/` | `false` |

flake.nix

@@ -28,7 +28,10 @@
 
           buildInputs = with pkgs; [
             cacert
+            deno
+            ffmpeg-headless
             openssl
+            yt-dlp
           ] ++ lib.optionals stdenv.isDarwin [ libiconv ];
 
           RUST_SRC_PATH = "${pkgs.rustPlatform.rustLibSrc}";

src/federation/capabilities.rs

@@ -69,6 +69,12 @@ mod tests {
             manifest.protocols.get(SIMILARITY_ID),
             Some(&music_dht::similarity::SIMILARITY_PROTOCOL_VERSION)
         );
+        assert_eq!(
+            manifest
+                .protocols
+                .get(music_dht::capabilities::SIMILARITY_DHT_ID),
+            Some(&music_dht::similarity_lsh::SIMILARITY_DHT_PROTOCOL_VERSION)
+        );
         manifest.validate().unwrap();
     }
 }

src/federation/client.rs

@@ -85,6 +85,8 @@ pub struct TrackDto {
     pub key: TrackKeyDto,
     pub metadata: TrackMetadataDto,
     pub availability: TrackAvailabilityDto,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub similarity_score: Option<f32>,
 }
 
 #[derive(Debug, Clone, Serialize)]
@@ -151,6 +153,7 @@ impl Federation {
                     local: None,
                     federation: vec![FederationSourceDto { owner, item_id }],
                 },
+                similarity_score: Some(track.similarity_score),
             };
             persist_track_ref(&pool, &dto).await?;
             prepared.push(dto);
@@ -491,6 +494,7 @@ fn track_from_item(
             local,
             federation: vec![FederationSourceDto { owner, item_id }],
         },
+        similarity_score: None,
     }
 }
 

src/federation/mod.rs

@@ -29,6 +29,8 @@ use std::time::Duration;
 
 use anyhow::{Context, Result};
 use music_dht::capabilities::CAPABILITIES_ALPN;
+use music_dht::similarity_dht::SimilarityDht;
+use music_dht::similarity_lsh::SIMILARITY_DHT_ALPN;
 use music_dht::{
     ByteStream, ByteStreamConnectionStats, ItemKind, ItemSpec, MusicDhtConfig, MusicDhtService,
     NetworkId, PeerTicket, PublishStats, RendezvousConfig, SyncStats,
@@ -49,6 +51,7 @@ const TRANSPORT_SAMPLE_LIMIT: usize = 16;
 
 struct Running {
     service: Arc<MusicDhtService>,
+    similarity_dht: Arc<SimilarityDht>,
     network_name: String,
     tasks: Vec<tokio::task::JoinHandle<()>>,
 }
@@ -210,6 +213,50 @@ impl TransportStats {
     }
 }
 
+async fn enrich_transport_users(pool: &PgPool, transport: &mut Value) {
+    let Some(samples) = transport.get_mut("last").and_then(Value::as_array_mut) else {
+        return;
+    };
+    let peer_ids: Vec<String> = samples
+        .iter()
+        .filter_map(|sample| sample.get("peer_id").and_then(Value::as_str))
+        .map(str::to_owned)
+        .collect();
+    if peer_ids.is_empty() {
+        return;
+    }
+    let Ok(rows) = sqlx::query(
+        "SELECT DISTINCT ON (d.endpoint_id)
+                d.endpoint_id,
+                COALESCE(NULLIF(u.display_name, ''), u.username::text) AS user_name
+         FROM furumusic__fed_device d
+         JOIN furumusic__user u ON u.id = d.user_id
+         WHERE d.endpoint_id = ANY($1) AND d.revoked_at_ms IS NULL
+         ORDER BY d.endpoint_id, d.last_seen_ms DESC NULLS LAST",
+    )
+    .bind(&peer_ids)
+    .fetch_all(pool)
+    .await
+    else {
+        return;
+    };
+    let users: HashMap<String, String> = rows
+        .into_iter()
+        .map(|row| (row.get("endpoint_id"), row.get("user_name")))
+        .collect();
+    for sample in samples {
+        let Some(peer_id) = sample.get("peer_id").and_then(Value::as_str) else {
+            continue;
+        };
+        let Some(user_name) = users.get(peer_id) else {
+            continue;
+        };
+        if let Some(object) = sample.as_object_mut() {
+            object.insert("user_name".to_owned(), Value::String(user_name.clone()));
+        }
+    }
+}
+
 pub fn record_stream_transport(
     stats: &Arc<TransportStats>,
     protocol: &'static str,
@@ -221,7 +268,8 @@ pub fn record_stream_transport(
 }
 
 pub struct Federation {
-    /// Transport data directory; server-side DHT state and identity live in PostgreSQL.
+    /// Transport files and replaceable similarity-routing cache. Durable
+    /// catalog DHT state and identity live in PostgreSQL.
     data_dir: PathBuf,
     database_url: std::sync::Mutex<String>,
     storage_dir: std::sync::Mutex<String>,
@@ -380,6 +428,9 @@ impl Federation {
         let dht_storage = Arc::new(PostgresFederationStorage::new(pool.clone()).await?);
         let secret_key = dht_storage.load_or_create_secret_key().await?;
         self.transport_stats.reset();
+        tokio::fs::create_dir_all(&self.data_dir)
+            .await
+            .with_context(|| format!("creating {}", self.data_dir.display()))?;
 
         let config = MusicDhtConfig::builder()
             .data_dir(&self.data_dir)
@@ -389,7 +440,8 @@ impl Federation {
             .stream_protocol(AUDIO_ALPN)
             .stream_protocol(CATALOG_ALPN)
             .stream_protocol(devices::SYNC_ALPN)
-            .stream_protocol(SIMILARITY_ALPN)
+            .schema_independent_stream_protocol(SIMILARITY_ALPN)
+            .schema_independent_stream_protocol(SIMILARITY_DHT_ALPN)
             .schema_independent_stream_protocol(CAPABILITIES_ALPN)
             .build()
             .map_err(|err| anyhow::anyhow!("invalid federation config: {err}"))?;
@@ -404,6 +456,25 @@ impl Federation {
             "federation started"
         );
 
+        let similarity_dht = SimilarityDht::open(
+            Arc::clone(&service),
+            self.data_dir.join("similarity-routing.sqlite3"),
+        )
+        .await
+        .map_err(|error| anyhow::anyhow!("failed to start the similarity DHT: {error}"))?;
+        let similarity_dht_acceptor = service
+            .stream_acceptor(SIMILARITY_DHT_ALPN)
+            .map_err(|error| anyhow::anyhow!("failed to take similarity DHT acceptor: {error}"))?;
+        let similarity_dht_serve_task =
+            tokio::spawn(Arc::clone(&similarity_dht).serve(similarity_dht_acceptor));
+        let similarity_dht_maintenance_task =
+            tokio::spawn(Arc::clone(&similarity_dht).maintenance());
+        let similarity_manager = crate::similarity::handle();
+        let similarity_dht_sync_task = tokio::spawn(similarity_route_sync_loop(
+            Arc::clone(&similarity_dht),
+            Arc::clone(&similarity_manager),
+        ));
+
         // Drain DHT events into the log; the channel is bounded.
         let event_task = tokio::spawn(async move {
             while let Some(event) = events.recv().await {
@@ -467,13 +538,14 @@ impl Federation {
             .map_err(|err| anyhow::anyhow!("failed to take the similarity acceptor: {err}"))?;
         let similarity_task = tokio::spawn(similarity::serve_peers(
             similarity_acceptor,
-            crate::similarity::handle(),
+            similarity_manager,
             service.endpoint_id(),
             Arc::clone(&self.transport_stats),
         ));
 
         *guard = Some(Running {
             service,
+            similarity_dht,
             network_name,
             tasks: vec![
                 event_task,
@@ -484,6 +556,9 @@ impl Federation {
                 device_sync_task,
                 capabilities_task,
                 similarity_task,
+                similarity_dht_serve_task,
+                similarity_dht_maintenance_task,
+                similarity_dht_sync_task,
             ],
         });
         self.set_error(None);
@@ -507,6 +582,20 @@ impl Federation {
             .context("federation is not running")
     }
 
+    async fn similarity_services(&self) -> Result<(Arc<MusicDhtService>, Arc<SimilarityDht>)> {
+        self.running
+            .lock()
+            .await
+            .as_ref()
+            .map(|running| {
+                (
+                    Arc::clone(&running.service),
+                    Arc::clone(&running.similarity_dht),
+                )
+            })
+            .context("federation is not running")
+    }
+
     async fn spawn_sync_soon(self: &Arc<Self>) {
         if let Ok(service) = self.service().await {
             let fed = Arc::clone(self);
@@ -804,14 +893,19 @@ impl Federation {
                     .iter()
                     .map(|p| p.to_string())
                     .collect();
+                let mut transport = self.transport_stats.snapshot();
+                if let Ok(pool) = self.pool().await {
+                    enrich_transport_users(&pool, &mut transport).await;
+                }
                 json!({
                     "running": true,
                     "network": running.network_name,
                     "endpoint_id": service.endpoint_id().to_string(),
                     "connected_peers": peers,
                     "known_contacts": service.known_peers().len(),
+                    "similarity_routing_peers": running.similarity_dht.known_peers(),
                     "published_items": published,
-                    "transport": self.transport_stats.snapshot(),
+                    "transport": transport,
                 })
             }
             None => json!({ "running": false }),
@@ -849,13 +943,20 @@ impl Federation {
         &self,
         query: crate::similarity::QueryVector,
         limit: usize,
-    ) -> Result<Vec<similarity::RemoteSimilarityTrack>> {
+    ) -> Result<similarity::SimilaritySearchOutcome> {
         anyhow::ensure!(
             crate::similarity::handle().enabled(),
             "similarity search is disabled"
         );
-        let service = self.service().await?;
-        similarity::search(service, query, limit, Arc::clone(&self.transport_stats)).await
+        let (service, similarity_dht) = self.similarity_services().await?;
+        similarity::search(
+            service,
+            similarity_dht,
+            query,
+            limit,
+            Arc::clone(&self.transport_stats),
+        )
+        .await
     }
 
     pub async fn fed_device_status(
@@ -983,6 +1084,65 @@ impl Federation {
     }
 }
 
+async fn similarity_route_sync_loop(
+    routing: Arc<SimilarityDht>,
+    manager: Arc<crate::similarity::Manager>,
+) {
+    let mut interval = tokio::time::interval(SYNC_INTERVAL);
+    interval.set_missed_tick_behavior(tokio::time::MissedTickBehavior::Skip);
+    let mut published_marker: Option<(String, blake3::Hash)> = None;
+    loop {
+        interval.tick().await;
+        if !manager.enabled() {
+            if published_marker.take().is_some() {
+                routing.clear_local_signatures();
+                tracing::info!("local similarity DHT publication disabled");
+            }
+            continue;
+        }
+        let status = manager.status();
+        let Some(profile_id) = status.active_profile else {
+            continue;
+        };
+        if status.phase != crate::similarity::Phase::Ready {
+            continue;
+        }
+        let signatures = match manager.routing_signatures(&profile_id).await {
+            Ok(signatures) => signatures,
+            Err(error) => {
+                tracing::warn!(%error, %profile_id, "similarity routing signatures unavailable");
+                continue;
+            }
+        };
+        let mut hasher = blake3::Hasher::new();
+        for signature in &signatures {
+            hasher.update(signature);
+        }
+        let marker = (profile_id.clone(), hasher.finalize());
+        if published_marker.as_ref() == Some(&marker) {
+            continue;
+        }
+        match routing
+            .sync_local_signatures(profile_id.clone(), signatures)
+            .await
+        {
+            Ok(stats) => {
+                tracing::info!(
+                    profile = %profile_id,
+                    records = stats.records,
+                    keys = stats.keys,
+                    remote_nodes = stats.remote_nodes,
+                    "local similarity DHT index synchronized"
+                );
+                published_marker = Some(marker);
+            }
+            Err(error) => {
+                tracing::warn!(%error, %profile_id, "similarity DHT synchronization failed");
+            }
+        }
+    }
+}
+
 async fn persist_content_id(
     pool: &PgPool,
     media_file_id: i64,

src/federation/similarity.rs

@@ -7,7 +7,10 @@ use std::time::Duration;
 use anyhow::{Context as _, Result};
 use futures_util::stream::{self, StreamExt as _};
 use music_dht::similarity::{self as wire, SimilarityHit, SimilarityRequest, SimilarityResponse};
-use music_dht::{ByteStream, EndpointId, ItemId, ItemKind, MusicDhtService, StreamAcceptor};
+use music_dht::similarity_dht::SimilarityDht;
+use music_dht::{
+    ByteStream, EndpointId, ItemId, ItemKind, MusicDhtService, PeerTicket, StreamAcceptor,
+};
 
 use crate::similarity::{Manager, QueryVector};
 
@@ -15,9 +18,11 @@ use super::TransportStats;
 
 pub use music_dht::similarity::SIMILARITY_ALPN;
 
-const MAX_QUERY_PEERS: usize = 16;
-const QUERY_CONCURRENCY: usize = 6;
+const INITIAL_QUERY_PEERS: usize = 16;
+const MAX_QUERY_PEERS: usize = 48;
+const QUERY_CONCURRENCY: usize = 8;
 const QUERY_TIMEOUT: Duration = Duration::from_secs(5);
+const ROUTING_TIMEOUT: Duration = Duration::from_secs(5);
 const MAX_PER_ARTIST: usize = 3;
 const MAX_NEAR_DUPLICATE_SIGNATURE_DISTANCE: u32 = 8;
 
@@ -34,6 +39,12 @@ pub struct RemoteSimilarityTrack {
     pub release_title: Option<String>,
     pub track_number: Option<i32>,
     pub disc_number: Option<i32>,
+    pub similarity_score: f32,
+}
+
+pub struct SimilaritySearchOutcome {
+    pub tracks: Vec<RemoteSimilarityTrack>,
+    pub queried_peers: usize,
 }
 
 pub async fn serve_peers(
@@ -142,20 +153,49 @@ async fn serve_one(
 
 pub async fn search(
     service: Arc<MusicDhtService>,
+    routing: Arc<SimilarityDht>,
     query: QueryVector,
     limit: usize,
     transport: Arc<TransportStats>,
-) -> Result<Vec<RemoteSimilarityTrack>> {
+) -> Result<SimilaritySearchOutcome> {
     let own = service.endpoint_id();
-    let mut peers = Vec::new();
+    let routed = match tokio::time::timeout(
+        ROUTING_TIMEOUT,
+        routing.find_peers(&query.profile_id, &query.vector, MAX_QUERY_PEERS),
+    )
+    .await
+    {
+        Ok(Ok(peers)) => peers,
+        Err(_) => {
+            tracing::debug!("similarity DHT lookup timed out; using known peers");
+            Vec::new()
+        }
+        Ok(Err(error)) => {
+            tracing::debug!(%error, "similarity DHT lookup unavailable; using known peers");
+            Vec::new()
+        }
+    };
     let mut seen = HashSet::new();
+    let mut peers: Vec<QueryPeer> = routed
+        .into_iter()
+        .filter_map(|ticket| {
+            let owner = ticket.endpoint_id();
+            (owner != own && seen.insert(owner)).then_some(QueryPeer {
+                owner,
+                ticket: Some(ticket),
+            })
+        })
+        .collect();
     for peer in service
         .connected_peers()
         .into_iter()
         .chain(service.known_peers().into_iter().map(|peer| peer.peer_id))
     {
         if peer != own && seen.insert(peer) {
-            peers.push(peer);
+            peers.push(QueryPeer {
+                owner: peer,
+                ticket: None,
+            });
         }
         if peers.len() >= MAX_QUERY_PEERS {
             break;
@@ -168,30 +208,42 @@ pub async fn search(
         limit.clamp(1, wire::MAX_SIMILARITY_RESULTS),
     )?);
 
-    let responses = stream::iter(peers.into_iter().map(|peer| {
-        let service = Arc::clone(&service);
-        let request = Arc::clone(&request);
-        let transport = Arc::clone(&transport);
-        async move {
-            tokio::time::timeout(
-                QUERY_TIMEOUT,
-                query_peer(service, peer, &request, transport),
-            )
-            .await
-            .map_err(|_| anyhow::anyhow!("similarity peer timed out"))?
-        }
-    }))
-    .buffer_unordered(QUERY_CONCURRENCY)
-    .collect::<Vec<_>>()
-    .await;
-
     let mut hits = Vec::new();
+    let initial = peers.len().min(INITIAL_QUERY_PEERS);
+    let mut queried_peers = initial;
+    let responses = query_peers(
+        Arc::clone(&service),
+        &peers[..initial],
+        Arc::clone(&request),
+        Arc::clone(&transport),
+    )
+    .await;
+    let mut successful = 0usize;
     for response in responses {
         match response {
-            Ok(peer_hits) => hits.extend(peer_hits),
+            Ok(peer_hits) => {
+                successful += 1;
+                hits.extend(peer_hits);
+            }
             Err(error) => tracing::debug!(%error, "similarity peer query skipped"),
         }
     }
+    if initial < peers.len() && (hits.len() < limit || successful < initial.min(4)) {
+        queried_peers += peers.len() - initial;
+        for response in query_peers(
+            Arc::clone(&service),
+            &peers[initial..],
+            Arc::clone(&request),
+            Arc::clone(&transport),
+        )
+        .await
+        {
+            match response {
+                Ok(peer_hits) => hits.extend(peer_hits),
+                Err(error) => tracing::debug!(%error, "fallback similarity peer query skipped"),
+            }
+        }
+    }
     hits.sort_by(|left, right| right.1.total_cmp(&left.1));
     let mut dedup = HashSet::new();
     let mut signatures = vec![query_signature];
@@ -238,25 +290,60 @@ pub async fn search(
             break;
         }
     }
-    Ok(tracks)
+    Ok(SimilaritySearchOutcome {
+        tracks,
+        queried_peers,
+    })
+}
+
+type PeerHits = Vec<(
+    RemoteSimilarityTrack,
+    f32,
+    Option<[u8; wire::SIMILARITY_SIGNATURE_BYTES]>,
+)>;
+
+#[derive(Clone)]
+struct QueryPeer {
+    owner: EndpointId,
+    ticket: Option<PeerTicket>,
+}
+
+async fn query_peers(
+    service: Arc<MusicDhtService>,
+    peers: &[QueryPeer],
+    request: Arc<SimilarityRequest>,
+    transport: Arc<TransportStats>,
+) -> Vec<Result<PeerHits>> {
+    stream::iter(peers.iter().cloned().map(|peer| {
+        let service = Arc::clone(&service);
+        let request = Arc::clone(&request);
+        let transport = Arc::clone(&transport);
+        async move {
+            tokio::time::timeout(
+                QUERY_TIMEOUT,
+                query_peer(service, peer, &request, transport),
+            )
+            .await
+            .map_err(|_| anyhow::anyhow!("similarity peer timed out"))?
+        }
+    }))
+    .buffer_unordered(QUERY_CONCURRENCY)
+    .collect()
+    .await
 }
 
 async fn query_peer(
     service: Arc<MusicDhtService>,
-    owner: EndpointId,
+    peer: QueryPeer,
     request: &SimilarityRequest,
     transport: Arc<TransportStats>,
-) -> Result<
-    Vec<(
-        RemoteSimilarityTrack,
-        f32,
-        Option<[u8; wire::SIMILARITY_SIGNATURE_BYTES]>,
-    )>,
-> {
-    let mut stream = service
-        .open_stream(owner, SIMILARITY_ALPN)
-        .await
-        .map_err(|error| anyhow::anyhow!("cannot reach similarity peer: {error}"))?;
+) -> Result<PeerHits> {
+    let owner = peer.owner;
+    let mut stream = match peer.ticket {
+        Some(ticket) => service.open_stream_to(&ticket, SIMILARITY_ALPN).await,
+        None => service.open_stream(owner, SIMILARITY_ALPN).await,
+    }
+    .map_err(|error| anyhow::anyhow!("cannot reach similarity peer: {error}"))?;
     super::record_stream_transport(&transport, "similarity", "outbound", "open", &stream);
     let response = wire::exchange(&mut stream, request).await?;
     super::record_stream_transport(&transport, "similarity", "outbound", "done", &stream);
@@ -284,6 +371,7 @@ async fn query_peer(
                     release_title: hit.release_title,
                     track_number: hit.track_number,
                     disc_number: hit.disc_number,
+                    similarity_score: score,
                 },
                 score,
                 signature,

src/i18n/phrases.rs

@@ -96,9 +96,9 @@ translations! {
     settings_swagger:         "Swagger UI"                    , "Swagger UI";
     settings_swagger_help:    "Serves interactive API docs at /swagger/ (requires restart)" , "Интерактивная документация API на /swagger/ (требуется перезапуск)";
     settings_lastfm_api_key:  "Last.fm API key"               , "API ключ Last.fm";
-    settings_lastfm_api_key_help: "Used for Last.fm popularity and account connection" , "Используется для популярности Last.fm и подключения аккаунта";
+    settings_lastfm_api_key_help: "Identifies this application to Last.fm and enables metadata, popularity data, and user account connection" , "Идентифицирует приложение в Last.fm и включает метаданные, данные о популярности и подключение аккаунтов";
     settings_lastfm_shared_secret: "Last.fm shared secret"    , "Shared secret Last.fm";
-    settings_lastfm_shared_secret_help: "Required for signed Last.fm scrobbling requests" , "Нужен для подписанных запросов скробблинга Last.fm";
+    settings_lastfm_shared_secret_help: "Authenticates signed Last.fm requests, including scrobbling. Keep this value private" , "Подтверждает подписанные запросы Last.fm, включая скробблинг. Не раскрывайте это значение";
 
     // OIDC login errors
     login_oidc_error:         "SSO login failed. Please try again." , "Ошибка входа через SSO. Попробуйте ещё раз.";
@@ -389,9 +389,54 @@ translations! {
     player_live_releases:    "Live releases"                   , "Концертные релизы";
     player_soundtracks:      "Soundtracks"                     , "Саундтреки";
 
-    // Player torrent/history UI
-    player_torrent_manager:  "Torrent manager"                 , "Торрент-менеджер";
-    player_import_torrent:   "Import torrent"                  , "Импортировать торрент";
+    // Player download/history UI
+    player_torrent_manager:  "Download Manager"                , "Менеджер загрузок";
+    player_import_torrent:   "Open Download Manager"           , "Открыть менеджер загрузок";
+    player_youtube:          "YouTube"                         , "YouTube";
+    player_torrents:         "Torrents"                        , "Торренты";
+    player_files:            "Files"                           , "Файлы";
+    player_youtube_url:      "Public video or playlist URL"    , "Ссылка на открытое видео или плейлист";
+    player_youtube_url_hint: "Public youtube.com, music.youtube.com and youtu.be links are supported. Each video is imported as one AI batch." , "Поддерживаются открытые ссылки youtube.com, music.youtube.com и youtu.be. Каждое видео импортируется одним ИИ-батчем.";
+    player_youtube_downloads: "YouTube downloads"              , "Загрузки YouTube";
+    player_no_youtube_downloads: "No YouTube downloads yet"    , "Загрузок YouTube пока нет";
+    player_youtube_parse:     "Check link"                     , "Проверить ссылку";
+    player_youtube_parsing:   "Reading YouTube link..."        , "Читаю ссылку YouTube...";
+    player_youtube_preview_failed: "Could not read YouTube link" , "Не удалось прочитать ссылку YouTube";
+    player_youtube_preview_title: "Choose videos to import"     , "Выберите видео для импорта";
+    player_youtube_select_all: "Select all"                    , "Отметить все";
+    player_youtube_clear_selection: "Clear selection"           , "Снять все";
+    player_youtube_selected_count: "selected"                  , "выбрано";
+    player_youtube_start_import: "Start import"                , "Начать импорт";
+    player_start_download:   "Start download"                  , "Начать загрузку";
+    player_retry_failed:     "Retry failed"                    , "Повторить ошибки";
+    player_download_steps:   "Processing steps"                , "Этапы обработки";
+    player_chapters:         "chapters"                        , "глав";
+    player_youtube_video:    "video"                           , "видео";
+    player_youtube_playlist: "playlist"                        , "плейлист";
+    player_youtube_items:    "videos"                          , "видео";
+    player_youtube_errors:   "errors"                          , "ошибок";
+    player_youtube_queued:   "Queued"                          , "В очереди";
+    player_youtube_resolving: "Reading link"                   , "Чтение ссылки";
+    player_youtube_postprocessing: "FFmpeg processing"         , "Обработка FFmpeg";
+    player_youtube_awaiting_ai: "Waiting for AI"               , "Ожидание ИИ";
+    player_youtube_ai_processing: "AI processing"              , "Обработка ИИ";
+    player_youtube_needs_review: "Needs review"                , "Требует проверки";
+    player_youtube_complete_with_errors: "Completed with errors" , "Завершено с ошибками";
+    player_youtube_skipped:  "Already imported"                , "Уже импортировано";
+    player_youtube_cancelled: "Stopped"                         , "Остановлено";
+    player_youtube_stop:     "Stop import"                     , "Остановить импорт";
+    player_youtube_stop_confirm: "Stop this YouTube import? Completed and already published audio will remain." , "Остановить этот импорт из YouTube? Готовое и уже переданное на обработку аудио останется.";
+    player_youtube_stopping: "Stopping YouTube import..."      , "Останавливаю импорт из YouTube...";
+    player_youtube_stopped:  "YouTube import stopped."         , "Импорт из YouTube остановлен.";
+    player_youtube_stop_failed: "Could not stop YouTube import" , "Не удалось остановить импорт из YouTube";
+    player_youtube_starting: "Adding YouTube download..."      , "Добавляю загрузку YouTube...";
+    player_youtube_started:  "YouTube download added."         , "Загрузка YouTube добавлена.";
+    player_youtube_load_failed: "Could not load YouTube downloads" , "Не удалось загрузить список YouTube";
+    player_youtube_start_failed: "Could not start YouTube download" , "Не удалось начать загрузку YouTube";
+    player_youtube_retry_failed: "Could not retry YouTube download" , "Не удалось повторить загрузку YouTube";
+    player_youtube_delete_failed: "Could not remove YouTube download" , "Не удалось удалить загрузку YouTube";
+    player_youtube_delete_confirm: "Remove this YouTube download from history? Imported audio will remain." , "Удалить эту загрузку YouTube из истории? Импортированное аудио останется.";
+    player_remove_from_history: "Remove from history"          , "Удалить из истории";
     player_client_idle:      "Client idle"                     , "Клиент простаивает";
     player_active:           "active"                          , "активно";
     player_ai_idle:          "AI idle"                         , "ИИ простаивает";
@@ -467,11 +512,24 @@ translations! {
     player_track_approved_imported: "Track approved and imported" , "Трек подтверждён и импортирован";
     player_failed_update_selected_tracks: "Failed to update selected tracks" , "Не удалось обновить выбранные треки";
     player_selected_tracks_updated: "Selected tracks updated"   , "Выбранные треки обновлены";
-    player_choose_saved_or_add_torrent: "Choose a saved item or upload new files." , "Выберите сохранённый элемент или загрузите новые файлы.";
+    player_choose_saved_or_add_torrent: "Choose a saved torrent or add a new one." , "Выберите сохранённый торрент или добавьте новый.";
     player_local_files:      "Local audio files"               , "Локальные аудиофайлы";
+    player_file_uploads:     "File uploads"                    , "Загрузки файлов";
+    player_drop_audio_title: "Drop audio files here"           , "Перетащите аудиофайлы сюда";
+    player_drop_audio_hint:  "or click to choose files"        , "или нажмите, чтобы выбрать файлы";
+    player_drop_audio_formats: "MP3, FLAC, WAV, M4A, OGG, Opus and AAC" , "MP3, FLAC, WAV, M4A, OGG, Opus и AAC";
+    player_upload_selected_files: "Upload selected files"      , "Загрузить выбранные файлы";
+    player_upload_history:   "Upload history"                  , "История загрузок";
+    player_no_file_uploads:  "No file uploads yet"             , "Загрузок файлов пока нет";
+    player_file_upload_load_failed: "Could not load file upload history" , "Не удалось загрузить историю файлов";
+    player_remove_file_upload_confirm: "Remove this file upload from history? Imported audio will remain." , "Удалить эту загрузку файла из истории? Импортированное аудио останется.";
+    player_file_upload_history_removed: "File upload removed from history." , "Загрузка файла удалена из истории.";
+    player_file_upload_history_remove_failed: "Could not remove file upload from history" , "Не удалось удалить загрузку файла из истории";
+    player_no_supported_audio_files: "Choose at least one supported audio file." , "Выберите хотя бы один поддерживаемый аудиофайл.";
     player_torrent_file:     "Torrent file"                    , "Torrent-файл";
     player_magnet_link:      "Magnet link"                     , "Magnet-ссылка";
-    player_upload_content:   "Upload"                          , "Загрузить";
+    player_upload_content:   "Preview torrent"                 , "Проверить торрент";
+    player_add_torrent:      "Add torrent"                     , "Добавить торрент";
     player_download_selected: "Download selected"              , "Скачать выбранное";
     player_pause_download:   "Pause download"                  , "Поставить на паузу";
     player_expand_all:       "Expand all"                      , "Развернуть всё";
@@ -501,7 +559,7 @@ translations! {
     player_no_plays_yet:     "No plays yet"                    , "Прослушиваний пока нет";
     player_page:             "Page"                            , "Страница";
     player_of:               "of"                              , "из";
-    player_choose_torrent:   "Choose local files, paste a magnet link, or choose a .torrent file." , "Выберите локальные файлы, вставьте magnet-ссылку или выберите .torrent файл.";
+    player_choose_torrent:   "Paste a magnet link or choose a .torrent file." , "Вставьте magnet-ссылку или выберите .torrent файл.";
     player_uploading_files:  "Uploading files..."              , "Загружаю файлы...";
     player_upload_complete:  "Upload complete. Files are queued for processing." , "Загрузка завершена. Файлы поставлены в обработку.";
     player_upload_failed:    "Upload failed"                   , "Загрузка не удалась";
@@ -511,8 +569,8 @@ translations! {
     player_all_files_selected: "All files are selected by default. Clear or adjust the tree before download." , "Все файлы выбраны по умолчанию. Перед скачиванием можно очистить или изменить выбор.";
     player_opening_saved_torrent: "Opening saved torrent..."   , "Открываю сохранённый торрент...";
     player_saved_torrent_opened: "Saved torrent opened. Adjust files or resume download." , "Сохранённый торрент открыт. Можно изменить файлы или продолжить скачивание.";
-    player_remove_torrent_confirm: "Remove this torrent from the client list? Downloaded files will stay on disk." , "Удалить этот торрент из списка клиента? Скачанные файлы останутся на диске.";
-    player_torrent_removed:  "Torrent removed from the client list." , "Торрент удалён из списка клиента.";
+    player_remove_torrent_confirm: "Remove this torrent from history? Downloaded files will stay on disk." , "Удалить этот торрент из истории? Скачанные файлы останутся на диске.";
+    player_torrent_removed:  "Torrent removed from history."   , "Торрент удалён из истории.";
     player_select_one_file:  "Select at least one file."       , "Выберите хотя бы один файл.";
     player_starting_download: "Starting download..."           , "Запускаю скачивание...";
     player_download_started: "Download started. Files will move to inbox when complete." , "Скачивание началось. После завершения файлы будут перенесены во входящие.";
@@ -523,6 +581,6 @@ translations! {
     player_pause_failed:     "Pause failed"                    , "Не удалось поставить на паузу";
     player_load_torrents_failed: "Could not load torrents"     , "Не удалось загрузить торренты";
     player_open_torrent_failed: "Could not open torrent"       , "Не удалось открыть торрент";
-    player_delete_torrent_failed: "Could not delete torrent"   , "Не удалось удалить торрент";
+    player_delete_torrent_failed: "Could not remove torrent from history" , "Не удалось удалить торрент из истории";
     player_load_ai_queue_failed: "Could not load AI queue"     , "Не удалось загрузить очередь ИИ";
 }

src/local_uploads.rs

@@ -0,0 +1,259 @@
+use std::collections::HashMap;
+
+use anyhow::{Context, bail};
+use serde::Serialize;
+use sqlx::{FromRow, PgPool};
+
+const LOCAL_UPLOAD_LIST_LIMIT: i64 = 100;
+
+#[derive(Debug, Clone, Serialize)]
+pub struct LocalUploadDto {
+    pub id: String,
+    pub filename: String,
+    pub size_bytes: u64,
+    pub status: String,
+    pub error: Option<String>,
+    pub created_at: String,
+    pub updated_at: String,
+    pub completed_at: Option<String>,
+}
+
+#[derive(Debug, Clone, FromRow)]
+struct LocalUploadRow {
+    id: String,
+    user_id: i64,
+    filename: String,
+    size_bytes: i64,
+    status: String,
+    inbox_path: String,
+    error: Option<String>,
+    created_at: String,
+    updated_at: String,
+    completed_at: Option<String>,
+}
+
+impl LocalUploadRow {
+    fn dto(&self) -> LocalUploadDto {
+        LocalUploadDto {
+            id: self.id.clone(),
+            filename: self.filename.clone(),
+            size_bytes: u64::try_from(self.size_bytes).unwrap_or(0),
+            status: self.status.clone(),
+            error: self.error.clone(),
+            created_at: self.created_at.clone(),
+            updated_at: self.updated_at.clone(),
+            completed_at: self.completed_at.clone(),
+        }
+    }
+}
+
+pub async fn create(
+    pool: &PgPool,
+    id: &str,
+    user_id: i64,
+    filename: &str,
+    size_bytes: u64,
+    inbox_path: &str,
+) -> anyhow::Result<()> {
+    let now = now_string();
+    sqlx::query(
+        r#"INSERT INTO furumusic__local_upload
+              (id, user_id, filename, size_bytes, status, inbox_path, error,
+               created_at, updated_at, completed_at)
+           VALUES ($1, $2, $3, $4, 'uploading', $5, NULL, $6, $6, NULL)"#,
+    )
+    .bind(id)
+    .bind(user_id)
+    .bind(filename)
+    .bind(i64::try_from(size_bytes).unwrap_or(i64::MAX))
+    .bind(inbox_path)
+    .bind(now)
+    .execute(pool)
+    .await?;
+    Ok(())
+}
+
+pub async fn mark_queued(pool: &PgPool, id: &str, user_id: i64) -> anyhow::Result<LocalUploadDto> {
+    update_status(pool, id, user_id, "queued", None).await?;
+    load(pool, user_id, id).await.map(|row| row.dto())
+}
+
+pub async fn mark_failed(pool: &PgPool, id: &str, user_id: i64, error: &str) -> anyhow::Result<()> {
+    update_status(pool, id, user_id, "failed", Some(error)).await
+}
+
+pub async fn list(
+    pool: &PgPool,
+    user_id: i64,
+    inbox_dir: &str,
+) -> anyhow::Result<Vec<LocalUploadDto>> {
+    sync_statuses(pool, user_id, inbox_dir).await?;
+    let rows: Vec<LocalUploadRow> = sqlx::query_as(
+        r#"SELECT id, user_id, filename, size_bytes, status, inbox_path, error,
+                  created_at, updated_at, completed_at
+           FROM furumusic__local_upload
+           WHERE user_id = $1
+           ORDER BY created_at DESC, id DESC
+           LIMIT $2"#,
+    )
+    .bind(user_id)
+    .bind(LOCAL_UPLOAD_LIST_LIMIT)
+    .fetch_all(pool)
+    .await?;
+    Ok(rows.iter().map(LocalUploadRow::dto).collect())
+}
+
+pub async fn remove(pool: &PgPool, user_id: i64, id: &str) -> anyhow::Result<()> {
+    let result = sqlx::query("DELETE FROM furumusic__local_upload WHERE id = $1 AND user_id = $2")
+        .bind(id)
+        .bind(user_id)
+        .execute(pool)
+        .await?;
+    if result.rows_affected() == 0 {
+        bail!("file upload history entry not found");
+    }
+    Ok(())
+}
+
+async fn sync_statuses(pool: &PgPool, user_id: i64, inbox_dir: &str) -> anyhow::Result<()> {
+    let inbox_dir = inbox_dir.trim();
+    if inbox_dir.is_empty() {
+        bail!("agent_inbox_dir is not configured");
+    }
+    let inbox_root = crate::media_paths::resolve_config_path_buf(inbox_dir);
+    if !inbox_root.is_absolute() {
+        bail!("agent_inbox_dir must be an absolute path");
+    }
+
+    let rows: Vec<LocalUploadRow> = sqlx::query_as(
+        r#"SELECT id, user_id, filename, size_bytes, status, inbox_path, error,
+                  created_at, updated_at, completed_at
+           FROM furumusic__local_upload
+           WHERE user_id = $1 AND status <> 'complete'"#,
+    )
+    .bind(user_id)
+    .fetch_all(pool)
+    .await?;
+    if rows.is_empty() {
+        return Ok(());
+    }
+
+    let inbox_paths: Vec<String> = rows.iter().map(|row| row.inbox_path.clone()).collect();
+    let state_rows: Vec<(String, String, i64)> = sqlx::query_as(
+        r#"SELECT input_path, status::text, COUNT(*)
+           FROM furumusic__pending_review
+           WHERE input_path = ANY($1)
+           GROUP BY input_path, status"#,
+    )
+    .bind(&inbox_paths)
+    .fetch_all(pool)
+    .await?;
+    let mut states_by_path: HashMap<String, HashMap<String, i64>> = HashMap::new();
+    for (input_path, status, total) in state_rows {
+        states_by_path
+            .entry(input_path)
+            .or_default()
+            .insert(status, total);
+    }
+    let error_rows: Vec<(String, String)> = sqlx::query_as(
+        r#"SELECT DISTINCT ON (input_path) input_path, error_message
+           FROM furumusic__pending_review
+           WHERE input_path = ANY($1) AND status = 'failed'
+             AND error_message IS NOT NULL
+           ORDER BY input_path, id DESC"#,
+    )
+    .bind(&inbox_paths)
+    .fetch_all(pool)
+    .await?;
+    let errors_by_path: HashMap<String, String> = error_rows.into_iter().collect();
+
+    for row in rows {
+        let counts = states_by_path
+            .get(&row.inbox_path)
+            .cloned()
+            .unwrap_or_default();
+        let total: i64 = counts.values().sum();
+
+        let mut terminal_error = None;
+        let next = if total == 0 {
+            if matches!(row.status.as_str(), "uploading" | "failed" | "needs_review") {
+                continue;
+            }
+            let full_path = crate::media_paths::resolve_path_from_root(inbox_dir, &row.inbox_path);
+            if tokio::fs::try_exists(full_path).await.unwrap_or(false) {
+                "queued"
+            } else {
+                "complete"
+            }
+        } else if count(&counts, "processing") > 0 {
+            "ai_processing"
+        } else if count(&counts, "queued") > 0 {
+            "queued"
+        } else if count(&counts, "failed") > 0 {
+            terminal_error = errors_by_path.get(&row.inbox_path).cloned();
+            "failed"
+        } else if count(&counts, "pending") > 0 || count(&counts, "rejected") > 0 {
+            "needs_review"
+        } else if count(&counts, "approved") > 0 || count(&counts, "auto_approved") > 0 {
+            "complete"
+        } else {
+            "queued"
+        };
+
+        if row.status != next || row.error != terminal_error {
+            update_status(pool, &row.id, row.user_id, next, terminal_error.as_deref()).await?;
+        }
+    }
+    Ok(())
+}
+
+async fn update_status(
+    pool: &PgPool,
+    id: &str,
+    user_id: i64,
+    status: &str,
+    error: Option<&str>,
+) -> anyhow::Result<()> {
+    let now = now_string();
+    let completed_at =
+        matches!(status, "complete" | "failed" | "needs_review").then(|| now.clone());
+    sqlx::query(
+        r#"UPDATE furumusic__local_upload
+           SET status = $3, error = $4, updated_at = $5, completed_at = $6
+           WHERE id = $1 AND user_id = $2"#,
+    )
+    .bind(id)
+    .bind(user_id)
+    .bind(status)
+    .bind(error.map(trim_error))
+    .bind(&now)
+    .bind(completed_at)
+    .execute(pool)
+    .await?;
+    Ok(())
+}
+
+async fn load(pool: &PgPool, user_id: i64, id: &str) -> anyhow::Result<LocalUploadRow> {
+    sqlx::query_as(
+        r#"SELECT id, user_id, filename, size_bytes, status, inbox_path, error,
+                  created_at, updated_at, completed_at
+           FROM furumusic__local_upload WHERE id = $1 AND user_id = $2"#,
+    )
+    .bind(id)
+    .bind(user_id)
+    .fetch_optional(pool)
+    .await?
+    .context("file upload history entry not found")
+}
+
+fn count(counts: &HashMap<String, i64>, status: &str) -> i64 {
+    counts.get(status).copied().unwrap_or(0)
+}
+
+fn trim_error(value: &str) -> String {
+    value.chars().take(4_000).collect()
+}
+
+fn now_string() -> String {
+    chrono::Utc::now().format("%Y-%m-%dT%H:%M:%SZ").to_string()
+}

src/main.rs

@@ -7,6 +7,7 @@ mod federation;
 mod i18n;
 mod jobs;
 mod lastfm;
+mod local_uploads;
 mod media_paths;
 mod metrics;
 mod music;
@@ -16,6 +17,7 @@ mod scheduler;
 mod similarity;
 mod torrents;
 mod user;
+mod youtube;
 
 use std::sync::Arc;
 

src/metrics.rs

@@ -884,10 +884,18 @@ const KNOWN_HTTP_ROUTES: &[&str] = &[
     "/api/player/lastfm/scrobble",
     "/api/player/agent-queue",
     "/api/player/offline/manifest",
+    "/api/player/youtube",
+    "/api/player/youtube/preview",
+    "/api/player/youtube/start",
+    "/api/player/youtube/{id}/retry",
+    "/api/player/youtube/{id}/cancel",
+    "/api/player/youtube/{id}",
+    "/api/player/uploads/local",
+    "/api/player/uploads/local/history",
+    "/api/player/uploads/local/history/{id}",
     "/api/player/torrents",
     "/api/player/torrents/session/{id}",
     "/api/player/torrents/preview",
-    "/api/player/uploads/local",
     "/api/player/uploads/tracks",
     "/api/player/uploads/tracks/{track_id}",
     "/api/player/uploads/bulk-tracks",
@@ -951,6 +959,22 @@ mod tests {
             known_http_route("/share/release/42"),
             Some("/share/release/{id}")
         );
+        assert_eq!(
+            known_http_route("/api/player/youtube/start"),
+            Some("/api/player/youtube/start")
+        );
+        assert_eq!(
+            known_http_route("/api/player/youtube/job-42/retry"),
+            Some("/api/player/youtube/{id}/retry")
+        );
+        assert_eq!(
+            known_http_route("/api/player/youtube/job-42/cancel"),
+            Some("/api/player/youtube/{id}/cancel")
+        );
+        assert_eq!(
+            known_http_route("/api/player/uploads/local/history/upload-42"),
+            Some("/api/player/uploads/local/history/{id}")
+        );
     }
 
     #[test]

src/music/mod.rs

@@ -2541,6 +2541,180 @@ pub mod db_migrations {
             &[Operation::custom(create_similarity_embeddings).build()];
     }
 
+    #[cot::db::migrations::migration_op]
+    async fn add_similarity_routing_signature(
+        ctx: migrations::MigrationContext<'_>,
+    ) -> cot::db::Result<()> {
+        ctx.db
+            .raw(
+                "ALTER TABLE furumusic__track_embedding
+                 ADD COLUMN IF NOT EXISTS routing_signature BYTEA",
+            )
+            .await?;
+        Ok(())
+    }
+
+    #[derive(Debug, Copy, Clone)]
+    pub struct M0044AddSimilarityRoutingSignature;
+
+    impl migrations::Migration for M0044AddSimilarityRoutingSignature {
+        const APP_NAME: &'static str = "furumusic";
+        const MIGRATION_NAME: &'static str = "m_0044_add_similarity_routing_signature";
+        const DEPENDENCIES: &'static [migrations::MigrationDependency] =
+            &[migrations::MigrationDependency::migration(
+                "furumusic",
+                "m_0043_create_similarity_embeddings",
+            )];
+        const OPERATIONS: &'static [Operation] =
+            &[Operation::custom(add_similarity_routing_signature).build()];
+    }
+
+    // -- M0045: persistent YouTube download jobs ----------------------------
+
+    #[cot::db::migrations::migration_op]
+    async fn create_youtube_downloads(
+        ctx: migrations::MigrationContext<'_>,
+    ) -> cot::db::Result<()> {
+        ctx.db
+            .raw(
+                "CREATE TABLE IF NOT EXISTS furumusic__youtube_download (
+                    id VARCHAR(36) PRIMARY KEY,
+                    user_id BIGINT NOT NULL,
+                    source_url TEXT NOT NULL,
+                    title TEXT NOT NULL,
+                    source_kind VARCHAR(32) NOT NULL,
+                    status VARCHAR(32) NOT NULL,
+                    total_items INTEGER NOT NULL DEFAULT 0,
+                    completed_items INTEGER NOT NULL DEFAULT 0,
+                    failed_items INTEGER NOT NULL DEFAULT 0,
+                    review_items INTEGER NOT NULL DEFAULT 0,
+                    error TEXT,
+                    created_at VARCHAR(32) NOT NULL,
+                    updated_at VARCHAR(32) NOT NULL,
+                    completed_at VARCHAR(32)
+                )",
+            )
+            .await?;
+        ctx.db
+            .raw(
+                "CREATE TABLE IF NOT EXISTS furumusic__youtube_download_item (
+                    id VARCHAR(36) PRIMARY KEY,
+                    job_id VARCHAR(36) NOT NULL REFERENCES furumusic__youtube_download(id) ON DELETE CASCADE,
+                    source_id VARCHAR(128) NOT NULL,
+                    source_url TEXT NOT NULL,
+                    title TEXT NOT NULL,
+                    playlist_index INTEGER NOT NULL,
+                    status VARCHAR(32) NOT NULL,
+                    progress_percent DOUBLE PRECISION NOT NULL DEFAULT 0,
+                    downloaded_bytes BIGINT NOT NULL DEFAULT 0,
+                    total_bytes BIGINT,
+                    speed_bytes_per_sec BIGINT,
+                    eta_seconds BIGINT,
+                    chapter_count INTEGER NOT NULL DEFAULT 0,
+                    audio_file_count INTEGER NOT NULL DEFAULT 0,
+                    inbox_path TEXT,
+                    error TEXT,
+                    created_at VARCHAR(32) NOT NULL,
+                    updated_at VARCHAR(32) NOT NULL,
+                    completed_at VARCHAR(32),
+                    UNIQUE(job_id, source_id)
+                )",
+            )
+            .await?;
+        ctx.db
+            .raw(
+                "CREATE INDEX IF NOT EXISTS idx_youtube_download_user_updated
+                   ON furumusic__youtube_download (user_id, updated_at DESC)",
+            )
+            .await?;
+        ctx.db
+            .raw(
+                "CREATE INDEX IF NOT EXISTS idx_youtube_download_user_status
+                   ON furumusic__youtube_download (user_id, status)",
+            )
+            .await?;
+        ctx.db
+            .raw(
+                "CREATE INDEX IF NOT EXISTS idx_youtube_download_item_job_status
+                   ON furumusic__youtube_download_item (job_id, status, playlist_index)",
+            )
+            .await?;
+        ctx.db
+            .raw(
+                "CREATE INDEX IF NOT EXISTS idx_youtube_download_item_source
+                   ON furumusic__youtube_download_item (source_id)",
+            )
+            .await?;
+        Ok(())
+    }
+
+    #[derive(Debug, Copy, Clone)]
+    pub struct M0045CreateYouTubeDownloads;
+
+    impl migrations::Migration for M0045CreateYouTubeDownloads {
+        const APP_NAME: &'static str = "furumusic";
+        const MIGRATION_NAME: &'static str = "m_0045_create_youtube_downloads";
+        const DEPENDENCIES: &'static [migrations::MigrationDependency] =
+            &[migrations::MigrationDependency::migration(
+                "furumusic",
+                "m_0044_add_similarity_routing_signature",
+            )];
+        const OPERATIONS: &'static [Operation] =
+            &[Operation::custom(create_youtube_downloads).build()];
+    }
+
+    // -- M0046: persistent direct-file upload history -----------------------
+
+    #[cot::db::migrations::migration_op]
+    async fn create_local_upload_history(
+        ctx: migrations::MigrationContext<'_>,
+    ) -> cot::db::Result<()> {
+        ctx.db
+            .raw(
+                "CREATE TABLE IF NOT EXISTS furumusic__local_upload (
+                    id VARCHAR(36) PRIMARY KEY,
+                    user_id BIGINT NOT NULL,
+                    filename TEXT NOT NULL,
+                    size_bytes BIGINT NOT NULL DEFAULT 0,
+                    status VARCHAR(32) NOT NULL,
+                    inbox_path TEXT NOT NULL,
+                    error TEXT,
+                    created_at VARCHAR(32) NOT NULL,
+                    updated_at VARCHAR(32) NOT NULL,
+                    completed_at VARCHAR(32)
+                )",
+            )
+            .await?;
+        ctx.db
+            .raw(
+                "CREATE INDEX IF NOT EXISTS idx_local_upload_user_updated
+                   ON furumusic__local_upload (user_id, updated_at DESC)",
+            )
+            .await?;
+        ctx.db
+            .raw(
+                "CREATE INDEX IF NOT EXISTS idx_local_upload_user_status
+                   ON furumusic__local_upload (user_id, status)",
+            )
+            .await?;
+        Ok(())
+    }
+
+    #[derive(Debug, Copy, Clone)]
+    pub struct M0046CreateLocalUploadHistory;
+
+    impl migrations::Migration for M0046CreateLocalUploadHistory {
+        const APP_NAME: &'static str = "furumusic";
+        const MIGRATION_NAME: &'static str = "m_0046_create_local_upload_history";
+        const DEPENDENCIES: &'static [migrations::MigrationDependency] =
+            &[migrations::MigrationDependency::migration(
+                "furumusic",
+                "m_0045_create_youtube_downloads",
+            )];
+        const OPERATIONS: &'static [Operation] =
+            &[Operation::custom(create_local_upload_history).build()];
+    }
+
     pub const MIGRATIONS: &[&SyncDynMigration] = &[
         &M0006CreateMediaFile,
         &M0007CreateArtist,
@@ -2575,5 +2749,8 @@ pub mod db_migrations {
         &M0041CreateSyncedListenHistory,
         &M0042RepairLegacyListenQualification,
         &M0043CreateSimilarityEmbeddings,
+        &M0044AddSimilarityRoutingSignature,
+        &M0045CreateYouTubeDownloads,
+        &M0046CreateLocalUploadHistory,
     ];
 }

src/player/mod.rs

@@ -14,15 +14,17 @@ use cot::router::method::{delete, get, post};
 use cot::router::{Route, Router};
 use cot::session::Session;
 use cot::{App, Body, Template};
-use serde::Serialize;
+use serde::{Deserialize, Serialize};
 use sqlx::Row as _;
 
 use crate::auth;
 use crate::config::AppConfig;
 use crate::i18n::Translations;
 use crate::lastfm::{LastfmClient, LastfmCredentials, LastfmTrackPayload};
+use crate::local_uploads::LocalUploadDto;
 use crate::scheduler::SchedulerHandle;
 use crate::torrents::{TorrentPreviewRequest, TorrentService, TorrentStartRequest};
+use crate::youtube::{YouTubePreviewRequest, YouTubeService, YouTubeStartRequest};
 
 mod dto;
 mod helpers;
@@ -50,8 +52,7 @@ fn json_error(status: StatusCode, message: &str) -> cot::response::Response {
 #[derive(serde::Serialize)]
 struct LocalUploadResponse {
     ok: bool,
-    filename: String,
-    size: u64,
+    upload: LocalUploadDto,
 }
 
 const PLAYER_DEVICE_TTL_MS: i64 = 30_000;
@@ -4318,9 +4319,25 @@ async fn load_track_items_by_ids(pool: &sqlx::PgPool, ids: &[i64]) -> cot::Resul
 #[derive(Debug, Serialize)]
 struct SimilaritySearchResponse {
     label: String,
-    tracks: Vec<TrackItem>,
+    tracks: Vec<ScoredSimilarityTrack>,
     federation_tracks: Vec<crate::federation::client::TrackDto>,
     federation_error: Option<String>,
+    queried_peers: usize,
+    elapsed_ms: u64,
+    complete: bool,
+}
+
+#[derive(Debug, Serialize)]
+struct ScoredSimilarityTrack {
+    #[serde(flatten)]
+    track: TrackItem,
+    similarity_score: f32,
+}
+
+#[derive(Debug, Deserialize)]
+struct SimilaritySearchQuery {
+    #[serde(default)]
+    local_only: bool,
 }
 
 async fn similarity_search_handler(
@@ -4329,7 +4346,9 @@ async fn similarity_search_handler(
     db: Database,
     pool: &sqlx::PgPool,
     Path(path): Path<PathId>,
+    options: cot::request::extractors::UrlQuery<SimilaritySearchQuery>,
 ) -> cot::Result<cot::response::Response> {
+    let started = std::time::Instant::now();
     let Some(_user) = auth::get_request_user(&auth_ctx, &session, &db).await else {
         return Ok(json_error(StatusCode::UNAUTHORIZED, "not authenticated"));
     };
@@ -4385,28 +4404,48 @@ async fn similarity_search_handler(
         .iter()
         .map(|track| track.track_id)
         .collect::<Vec<_>>();
-    let mut tracks = Vec::with_capacity(ids.len() + 1);
-    tracks.push(source_track.clone());
-    tracks.extend(load_track_items_by_ids(pool, &ids).await?);
+    let scores: HashMap<i64, f32> = ranked
+        .iter()
+        .map(|track| (track.track_id, track.score))
+        .collect();
+    let mut local_tracks = Vec::with_capacity(ids.len() + 1);
+    local_tracks.push(source_track.clone());
+    local_tracks.extend(load_track_items_by_ids(pool, &ids).await?);
+    let tracks = local_tracks
+        .into_iter()
+        .map(|track| ScoredSimilarityTrack {
+            similarity_score: if track.id == path.id {
+                1.0
+            } else {
+                scores.get(&track.id).copied().unwrap_or_default()
+            },
+            track,
+        })
+        .collect();
 
     let (config, _) = AppConfig::load_with_db(&db).await;
-    let (federation_tracks, federation_error) = if config.federation_enabled {
-        match crate::federation::handle()
-            .search_similarity(query, 50)
-            .await
-        {
-            Ok(remote) => match crate::federation::handle()
-                .prepare_similarity_tracks(remote)
+    let (federation_tracks, federation_error, queried_peers) =
+        if config.federation_enabled && !options.0.local_only {
+            match crate::federation::handle()
+                .search_similarity(query, 50)
                 .await
             {
-                Ok(tracks) => (tracks, None),
-                Err(error) => (Vec::new(), Some(format!("{error:#}"))),
-            },
-            Err(error) => (Vec::new(), Some(format!("{error:#}"))),
-        }
-    } else {
-        (Vec::new(), None)
-    };
+                Ok(outcome) => match crate::federation::handle()
+                    .prepare_similarity_tracks(outcome.tracks)
+                    .await
+                {
+                    Ok(tracks) => (tracks, None, outcome.queried_peers),
+                    Err(error) => (
+                        Vec::new(),
+                        Some(format!("{error:#}")),
+                        outcome.queried_peers,
+                    ),
+                },
+                Err(error) => (Vec::new(), Some(format!("{error:#}")), 0),
+            }
+        } else {
+            (Vec::new(), None, 0)
+        };
     let artists = source_track
         .artists
         .iter()
@@ -4423,6 +4462,9 @@ async fn similarity_search_handler(
         tracks,
         federation_tracks,
         federation_error,
+        queried_peers,
+        elapsed_ms: started.elapsed().as_millis() as u64,
+        complete: !options.0.local_only,
     })
     .into_response()
 }
@@ -4789,6 +4831,7 @@ async fn local_upload_handler(
     session: Session,
     db: Database,
     config: AppConfig,
+    pool: &sqlx::PgPool,
     scheduler_handle: Arc<tokio::sync::OnceCell<Arc<SchedulerHandle>>>,
     request: cot::request::Request,
 ) -> cot::Result<cot::http::Response<Body>> {
@@ -4821,6 +4864,14 @@ async fn local_upload_handler(
         .filter(|value| !value.is_empty())
         .unwrap_or_else(|| "upload.mp3".to_string());
     let filename = sanitize_upload_filename(&original_name);
+    let upload_id_header = HeaderName::from_static("x-furumusic-upload-id");
+    let upload_id = request
+        .headers()
+        .get(upload_id_header)
+        .and_then(|value| value.to_str().ok())
+        .and_then(|value| uuid::Uuid::parse_str(value.trim()).ok())
+        .unwrap_or_else(uuid::Uuid::new_v4)
+        .to_string();
 
     let bytes = request
         .into_body()
@@ -4837,14 +4888,53 @@ async fn local_upload_handler(
     let upload_dir = inbox_root
         .join("user_uploads")
         .join(user.id.to_string())
-        .join(format!("local-{}", uuid::Uuid::new_v4()));
-    tokio::fs::create_dir_all(&upload_dir)
-        .await
-        .map_err(|err| cot::Error::internal(err.to_string()))?;
+        .join(format!("local-{upload_id}"));
     let destination = upload_dir.join(&filename);
-    tokio::fs::write(&destination, &bytes)
-        .await
-        .map_err(|err| cot::Error::internal(err.to_string()))?;
+    let Some(inbox_path) =
+        crate::media_paths::path_for_root(&inbox_root.to_string_lossy(), &destination)
+    else {
+        return Ok(json_error(
+            StatusCode::INTERNAL_SERVER_ERROR,
+            "upload destination escaped agent_inbox_dir",
+        ));
+    };
+    if let Err(err) = crate::local_uploads::create(
+        pool,
+        &upload_id,
+        user.id,
+        &filename,
+        bytes.len() as u64,
+        &inbox_path,
+    )
+    .await
+    {
+        return Ok(json_error(StatusCode::BAD_REQUEST, &err.to_string()));
+    }
+
+    let temporary = upload_dir.join(format!(".{upload_id}.uploading"));
+    let write_result = async {
+        tokio::fs::create_dir_all(&upload_dir).await?;
+        tokio::fs::write(&temporary, &bytes).await?;
+        tokio::fs::rename(&temporary, &destination).await?;
+        Ok::<(), std::io::Error>(())
+    }
+    .await;
+    if let Err(err) = write_result {
+        let message = format!("could not save uploaded file: {err}");
+        let _ = tokio::fs::remove_dir_all(&upload_dir).await;
+        let _ = crate::local_uploads::mark_failed(pool, &upload_id, user.id, &message).await;
+        return Ok(json_error(StatusCode::INTERNAL_SERVER_ERROR, &message));
+    }
+
+    let upload = match crate::local_uploads::mark_queued(pool, &upload_id, user.id).await {
+        Ok(upload) => upload,
+        Err(err) => {
+            return Ok(json_error(
+                StatusCode::INTERNAL_SERVER_ERROR,
+                &err.to_string(),
+            ));
+        }
+    };
 
     if let Some(handle) = scheduler_handle.get() {
         let handle = Arc::clone(handle);
@@ -4855,12 +4945,39 @@ async fn local_upload_handler(
         });
     }
 
-    Json(LocalUploadResponse {
-        ok: true,
-        filename,
-        size: bytes.len() as u64,
-    })
-    .into_response()
+    Json(LocalUploadResponse { ok: true, upload }).into_response()
+}
+
+async fn local_upload_history_handler(
+    auth_ctx: auth::AuthContext,
+    session: Session,
+    db: Database,
+    pool: &sqlx::PgPool,
+) -> cot::Result<cot::response::Response> {
+    let Some(user) = auth::get_request_user(&auth_ctx, &session, &db).await else {
+        return Ok(json_error(StatusCode::UNAUTHORIZED, "not authenticated"));
+    };
+    let (config, _) = AppConfig::load_with_db(&db).await;
+    match crate::local_uploads::list(pool, user.id, &config.agent_inbox_dir).await {
+        Ok(items) => Json(items).into_response(),
+        Err(err) => Ok(json_error(StatusCode::BAD_REQUEST, &err.to_string())),
+    }
+}
+
+async fn local_upload_history_remove_handler(
+    auth_ctx: auth::AuthContext,
+    session: Session,
+    db: Database,
+    pool: &sqlx::PgPool,
+    path: Path<PathStringId>,
+) -> cot::Result<cot::response::Response> {
+    let Some(user) = auth::get_request_user(&auth_ctx, &session, &db).await else {
+        return Ok(json_error(StatusCode::UNAUTHORIZED, "not authenticated"));
+    };
+    match crate::local_uploads::remove(pool, user.id, &path.0.id).await {
+        Ok(()) => Json(serde_json::json!({ "ok": true })).into_response(),
+        Err(err) => Ok(json_error(StatusCode::BAD_REQUEST, &err.to_string())),
+    }
 }
 
 fn sanitize_upload_filename(value: &str) -> String {
@@ -8066,6 +8183,8 @@ impl App for PlayerApp {
         let pool: Arc<tokio::sync::OnceCell<sqlx::PgPool>> = Arc::new(tokio::sync::OnceCell::new());
         let torrent_service: Arc<tokio::sync::OnceCell<Arc<TorrentService>>> =
             Arc::new(tokio::sync::OnceCell::new());
+        let youtube_service: Arc<tokio::sync::OnceCell<Arc<YouTubeService>>> =
+            Arc::new(tokio::sync::OnceCell::new());
         let device_hub = Arc::clone(&self.device_hub);
 
         Router::with_urls([
@@ -8304,6 +8423,329 @@ impl App for PlayerApp {
                 },
                 "player_agent_queue",
             ),
+            // -- YouTube downloads --
+            Route::with_handler_and_name(
+                "/youtube/preview",
+                {
+                    let youtube_service = Arc::clone(&youtube_service);
+                    let scheduler_handle = Arc::clone(&self.scheduler_handle);
+                    post(
+                        move |auth_ctx: auth::AuthContext,
+                              session: Session,
+                              db: Database,
+                              json: Json<YouTubePreviewRequest>| {
+                            let youtube_service = Arc::clone(&youtube_service);
+                            let scheduler_handle = Arc::clone(&scheduler_handle);
+                            async move {
+                                if auth::get_request_user(&auth_ctx, &session, &db)
+                                    .await
+                                    .is_none()
+                                {
+                                    return Ok(json_error(
+                                        StatusCode::UNAUTHORIZED,
+                                        "not authenticated",
+                                    ));
+                                }
+                                let service = youtube_service
+                                    .get_or_init(|| async {
+                                        Arc::new(YouTubeService::new(Arc::clone(&scheduler_handle)))
+                                    })
+                                    .await;
+                                match service.preview(json.0).await {
+                                    Ok(preview) => Json(preview).into_response(),
+                                    Err(err) => {
+                                        Ok(json_error(StatusCode::BAD_REQUEST, &err.to_string()))
+                                    }
+                                }
+                            }
+                        },
+                    )
+                },
+                "player_youtube_preview",
+            ),
+            Route::with_handler_and_name(
+                "/youtube",
+                {
+                    let pool = Arc::clone(&pool);
+                    let pool_config = Arc::clone(&pool_config);
+                    let youtube_service = Arc::clone(&youtube_service);
+                    let scheduler_handle = Arc::clone(&self.scheduler_handle);
+                    get(
+                        move |auth_ctx: auth::AuthContext, session: Session, db: Database| {
+                            let pool = Arc::clone(&pool);
+                            let pool_config = Arc::clone(&pool_config);
+                            let youtube_service = Arc::clone(&youtube_service);
+                            let scheduler_handle = Arc::clone(&scheduler_handle);
+                            async move {
+                                let Some(user) =
+                                    auth::get_request_user(&auth_ctx, &session, &db).await
+                                else {
+                                    return Ok(json_error(
+                                        StatusCode::UNAUTHORIZED,
+                                        "not authenticated",
+                                    ));
+                                };
+                                let pg_pool = pool
+                                    .get_or_init(|| async {
+                                        sqlx::postgres::PgPoolOptions::new()
+                                            .max_connections(5)
+                                            .connect(&pool_config.database_url)
+                                            .await
+                                            .expect("player pool")
+                                    })
+                                    .await;
+                                let service = youtube_service
+                                    .get_or_init(|| async {
+                                        Arc::new(YouTubeService::new(Arc::clone(&scheduler_handle)))
+                                    })
+                                    .await;
+                                let (live_config, _) = AppConfig::load_with_db(&db).await;
+                                match service
+                                    .list(pg_pool, user.id, &live_config.agent_inbox_dir)
+                                    .await
+                                {
+                                    Ok(items) => Json(items).into_response(),
+                                    Err(err) => {
+                                        Ok(json_error(StatusCode::BAD_REQUEST, &err.to_string()))
+                                    }
+                                }
+                            }
+                        },
+                    )
+                },
+                "player_youtube_list",
+            ),
+            Route::with_handler_and_name(
+                "/youtube/start",
+                {
+                    let pool = Arc::clone(&pool);
+                    let pool_config = Arc::clone(&pool_config);
+                    let youtube_service = Arc::clone(&youtube_service);
+                    let scheduler_handle = Arc::clone(&self.scheduler_handle);
+                    post(
+                        move |auth_ctx: auth::AuthContext,
+                              session: Session,
+                              db: Database,
+                              json: Json<YouTubeStartRequest>| {
+                            let pool = Arc::clone(&pool);
+                            let pool_config = Arc::clone(&pool_config);
+                            let youtube_service = Arc::clone(&youtube_service);
+                            let scheduler_handle = Arc::clone(&scheduler_handle);
+                            async move {
+                                let Some(user) =
+                                    auth::get_request_user(&auth_ctx, &session, &db).await
+                                else {
+                                    return Ok(json_error(
+                                        StatusCode::UNAUTHORIZED,
+                                        "not authenticated",
+                                    ));
+                                };
+                                let pg_pool = pool
+                                    .get_or_init(|| async {
+                                        sqlx::postgres::PgPoolOptions::new()
+                                            .max_connections(5)
+                                            .connect(&pool_config.database_url)
+                                            .await
+                                            .expect("player pool")
+                                    })
+                                    .await;
+                                let service = youtube_service
+                                    .get_or_init(|| async {
+                                        Arc::new(YouTubeService::new(Arc::clone(&scheduler_handle)))
+                                    })
+                                    .await;
+                                let (live_config, _) = AppConfig::load_with_db(&db).await;
+                                match service
+                                    .start(
+                                        pg_pool,
+                                        user.id,
+                                        json.0,
+                                        &live_config.agent_inbox_dir,
+                                    )
+                                    .await
+                                {
+                                    Ok(job) => Json(job).into_response(),
+                                    Err(err) => {
+                                        Ok(json_error(StatusCode::BAD_REQUEST, &err.to_string()))
+                                    }
+                                }
+                            }
+                        },
+                    )
+                },
+                "player_youtube_start",
+            ),
+            Route::with_handler_and_name(
+                "/youtube/{id}/retry",
+                {
+                    let pool = Arc::clone(&pool);
+                    let pool_config = Arc::clone(&pool_config);
+                    let youtube_service = Arc::clone(&youtube_service);
+                    let scheduler_handle = Arc::clone(&self.scheduler_handle);
+                    post(
+                        move |auth_ctx: auth::AuthContext,
+                              session: Session,
+                              db: Database,
+                              path: Path<PathStringId>| {
+                            let pool = Arc::clone(&pool);
+                            let pool_config = Arc::clone(&pool_config);
+                            let youtube_service = Arc::clone(&youtube_service);
+                            let scheduler_handle = Arc::clone(&scheduler_handle);
+                            async move {
+                                let Some(user) =
+                                    auth::get_request_user(&auth_ctx, &session, &db).await
+                                else {
+                                    return Ok(json_error(
+                                        StatusCode::UNAUTHORIZED,
+                                        "not authenticated",
+                                    ));
+                                };
+                                let pg_pool = pool
+                                    .get_or_init(|| async {
+                                        sqlx::postgres::PgPoolOptions::new()
+                                            .max_connections(5)
+                                            .connect(&pool_config.database_url)
+                                            .await
+                                            .expect("player pool")
+                                    })
+                                    .await;
+                                let service = youtube_service
+                                    .get_or_init(|| async {
+                                        Arc::new(YouTubeService::new(Arc::clone(&scheduler_handle)))
+                                    })
+                                    .await;
+                                let (live_config, _) = AppConfig::load_with_db(&db).await;
+                                match service
+                                    .retry(
+                                        pg_pool,
+                                        user.id,
+                                        &path.0.id,
+                                        &live_config.agent_inbox_dir,
+                                    )
+                                    .await
+                                {
+                                    Ok(job) => Json(job).into_response(),
+                                    Err(err) => {
+                                        Ok(json_error(StatusCode::BAD_REQUEST, &err.to_string()))
+                                    }
+                                }
+                            }
+                        },
+                    )
+                },
+                "player_youtube_retry",
+            ),
+            Route::with_handler_and_name(
+                "/youtube/{id}/cancel",
+                {
+                    let pool = Arc::clone(&pool);
+                    let pool_config = Arc::clone(&pool_config);
+                    let youtube_service = Arc::clone(&youtube_service);
+                    let scheduler_handle = Arc::clone(&self.scheduler_handle);
+                    post(
+                        move |auth_ctx: auth::AuthContext,
+                              session: Session,
+                              db: Database,
+                              path: Path<PathStringId>| {
+                            let pool = Arc::clone(&pool);
+                            let pool_config = Arc::clone(&pool_config);
+                            let youtube_service = Arc::clone(&youtube_service);
+                            let scheduler_handle = Arc::clone(&scheduler_handle);
+                            async move {
+                                let Some(user) =
+                                    auth::get_request_user(&auth_ctx, &session, &db).await
+                                else {
+                                    return Ok(json_error(
+                                        StatusCode::UNAUTHORIZED,
+                                        "not authenticated",
+                                    ));
+                                };
+                                let pg_pool = pool
+                                    .get_or_init(|| async {
+                                        sqlx::postgres::PgPoolOptions::new()
+                                            .max_connections(5)
+                                            .connect(&pool_config.database_url)
+                                            .await
+                                            .expect("player pool")
+                                    })
+                                    .await;
+                                let service = youtube_service
+                                    .get_or_init(|| async {
+                                        Arc::new(YouTubeService::new(Arc::clone(&scheduler_handle)))
+                                    })
+                                    .await;
+                                match service.cancel(pg_pool, user.id, &path.0.id).await {
+                                    Ok(job) => Json(job).into_response(),
+                                    Err(err) => {
+                                        Ok(json_error(StatusCode::BAD_REQUEST, &err.to_string()))
+                                    }
+                                }
+                            }
+                        },
+                    )
+                },
+                "player_youtube_cancel",
+            ),
+            Route::with_handler_and_name(
+                "/youtube/{id}",
+                {
+                    let pool = Arc::clone(&pool);
+                    let pool_config = Arc::clone(&pool_config);
+                    let youtube_service = Arc::clone(&youtube_service);
+                    let scheduler_handle = Arc::clone(&self.scheduler_handle);
+                    delete(
+                        move |auth_ctx: auth::AuthContext,
+                              session: Session,
+                              db: Database,
+                              path: Path<PathStringId>| {
+                            let pool = Arc::clone(&pool);
+                            let pool_config = Arc::clone(&pool_config);
+                            let youtube_service = Arc::clone(&youtube_service);
+                            let scheduler_handle = Arc::clone(&scheduler_handle);
+                            async move {
+                                let Some(user) =
+                                    auth::get_request_user(&auth_ctx, &session, &db).await
+                                else {
+                                    return Ok(json_error(
+                                        StatusCode::UNAUTHORIZED,
+                                        "not authenticated",
+                                    ));
+                                };
+                                let pg_pool = pool
+                                    .get_or_init(|| async {
+                                        sqlx::postgres::PgPoolOptions::new()
+                                            .max_connections(5)
+                                            .connect(&pool_config.database_url)
+                                            .await
+                                            .expect("player pool")
+                                    })
+                                    .await;
+                                let service = youtube_service
+                                    .get_or_init(|| async {
+                                        Arc::new(YouTubeService::new(Arc::clone(&scheduler_handle)))
+                                    })
+                                    .await;
+                                let (live_config, _) = AppConfig::load_with_db(&db).await;
+                                match service
+                                    .remove(
+                                        pg_pool,
+                                        user.id,
+                                        &path.0.id,
+                                        &live_config.agent_inbox_dir,
+                                    )
+                                    .await
+                                {
+                                    Ok(()) => Json(serde_json::json!({ "ok": true })).into_response(),
+                                    Err(err) => {
+                                        Ok(json_error(StatusCode::BAD_REQUEST, &err.to_string()))
+                                    }
+                                }
+                            }
+                        },
+                    )
+                },
+                "player_youtube_remove",
+            ),
             // -- Torrent import widget --
             Route::with_handler_and_name(
                 "/torrents",
@@ -8505,20 +8947,34 @@ impl App for PlayerApp {
             Route::with_handler_and_name(
                 "/uploads/local",
                 {
+                    let pool = Arc::clone(&pool);
+                    let pool_config = Arc::clone(&pool_config);
                     let scheduler_handle = Arc::clone(&self.scheduler_handle);
                     post(
                         move |auth_ctx: auth::AuthContext,
                               session: Session,
                               db: Database,
                               request: cot::request::Request| {
+                            let pool = Arc::clone(&pool);
+                            let pool_config = Arc::clone(&pool_config);
                             let scheduler_handle = Arc::clone(&scheduler_handle);
                             async move {
+                                let pg_pool = pool
+                                    .get_or_init(|| async {
+                                        sqlx::postgres::PgPoolOptions::new()
+                                            .max_connections(5)
+                                            .connect(&pool_config.database_url)
+                                            .await
+                                            .expect("player pool")
+                                    })
+                                    .await;
                                 let (live_config, _) = AppConfig::load_with_db(&db).await;
                                 local_upload_handler(
                                     auth_ctx,
                                     session,
                                     db,
                                     live_config,
+                                    pg_pool,
                                     scheduler_handle,
                                     request,
                                 )
@@ -8529,6 +8985,60 @@ impl App for PlayerApp {
                 },
                 "player_local_upload",
             ),
+            Route::with_handler_and_name(
+                "/uploads/local/history",
+                get({
+                    let pool = Arc::clone(&pool);
+                    let pool_config = Arc::clone(&pool_config);
+                    move |auth_ctx: auth::AuthContext, session: Session, db: Database| {
+                        let pool = Arc::clone(&pool);
+                        let pool_config = Arc::clone(&pool_config);
+                        async move {
+                            let pg_pool = pool
+                                .get_or_init(|| async {
+                                    sqlx::postgres::PgPoolOptions::new()
+                                        .max_connections(5)
+                                        .connect(&pool_config.database_url)
+                                        .await
+                                        .expect("player pool")
+                                })
+                                .await;
+                            local_upload_history_handler(auth_ctx, session, db, pg_pool).await
+                        }
+                    }
+                }),
+                "player_local_upload_history",
+            ),
+            Route::with_handler_and_name(
+                "/uploads/local/history/{id}",
+                delete({
+                    let pool = Arc::clone(&pool);
+                    let pool_config = Arc::clone(&pool_config);
+                    move |auth_ctx: auth::AuthContext,
+                          session: Session,
+                          db: Database,
+                          path: Path<PathStringId>| {
+                        let pool = Arc::clone(&pool);
+                        let pool_config = Arc::clone(&pool_config);
+                        async move {
+                            let pg_pool = pool
+                                .get_or_init(|| async {
+                                    sqlx::postgres::PgPoolOptions::new()
+                                        .max_connections(5)
+                                        .connect(&pool_config.database_url)
+                                        .await
+                                        .expect("player pool")
+                                })
+                                .await;
+                            local_upload_history_remove_handler(
+                                auth_ctx, session, db, pg_pool, path,
+                            )
+                            .await
+                        }
+                    }
+                }),
+                "player_local_upload_history_remove",
+            ),
             Route::with_handler_and_name(
                 "/uploads/tracks",
                 get({
@@ -9934,7 +10444,8 @@ impl App for PlayerApp {
                     move |auth_ctx: auth::AuthContext,
                           session: Session,
                           db: Database,
-                          path: Path<PathId>| {
+                          path: Path<PathId>,
+                          query: cot::request::extractors::UrlQuery<SimilaritySearchQuery>| {
                         let pool = Arc::clone(&pool);
                         let pool_config = Arc::clone(&pool_config);
                         async move {
@@ -9947,7 +10458,7 @@ impl App for PlayerApp {
                                         .expect("player pool")
                                 })
                                 .await;
-                            similarity_search_handler(auth_ctx, session, db, pg_pool, path).await
+                            similarity_search_handler(auth_ctx, session, db, pg_pool, path, query).await
                         }
                     }
                 }),

src/similarity.rs

@@ -7,6 +7,7 @@
 use std::collections::{HashMap, HashSet};
 use std::fs::File;
 use std::path::{Path, PathBuf};
+use std::process::Command;
 use std::sync::atomic::{AtomicU64, AtomicUsize, Ordering};
 use std::sync::{Arc, Mutex, OnceLock, RwLock};
 use std::time::{Duration, Instant};
@@ -244,10 +245,61 @@ impl Manager {
                 return;
             }
         };
+        let mut effective = config.clone();
+        let mut rows = None;
+        for attempt in 0..20 {
+            match sqlx::query(
+                "SELECT key, value FROM furumusic__config_entry
+                 WHERE key IN ('similarity_enabled', 'similarity_model',
+                               'similarity_profile', 'similarity_workers',
+                               'agent_storage_dir')",
+            )
+            .fetch_all(&pool)
+            .await
+            {
+                Ok(loaded) => {
+                    rows = Some(loaded);
+                    break;
+                }
+                Err(error) if attempt < 19 => {
+                    tracing::debug!(attempt, %error, "similarity boot: settings table not ready");
+                    tokio::time::sleep(Duration::from_millis(500)).await;
+                }
+                Err(error) => {
+                    tracing::warn!(%error, "similarity boot: database settings unavailable");
+                }
+            }
+        }
+        for row in rows.unwrap_or_default() {
+            let key: String = row.get(0);
+            let value: String = row.get(1);
+            let env_key = format!("FURU_{}", key.to_ascii_uppercase());
+            if std::env::var(&env_key).is_ok() {
+                continue;
+            }
+            match key.as_str() {
+                "similarity_enabled" => {
+                    if let Ok(parsed) = value.parse() {
+                        effective.similarity_enabled = parsed;
+                    }
+                }
+                "similarity_model" => effective.similarity_model = value,
+                "similarity_profile" => effective.similarity_profile = value,
+                "similarity_workers" => {
+                    if let Ok(parsed) = value.parse() {
+                        effective.similarity_workers = parsed;
+                    }
+                }
+                "agent_storage_dir" => {
+                    effective.agent_storage_dir = crate::media_paths::resolve_config_path(&value);
+                }
+                _ => {}
+            }
+        }
         if let Err(error) = self.restore_stored_status(&pool).await {
             tracing::warn!(%error, "similarity boot: stored status unavailable");
         }
-        self.apply(config);
+        self.apply(&effective);
     }
 
     pub fn apply(self: &Arc<Self>, config: &AppConfig) {
@@ -283,6 +335,90 @@ impl Manager {
         lock(&self.status).clone()
     }
 
+    /// Loads compact routing signatures for every current visible embedding.
+    /// Embeddings created before DHT routing existed are upgraded in place;
+    /// the CPU-heavy projection runs outside the async runtime.
+    pub async fn routing_signatures(&self, profile_id: &str) -> Result<Vec<[u8; 32]>> {
+        let pool = self.pool().await?;
+        let missing = sqlx::query(
+            "SELECT e.track_id, e.dimensions, e.vector
+               FROM furumusic__track_embedding e
+               JOIN furumusic__track t ON t.id = e.track_id
+               JOIN furumusic__release r ON r.id = t.release_id
+               JOIN furumusic__media_file m ON m.id = t.audio_file_id
+              WHERE e.profile_id = $1 AND e.source_sha256 = m.sha256_hash
+                AND t.is_hidden = FALSE AND r.is_hidden = FALSE
+                AND (e.routing_signature IS NULL
+                     OR octet_length(e.routing_signature) != 32)
+              ORDER BY e.track_id",
+        )
+        .bind(profile_id)
+        .fetch_all(&pool)
+        .await?
+        .into_iter()
+        .map(|row| {
+            (
+                row.get::<i64, _>(0),
+                row.get::<i32, _>(1),
+                row.get::<Vec<u8>, _>(2),
+            )
+        })
+        .collect::<Vec<_>>();
+
+        let computed = tokio::task::spawn_blocking(move || {
+            missing
+                .into_iter()
+                .map(|(track_id, dimensions, bytes)| {
+                    let vector = embedding_from_bytes(dimensions, &bytes)?;
+                    let signature = music_dht::similarity_lsh::routing_signature(&vector)?;
+                    Ok::<_, anyhow::Error>((track_id, signature))
+                })
+                .collect::<Result<Vec<_>>>()
+        })
+        .await
+        .context("similarity routing backfill task failed")??;
+
+        if !computed.is_empty() {
+            let mut transaction = pool.begin().await?;
+            for (track_id, signature) in computed {
+                sqlx::query(
+                    "UPDATE furumusic__track_embedding
+                        SET routing_signature = $3
+                      WHERE track_id = $1 AND profile_id = $2
+                        AND (routing_signature IS NULL
+                             OR octet_length(routing_signature) != 32)",
+                )
+                .bind(track_id)
+                .bind(profile_id)
+                .bind(signature.as_slice())
+                .execute(&mut *transaction)
+                .await?;
+            }
+            transaction.commit().await?;
+        }
+
+        let stored = sqlx::query_scalar::<_, Vec<u8>>(
+            "SELECT e.routing_signature
+               FROM furumusic__track_embedding e
+               JOIN furumusic__track t ON t.id = e.track_id
+               JOIN furumusic__release r ON r.id = t.release_id
+               JOIN furumusic__media_file m ON m.id = t.audio_file_id
+              WHERE e.profile_id = $1 AND e.source_sha256 = m.sha256_hash
+                AND t.is_hidden = FALSE AND r.is_hidden = FALSE
+              ORDER BY e.track_id",
+        )
+        .bind(profile_id)
+        .fetch_all(&pool)
+        .await?;
+        stored
+            .into_iter()
+            .map(|signature| {
+                <[u8; 32]>::try_from(signature)
+                    .map_err(|_| anyhow::anyhow!("invalid similarity routing signature length"))
+            })
+            .collect()
+    }
+
     pub fn start(self: &Arc<Self>) {
         let generation = self.generation.fetch_add(1, Ordering::AcqRel) + 1;
         let manager = Arc::clone(self);
@@ -846,14 +982,16 @@ async fn store_embedding(
         vector.iter().all(|value| value.is_finite()),
         "embedding contains a non-finite value"
     );
+    let routing_signature = music_dht::similarity_lsh::routing_signature(vector)?;
     sqlx::query(
         "INSERT INTO furumusic__track_embedding
-            (track_id, profile_id, dimensions, vector, source_sha256,
-             source_content_id, computed_at)
-         VALUES ($1, $2, $3, $4, $5, $6, $7)
+            (track_id, profile_id, dimensions, vector, routing_signature,
+             source_sha256, source_content_id, computed_at)
+         VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
          ON CONFLICT (track_id, profile_id) DO UPDATE SET
             dimensions = EXCLUDED.dimensions,
             vector = EXCLUDED.vector,
+            routing_signature = EXCLUDED.routing_signature,
             source_sha256 = EXCLUDED.source_sha256,
             source_content_id = EXCLUDED.source_content_id,
             computed_at = EXCLUDED.computed_at",
@@ -862,6 +1000,7 @@ async fn store_embedding(
     .bind(profile_id)
     .bind(vector.len() as i32)
     .bind(embedding_to_bytes(vector))
+    .bind(routing_signature.as_slice())
     .bind(&track.source_sha256)
     .bind(&track.source_content_id)
     .bind(now_iso())
@@ -1056,6 +1195,23 @@ fn decode_mono_window(
     path: &Path,
     start_seconds: f64,
     length_seconds: Option<f64>,
+) -> Result<Vec<f32>> {
+    match decode_mono_window_native(path, start_seconds, length_seconds) {
+        Ok(samples) => Ok(samples),
+        Err(native_error) => decode_mono_window_ffmpeg(path, start_seconds, length_seconds)
+            .with_context(|| {
+                format!(
+                    "native decoder failed for {} ({native_error:#}); FFmpeg fallback failed",
+                    path.display()
+                )
+            }),
+    }
+}
+
+fn decode_mono_window_native(
+    path: &Path,
+    start_seconds: f64,
+    length_seconds: Option<f64>,
 ) -> Result<Vec<f32>> {
     let file = File::open(path).with_context(|| format!("opening {}", path.display()))?;
     let mut decoder =
@@ -1091,6 +1247,64 @@ fn decode_mono_window(
     Ok(resample_sinc(&mono, source_rate, SAMPLE_RATE))
 }
 
+fn decode_mono_window_ffmpeg(
+    path: &Path,
+    start_seconds: f64,
+    length_seconds: Option<f64>,
+) -> Result<Vec<f32>> {
+    let mut command = Command::new("ffmpeg");
+    command.arg("-v").arg("error").arg("-nostdin");
+    if start_seconds > 0.0 {
+        command.arg("-ss").arg(format!("{start_seconds:.6}"));
+    }
+    command.arg("-i").arg(path);
+    if let Some(length_seconds) = length_seconds {
+        command.arg("-t").arg(format!("{length_seconds:.6}"));
+    }
+    let output = command
+        .arg("-map")
+        .arg("0:a:0")
+        .arg("-vn")
+        .arg("-sn")
+        .arg("-dn")
+        .arg("-ac")
+        .arg("1")
+        .arg("-ar")
+        .arg(SAMPLE_RATE.to_string())
+        .arg("-f")
+        .arg("f32le")
+        .arg("pipe:1")
+        .output()
+        .with_context(|| "starting FFmpeg; install FFmpeg to decode this audio format")?;
+    if !output.status.success() {
+        let stderr = String::from_utf8_lossy(&output.stderr);
+        let detail = stderr
+            .lines()
+            .map(str::trim)
+            .rfind(|line| !line.is_empty())
+            .unwrap_or("unknown FFmpeg error");
+        anyhow::bail!("FFmpeg exited with {}: {detail}", output.status);
+    }
+    anyhow::ensure!(
+        output
+            .stdout
+            .len()
+            .is_multiple_of(std::mem::size_of::<f32>()),
+        "FFmpeg returned a truncated f32le stream"
+    );
+    let samples: Vec<f32> = output
+        .stdout
+        .chunks_exact(std::mem::size_of::<f32>())
+        .map(|bytes| f32::from_le_bytes(bytes.try_into().expect("four-byte sample")))
+        .collect();
+    anyhow::ensure!(!samples.is_empty(), "FFmpeg decoded track is empty");
+    anyhow::ensure!(
+        samples.iter().all(|sample| sample.is_finite()),
+        "FFmpeg decoded non-finite samples"
+    );
+    Ok(samples)
+}
+
 fn resample_sinc(input: &[f32], source_rate: usize, target_rate: usize) -> Vec<f32> {
     if input.len() < 2 || source_rate == 0 {
         return input.to_vec();
@@ -1320,4 +1534,36 @@ mod tests {
         assert_eq!(output.len(), 160);
         assert!(output.iter().all(|value| (*value - 0.25).abs() < 1e-6));
     }
+
+    #[test]
+    fn decodes_opus_with_ffmpeg_fallback() {
+        if Command::new("ffmpeg").arg("-version").output().is_err() {
+            return;
+        }
+        let path = std::env::temp_dir().join(format!(
+            "furumusic-similarity-{}.opus",
+            uuid::Uuid::new_v4()
+        ));
+        let generated = Command::new("ffmpeg")
+            .args([
+                "-v",
+                "error",
+                "-f",
+                "lavfi",
+                "-i",
+                "sine=frequency=440:sample_rate=48000:duration=0.25",
+                "-c:a",
+                "libopus",
+                "-y",
+            ])
+            .arg(&path)
+            .status()
+            .expect("start FFmpeg fixture generation");
+        assert!(generated.success(), "generate Opus fixture");
+
+        let decoded = decode_mono_window(&path, 0.0, None).expect("decode Opus with fallback");
+        let _ = std::fs::remove_file(&path);
+        assert!(decoded.len() >= SAMPLE_RATE / 5);
+        assert!(decoded.iter().all(|sample| sample.is_finite()));
+    }
 }

templates/admin/v2.html

@@ -806,35 +806,68 @@ tbody tr:hover {
 }
 
 .settings-page {
-    max-width: none;
+    max-width: 1440px;
+    margin: 0 auto;
 }
 
 .settings-layout {
     display: grid;
-    grid-template-columns: minmax(620px, 1fr) minmax(360px, 440px);
-    gap: 14px;
-    align-items: start;
+    grid-template-columns: repeat(12, minmax(0, 1fr));
+    grid-template-areas:
+        "access access access access oidc oidc oidc oidc oidc oidc oidc oidc"
+        "agent agent agent agent agent agent agent agent agentstatus agentstatus agentstatus agentstatus"
+        "similarity similarity similarity similarity similarity similarity similarity similarity similaritystatus similaritystatus similaritystatus similaritystatus"
+        "federation federation federation federation federation federation federation federation federation federation federation federation"
+        "lastfm lastfm lastfm lastfm lastfm lastfm lastfm lastfm developer developer developer developer"
+        "actions actions actions actions actions actions actions actions actions actions actions actions";
+    gap: 16px;
+    align-items: stretch;
 }
 
 .settings-column {
-    display: grid;
-    gap: 14px;
-    align-content: start;
+    display: contents;
 }
 
-.settings-side .settings-grid {
+.settings-section {
+    min-width: 0;
+    margin: 0;
+}
+.settings-access { grid-area: access; }
+.settings-oidc { grid-area: oidc; }
+.settings-agent { grid-area: agent; }
+.settings-agent-status { grid-area: agentstatus; }
+.settings-similarity { grid-area: similarity; }
+.settings-similarity-status { grid-area: similaritystatus; }
+.settings-federation { grid-area: federation; }
+.settings-lastfm { grid-area: lastfm; }
+.settings-developer { grid-area: developer; }
+.settings-section-narrow { border-left: 2px solid rgba(29, 185, 84, 0.55); }
+
+.settings-access .settings-grid,
+.settings-developer .settings-grid {
     grid-template-columns: minmax(0, 1fr);
 }
 
+.settings-section-narrow .panel-head {
+    background: rgba(29, 185, 84, 0.035);
+}
+
 .settings-actions {
-    grid-column: 1 / -1;
+    grid-area: actions;
+    position: sticky;
+    bottom: 0;
+    z-index: 5;
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+    background: rgba(35, 35, 35, 0.96);
+    backdrop-filter: blur(10px);
 }
 
 .settings-grid {
     display: grid;
     grid-template-columns: repeat(2, minmax(0, 1fr));
-    gap: 10px;
-    padding: 14px;
+    gap: 14px 16px;
+    padding: 16px;
 }
 
 .settings-card {
@@ -843,22 +876,26 @@ tbody tr:hover {
 
 .setting-field {
     min-width: 0;
+    max-width: 480px;
 }
 
+.setting-field.settings-short { max-width: 150px; }
+.settings-wide { max-width: 680px; }
+
 .setting-field label,
 .setting-toggle label {
     display: flex;
     align-items: center;
     justify-content: space-between;
     gap: 8px;
-    margin-bottom: 6px;
+    margin-bottom: 7px;
     color: var(--text-secondary);
-    font-size: 11px;
-    font-weight: 800;
-    text-transform: uppercase;
+    font-size: 12px;
+    font-weight: 700;
 }
 
-.setting-field input {
+.setting-field input,
+.setting-field select {
     width: 100%;
     height: 34px;
     padding: 0 10px;
@@ -869,13 +906,27 @@ tbody tr:hover {
     outline: none;
 }
 
-.setting-field input:focus {
+.setting-field textarea {
+    width: 100%;
+    min-height: 68px;
+    padding: 8px 10px;
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    background: var(--bg-primary);
+    color: var(--text-primary);
+    outline: none;
+    resize: vertical;
+}
+
+.setting-field input:focus,
+.setting-field select:focus,
+.setting-field textarea:focus {
     border-color: var(--accent);
 }
 
 .setting-toggle {
-    min-height: 74px;
-    padding: 12px;
+    min-height: 68px;
+    padding: 11px 12px;
     border: 1px solid var(--border-color);
     border-radius: 8px;
     background: var(--bg-primary);
@@ -894,9 +945,12 @@ tbody tr:hover {
     font-weight: 800;
 }
 
-.setting-toggle input {
+.setting-toggle input,
+.setting-toggle-row input[type="checkbox"] {
+    flex: 0 0 auto;
     width: 18px;
     height: 18px;
+    padding: 0;
     accent-color: var(--accent);
 }
 
@@ -904,7 +958,8 @@ tbody tr:hover {
     margin-top: 6px;
     color: var(--text-subdued);
     font-size: 11px;
-    line-height: 1.4;
+    line-height: 1.45;
+    max-width: 68ch;
 }
 
 .source-pill {
@@ -929,6 +984,101 @@ tbody tr:hover {
     grid-column: 1 / -1;
 }
 
+.settings-federation-body {
+    display: grid;
+    grid-template-columns: minmax(360px, 4fr) minmax(580px, 8fr);
+    gap: 20px;
+    padding: 16px;
+}
+
+.settings-federation-body > .settings-grid,
+.settings-federation-body > .probe-body {
+    padding: 0;
+}
+
+.federation-status-grid {
+    display: grid;
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+    gap: 12px;
+}
+
+.transport-log {
+    grid-column: 1 / -1;
+    min-width: 0;
+}
+
+.transport-log-head {
+    display: flex;
+    align-items: end;
+    justify-content: space-between;
+    gap: 12px;
+    margin: 14px 0 7px;
+}
+
+.transport-log-head strong { font-size: 12px; }
+.transport-log-head span { color: var(--text-subdued); font-size: 11px; }
+
+.transport-log-scroll {
+    max-height: 210px;
+    overflow: auto;
+    border: 1px solid var(--border-color);
+    border-radius: 7px;
+    background: var(--bg-primary);
+}
+
+.transport-row {
+    display: grid;
+    grid-template-columns: 68px minmax(100px, 1.2fr) 84px 72px 54px 64px 64px 66px 66px 66px;
+    gap: 8px;
+    align-items: center;
+    min-width: 850px;
+    min-height: 30px;
+    padding: 5px 9px;
+    border-bottom: 1px solid rgba(255, 255, 255, 0.055);
+    color: var(--text-secondary);
+    font: 11px/1.2 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
+    font-variant-numeric: tabular-nums;
+    white-space: nowrap;
+}
+
+.transport-row:last-child { border-bottom: 0; }
+.transport-row.transport-header {
+    position: sticky;
+    top: 0;
+    z-index: 1;
+    color: var(--text-subdued);
+    background: var(--bg-elevated);
+    font-size: 10px;
+    font-weight: 850;
+    text-transform: uppercase;
+}
+.transport-row > span { overflow: hidden; text-overflow: ellipsis; }
+.transport-number { text-align: right; }
+
+@media (max-width: 1000px) {
+    .settings-layout {
+        grid-template-columns: 1fr;
+        grid-template-areas:
+            "access"
+            "oidc"
+            "agent"
+            "agentstatus"
+            "similarity"
+            "similaritystatus"
+            "federation"
+            "lastfm"
+            "developer"
+            "actions";
+    }
+    .settings-federation-body { grid-template-columns: 1fr; }
+}
+
+@media (max-width: 700px) {
+    .settings-grid,
+    .federation-status-grid { grid-template-columns: 1fr; }
+    .setting-field { max-width: none; }
+}
+
 .settings-note {
     padding: 14px;
     color: var(--text-secondary);
@@ -937,7 +1087,7 @@ tbody tr:hover {
 }
 
 .probe-body {
-    padding: 14px;
+    padding: 16px;
 }
 
 .probe-intro {
@@ -955,9 +1105,43 @@ tbody tr:hover {
 }
 
 .probe-row {
-    display: flex;
-    justify-content: space-between;
-    gap: 10px;
+    display: grid;
+    grid-template-columns: minmax(0, 1fr) auto;
+    align-items: baseline;
+    gap: 12px;
+    min-height: 22px;
+}
+
+.probe-row strong {
+    max-width: 210px;
+    overflow: hidden;
+    text-align: right;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
+.similarity-profile-details {
+    margin-top: 12px;
+    padding-top: 12px;
+    border-top: 1px solid var(--border-color);
+}
+
+.similarity-profile-details > span {
+    display: block;
+    margin-bottom: 5px;
+    color: var(--text-subdued);
+    font-size: 10px;
+    font-weight: 800;
+    text-transform: uppercase;
+}
+
+.similarity-profile-details pre {
+    margin: 0;
+    color: var(--text-secondary);
+    font: inherit;
+    font-size: 11px;
+    line-height: 1.45;
+    white-space: pre-wrap;
 }
 
 .library-row {
@@ -1560,7 +1744,7 @@ tbody tr:hover {
                 <p x-text="pageSubtitle()"></p>
             </div>
             <div class="top-actions">
-                <button class="btn" @click="refreshAll()">
+                <button class="btn" @click="refreshAll()" x-show="activeView !== 'settings'">
                     <i data-lucide="refresh-cw"></i>
                     Refresh
                 </button>
@@ -2059,7 +2243,7 @@ tbody tr:hover {
             <div class="settings-page">
                 <form class="settings-layout" @submit.prevent="saveSettings()">
                     <div class="settings-column">
-                        <section class="panel">
+                        <section class="panel settings-section settings-section-wide settings-oidc">
                             <div class="panel-head">
                                 <div class="panel-title">
                                     <strong>OIDC</strong>
@@ -2070,6 +2254,7 @@ tbody tr:hover {
                                 <div class="setting-field settings-wide">
                                     <label>Callback URL</label>
                                     <input readonly :value="callbackUrl()" />
+                                    <div class="setting-help">Register this exact redirect URL in your identity provider.</div>
                                 </div>
                                 <div class="setting-field">
                                     <label>
@@ -2105,6 +2290,7 @@ tbody tr:hover {
                                         <span class="source-pill" :class="sourceClass('oidc_admin_groups')" x-text="settingSource('oidc_admin_groups')"></span>
                                     </label>
                                     <input x-model="settingsDraft.oidc_admin_groups" placeholder="/admin,/furumusic-admins" />
+                                    <div class="setting-help">Comma-separated identity-provider groups whose members receive administrator access.</div>
                                 </div>
                                 <div class="setting-field">
                                     <label>
@@ -2112,11 +2298,12 @@ tbody tr:hover {
                                         <span class="source-pill" :class="sourceClass('oidc_user_groups')" x-text="settingSource('oidc_user_groups')"></span>
                                     </label>
                                     <input x-model="settingsDraft.oidc_user_groups" />
+                                    <div class="setting-help">Comma-separated groups allowed to sign in. Leave empty to allow any authenticated OIDC user.</div>
                                 </div>
                             </div>
                         </section>
 
-                        <section class="panel">
+                        <section class="panel settings-section settings-section-wide settings-agent">
                             <div class="panel-head">
                                 <div class="panel-title">
                                     <strong>Agent</strong>
@@ -2134,12 +2321,13 @@ tbody tr:hover {
                                         <input type="checkbox" x-model="settingsDraft.agent_enabled" />
                                     </div>
                                 </div>
-                                <div class="setting-field">
+                                <div class="setting-field settings-short">
                                     <label>
                                         <span>Concurrency</span>
                                         <span class="source-pill" :class="sourceClass('agent_concurrency')" x-text="settingSource('agent_concurrency')"></span>
                                     </label>
                                     <input type="number" min="1" max="32" x-model="settingsDraft.agent_concurrency" />
+                                    <div class="setting-help">Maximum number of inbox items processed at the same time. Higher values use more CPU and LLM capacity.</div>
                                 </div>
                                 <div class="setting-field settings-wide">
                                     <label>
@@ -2161,6 +2349,7 @@ tbody tr:hover {
                                         <span class="source-pill" :class="sourceClass('agent_llm_url')" x-text="settingSource('agent_llm_url')"></span>
                                     </label>
                                     <input x-model="settingsDraft.agent_llm_url" />
+                                    <div class="setting-help">Base URL of an OpenAI-compatible service. The agent sends chat requests to its <code>/v1/chat/completions</code> endpoint.</div>
                                 </div>
                                 <div class="setting-field">
                                     <label>
@@ -2168,6 +2357,7 @@ tbody tr:hover {
                                         <span class="source-pill" :class="sourceClass('agent_llm_model')" x-text="settingSource('agent_llm_model')"></span>
                                     </label>
                                     <input x-model="settingsDraft.agent_llm_model" />
+                                    <div class="setting-help">Model identifier sent to the configured LLM service, for example the name exposed by your local model server.</div>
                                 </div>
                                 <div class="setting-field">
                                     <label>
@@ -2175,6 +2365,7 @@ tbody tr:hover {
                                         <span class="source-pill" :class="sourceClass('agent_llm_auth')" x-text="settingSource('agent_llm_auth')"></span>
                                     </label>
                                     <input type="password" x-model="settingsDraft.agent_llm_auth" autocomplete="off" />
+                                    <div class="setting-help">Complete HTTP Authorization value expected by the LLM endpoint, for example <code>Bearer …</code>.</div>
                                 </div>
                                 <div class="setting-field">
                                     <label>
@@ -2182,6 +2373,7 @@ tbody tr:hover {
                                         <span class="source-pill" :class="sourceClass('agent_confidence_threshold')" x-text="settingSource('agent_confidence_threshold')"></span>
                                     </label>
                                     <input x-model="settingsDraft.agent_confidence_threshold" />
+                                    <div class="setting-help">Minimum confidence required to accept generated metadata automatically. Lower-confidence results are sent for review.</div>
                                 </div>
                                 <div class="setting-field">
                                     <label>
@@ -2189,11 +2381,12 @@ tbody tr:hover {
                                         <span class="source-pill" :class="sourceClass('agent_context_limit')" x-text="settingSource('agent_context_limit')"></span>
                                     </label>
                                     <input x-model="settingsDraft.agent_context_limit" />
+                                    <div class="setting-help">Maximum model context budget in tokens. Reduce it for smaller models or increase it when processing large batches.</div>
                                 </div>
                             </div>
                         </section>
 
-                        <section class="panel">
+                        <section class="panel settings-section settings-section-wide settings-similarity">
                             <div class="panel-head">
                                 <div class="panel-title">
                                     <strong>Similarity Search</strong>
@@ -2210,7 +2403,7 @@ tbody tr:hover {
                                         <span x-text="settingsDraft.similarity_enabled ? 'Enabled for this instance' : 'Disabled'"></span>
                                         <input type="checkbox" x-model="settingsDraft.similarity_enabled" />
                                     </div>
-                                    <div class="setting-help">Downloads the selected model and processes every visible local track. When federation is also enabled, this instance sends anonymized query embeddings to peers and answers their searches.</div>
+                                    <div class="setting-help">Builds an audio fingerprint index for finding musically similar tracks. When federation is enabled, compatible peers can also participate in searches.</div>
                                 </div>
                                 <div class="setting-field settings-wide">
                                     <label>
@@ -2222,7 +2415,10 @@ tbody tr:hover {
                                             <option :value="model.id" x-text="`${model.id} · ${model.dimensions}d`"></option>
                                         </template>
                                     </select>
-                                    <div class="setting-help" x-text="(similarityStatus.models || []).find(model => model.id === settingsDraft.similarity_model)?.license || ''"></div>
+                                    <div class="setting-help">
+                                        <span>The model converts audio into vectors used for comparison. Changing it rebuilds the search index.</span>
+                                        <span x-show="(similarityStatus.models || []).find(model => model.id === settingsDraft.similarity_model)?.license" x-text="' License: ' + (similarityStatus.models || []).find(model => model.id === settingsDraft.similarity_model)?.license"></span>
+                                    </div>
                                 </div>
                                 <div class="setting-field settings-wide">
                                     <label>
@@ -2234,25 +2430,22 @@ tbody tr:hover {
                                             <option :value="profile.id" x-text="profile.title"></option>
                                         </template>
                                     </select>
-                                    <details class="setting-help" style="margin-top:8px">
-                                        <summary style="cursor:pointer">Show profile details</summary>
-                                        <pre style="white-space:pre-wrap;font:inherit;margin:8px 0 0" x-text="selectedSimilarityProfile()?.details || 'Profile details are loading…'"></pre>
-                                    </details>
+                                    <div class="setting-help">Controls how audio is decoded and normalized before comparison. Changing it rebuilds the search index.</div>
                                 </div>
-                                <div class="setting-field">
+                                <div class="setting-field settings-short">
                                     <label>
                                         <span>Background workers</span>
                                         <span class="source-pill" :class="sourceClass('similarity_workers')" x-text="settingSource('similarity_workers')"></span>
                                     </label>
                                     <input type="number" min="1" max="16" step="1" x-model="settingsDraft.similarity_workers" />
-                                    <div class="setting-help">Applied immediately after saving.</div>
+                                    <div class="setting-help">Number of tracks indexed in parallel. Higher values finish sooner but use more CPU and memory.</div>
                                 </div>
                             </div>
                         </section>
                     </div>
 
                     <div class="settings-column settings-side">
-                        <section class="panel">
+                        <section class="panel settings-section settings-section-narrow settings-access">
                             <div class="panel-head">
                                 <div class="panel-title">
                                     <strong>Authentication</strong>
@@ -2283,26 +2476,15 @@ tbody tr:hover {
                             </div>
                         </section>
 
-                        <section class="panel">
+                        <section class="panel settings-section settings-lastfm">
                             <div class="panel-head">
                                 <div class="panel-title">
-                                    <strong>API</strong>
-                                    <span>Developer and enrichment integrations</span>
+                                    <strong>Last.fm Integration</strong>
+                                    <span>Metadata enrichment and scrobbling credentials</span>
                                 </div>
                                 <span class="badge" :class="settings.lastfm_scrobbling_configured ? 'ok' : 'disabled'" x-text="settings.lastfm_scrobbling_configured ? 'Last.fm configured' : 'Last.fm missing'"></span>
                             </div>
                             <div class="settings-grid">
-                                <div class="setting-toggle">
-                                    <label>
-                                        <span>Swagger UI</span>
-                                        <span class="source-pill" :class="sourceClass('swagger_enabled')" x-text="settingSource('swagger_enabled')"></span>
-                                    </label>
-                                    <div class="setting-toggle-row">
-                                        <span x-text="settingsDraft.swagger_enabled ? 'Enabled' : 'Disabled'"></span>
-                                        <input type="checkbox" x-model="settingsDraft.swagger_enabled" />
-                                    </div>
-                                    <div class="setting-help">Interactive API docs at /swagger/ after restart.</div>
-                                </div>
                                 <div class="setting-field">
                                     <label>
                                         <span>{{ t.settings_lastfm_api_key }}</span>
@@ -2322,7 +2504,29 @@ tbody tr:hover {
                             </div>
                         </section>
 
-                        <section class="panel">
+                        <section class="panel settings-section settings-developer">
+                            <div class="panel-head">
+                                <div class="panel-title">
+                                    <strong>Developer API</strong>
+                                    <span>Interactive API documentation</span>
+                                </div>
+                            </div>
+                            <div class="settings-grid">
+                                <div class="setting-toggle settings-wide">
+                                    <label>
+                                        <span>Swagger UI</span>
+                                        <span class="source-pill" :class="sourceClass('swagger_enabled')" x-text="settingSource('swagger_enabled')"></span>
+                                    </label>
+                                    <div class="setting-toggle-row">
+                                        <span x-text="settingsDraft.swagger_enabled ? 'Available at /swagger/' : 'Disabled' "></span>
+                                        <input type="checkbox" x-model="settingsDraft.swagger_enabled" />
+                                    </div>
+                                    <div class="setting-help">Exposes interactive API documentation at <code>/swagger/</code> for developers and integrations.</div>
+                                </div>
+                            </div>
+                        </section>
+
+                        <section class="panel settings-section settings-section-full settings-federation">
                             <div class="panel-head">
                                 <div class="panel-title">
                                     <strong>Federation</strong>
@@ -2330,6 +2534,7 @@ tbody tr:hover {
                                 </div>
                                 <span class="badge" :class="federationStatus.node && federationStatus.node.running ? 'ok' : 'disabled'" x-text="federationStatus.node && federationStatus.node.running ? 'running' : 'stopped'"></span>
                             </div>
+                            <div class="settings-federation-body">
                             <div class="settings-grid">
                                 <div class="setting-toggle">
                                     <label>
@@ -2340,7 +2545,7 @@ tbody tr:hover {
                                         <span x-text="settingsDraft.federation_enabled ? 'Enabled' : 'Disabled'"></span>
                                         <input type="checkbox" x-model="settingsDraft.federation_enabled" />
                                     </div>
-                                    <div class="setting-help">Applies immediately on save — no restart needed. Peers can browse and stream every visible track.</div>
+                                    <div class="setting-help">Lets other peers in this logical network discover the visible library and request audio streams from this instance.</div>
                                 </div>
                                 <div class="setting-field settings-wide">
                                     <label>
@@ -2348,9 +2553,9 @@ tbody tr:hover {
                                         <span class="source-pill" :class="sourceClass('federation_network_id')" x-text="settingSource('federation_network_id')"></span>
                                     </label>
                                     <input x-model="settingsDraft.federation_network_id" placeholder="my-crew-music-7f3a" autocomplete="off" />
-                                    <div class="setting-help">Every peer using the same id finds the others automatically.</div>
+                                    <div class="setting-help">Peers with the same Network ID form one isolated logical network and discover each other automatically. You may choose any private value; use the exact same value on every peer that should join this network.</div>
                                 </div>
-                                <div class="setting-field">
+                                <div class="setting-field settings-wide">
                                     <label>
                                         <span>Save federated tracks on play</span>
                                         <span class="source-pill" :class="sourceClass('federation_save_on_listen')" x-text="settingSource('federation_save_on_listen')"></span>
@@ -2359,19 +2564,21 @@ tbody tr:hover {
                                         <span x-text="settingsDraft.federation_save_on_listen ? 'Import into the shared library' : 'Use temporary cache'"></span>
                                         <input type="checkbox" x-model="settingsDraft.federation_save_on_listen" />
                                     </div>
-                                    <div class="setting-help">Server-wide policy. Imported tracks become available to every user and are published by this peer. Federation metadata is trusted and bypasses the AI agent.</div>
+                                    <div class="setting-help">When enabled, a federated track is permanently imported after playback and becomes available to every local user. Otherwise it remains only in the temporary cache. Imported peer metadata is trusted as provided and does not enter AI review.</div>
                                 </div>
                             </div>
                             <div class="probe-body" x-show="federationStatus.node">
+                                <div class="federation-status-grid">
                                 <div class="probe-table" x-show="federationStatus.node && federationStatus.node.running">
                                     <div class="probe-row"><span>Endpoint</span><strong x-text="fedShort(federationStatus.node && federationStatus.node.endpoint_id)"></strong></div>
                                     <div class="probe-row"><span>Network</span><strong x-text="(federationStatus.node && federationStatus.node.network) || '-'"></strong></div>
                                     <div class="probe-row"><span>Connected peers</span><strong x-text="federationStatus.node && federationStatus.node.connected_peers ? federationStatus.node.connected_peers.length : 0"></strong></div>
                                     <div class="probe-row"><span>Known contacts</span><strong x-text="(federationStatus.node && federationStatus.node.known_contacts) ?? '-'"></strong></div>
+                                    <div class="probe-row"><span>Similarity routing peers</span><strong x-text="(federationStatus.node && federationStatus.node.similarity_routing_peers) ?? '-'"></strong></div>
                                     <div class="probe-row"><span>Published items</span><strong x-text="(federationStatus.node && federationStatus.node.published_items) ?? '-'"></strong></div>
                                     <div class="probe-row"><span>Last sync</span><strong x-text="federationStatus.last_sync || 'not yet'"></strong></div>
                                 </div>
-                                <div class="probe-table" x-show="fedTransport().total_samples > 0" style="margin-top:10px">
+                                <div class="probe-table" x-show="fedTransport().total_samples > 0">
                                     <div class="probe-row">
                                         <span>Transport path</span>
                                         <strong>
@@ -2383,23 +2590,34 @@ tbody tr:hover {
                                     <div class="probe-row"><span>Protocols</span><strong x-text="`${fedTransport().audio_samples || 0} audio · ${fedTransport().catalog_samples || 0} catalog · ${fedTransport().similarity_samples || 0} similarity · ${fedTransport().sync_samples || 0} sync`"></strong></div>
                                     <div class="probe-row"><span>Last peer</span><strong x-text="fedShort(fedTransport().last_peer)"></strong></div>
                                 </div>
-                                <div class="probe-table" x-show="fedTransport().last && fedTransport().last.length" style="margin-top:10px">
-                                    <template x-for="(sample, index) in fedTransport().last.slice(0, 5)" :key="`${sample.at}-${sample.protocol}-${sample.direction}-${sample.phase}-${sample.peer_id}-${index}`">
-                                        <div class="probe-row">
-                                            <span x-text="`${sample.protocol} · ${sample.direction} · ${sample.phase}`"></span>
-                                            <strong>
-                                                <span class="badge" :class="fedPathBadge(sample.selected_path)" x-text="sample.selected_path || 'unknown'"></span>
-                                                <span x-text="` ${fedRtt(sample.selected_rtt_ms)} · tx ${formatBytes(sample.total_tx_bytes || 0)} · rx ${formatBytes(sample.total_rx_bytes || 0)} · lost ${formatBytes(sample.lost_bytes || 0)}`"></span>
-                                            </strong>
+                                <div class="transport-log" x-show="fedTransport().last && fedTransport().last.length">
+                                    <div class="transport-log-head">
+                                        <strong>Recent transport operations</strong>
+                                        <span>Newest first · updates automatically</span>
+                                    </div>
+                                    <div class="transport-log-scroll">
+                                        <div class="transport-row transport-header">
+                                            <span>Time</span><span>User / peer</span><span>Protocol</span><span>Direction</span><span>Phase</span><span>Path</span><span class="transport-number">RTT</span><span class="transport-number">TX</span><span class="transport-number">RX</span><span class="transport-number">Lost</span>
                                         </div>
-                                    </template>
+                                        <template x-for="(sample, index) in fedTransport().last" :key="`${sample.at}-${sample.protocol}-${sample.direction}-${sample.phase}-${sample.peer_id}-${index}`">
+                                            <div class="transport-row">
+                                                <span :title="sample.at" x-text="formatTransportTime(sample.at)"></span>
+                                                <span :title="sample.user_name || sample.peer_id" x-text="sample.user_name || fedShort(sample.peer_id)"></span>
+                                                <span x-text="sample.protocol || '-'"></span>
+                                                <span x-text="sample.direction || '-'"></span>
+                                                <span x-text="sample.phase || '-'"></span>
+                                                <span x-text="sample.selected_path || 'unknown'"></span>
+                                                <span class="transport-number" x-text="fedRtt(sample.selected_rtt_ms)"></span>
+                                                <span class="transport-number" x-text="formatBytes(sample.total_tx_bytes || 0)"></span>
+                                                <span class="transport-number" x-text="formatBytes(sample.total_rx_bytes || 0)"></span>
+                                                <span class="transport-number" x-text="formatBytes(sample.lost_bytes || 0)"></span>
+                                            </div>
+                                        </template>
+                                    </div>
+                                </div>
                                 </div>
                                 <p class="probe-intro muted" x-show="federationStatus.last_error" x-text="federationStatus.last_error"></p>
                                 <div class="toolbar" style="margin-top:14px; flex-wrap:wrap; gap:8px">
-                                    <button class="btn" type="button" @click="loadFederation()" :disabled="federationLoading">
-                                        <i data-lucide="refresh-cw"></i>
-                                        Refresh
-                                    </button>
                                     <button class="btn" type="button" @click="fedSyncNow()" :disabled="federationLoading || !(federationStatus.node && federationStatus.node.running)">
                                         <i data-lucide="upload-cloud"></i>
                                         Publish now
@@ -2421,13 +2639,14 @@ tbody tr:hover {
                                     </div>
                                 </div>
                             </div>
+                            </div>
                         </section>
 
-                        <section class="panel">
+                        <section class="panel settings-section settings-section-narrow settings-similarity-status">
                             <div class="panel-head">
                                 <div class="panel-title">
-                                    <strong>Similarity Status</strong>
-                                    <span>Model download, indexing, and active profile</span>
+                                    <strong>Search Index Statistics</strong>
+                                    <span>Similarity model, indexing progress, and storage</span>
                                 </div>
                                 <span class="badge" :class="similarityBadge()" x-text="similarityStatus.status?.phase || 'disabled'"></span>
                             </div>
@@ -2444,15 +2663,15 @@ tbody tr:hover {
                                     <div class="probe-row"><span>Stored</span><strong x-text="`${similarityStatus.status?.stored_vectors || 0} vectors · ${formatBytes(similarityStatus.status?.stored_bytes || 0)}`"></strong></div>
                                     <div class="probe-row" x-show="similarityStatus.status?.current_track"><span>Current track</span><strong x-text="similarityStatus.status?.current_track"></strong></div>
                                 </div>
+                                <div class="similarity-profile-details">
+                                    <span>Selected preprocessing profile</span>
+                                    <pre x-text="selectedSimilarityProfile()?.details || 'Profile information is not available.'"></pre>
+                                </div>
                                 <div style="height:6px;background:rgba(255,255,255,.08);border-radius:999px;overflow:hidden;margin-top:12px" x-show="similarityStatus.status?.phase === 'processing'">
                                     <div style="height:100%;background:var(--accent);transition:width .25s" :style="`width:${similarityProgress()}%`"></div>
                                 </div>
                                 <p class="probe-intro muted" x-show="similarityStatus.status?.last_error" x-text="similarityStatus.status?.last_error"></p>
                                 <div class="toolbar" style="margin-top:14px;flex-wrap:wrap;gap:8px">
-                                    <button class="btn" type="button" @click="loadSimilarity()" :disabled="similarityLoading">
-                                        <i data-lucide="refresh-cw"></i>
-                                        Refresh
-                                    </button>
                                     <button class="btn danger" type="button" @click="clearSimilarityEmbeddings()" :disabled="similarityLoading || !(similarityStatus.status?.stored_vectors > 0)">
                                         <i data-lucide="trash-2"></i>
                                         Clear all embeddings
@@ -2461,7 +2680,7 @@ tbody tr:hover {
                             </div>
                         </section>
 
-                        <section class="panel">
+                        <section class="panel settings-section settings-section-narrow settings-agent-status">
                             <div class="panel-head">
                                 <div class="panel-title">
                                     <strong>Agent Status</strong>
@@ -2492,10 +2711,6 @@ tbody tr:hover {
                     <div class="action-strip settings-actions">
                         <span class="selection-summary">Settings are stored as database overrides unless an environment variable wins.</span>
                         <div class="toolbar">
-                            <button class="btn" type="button" @click="loadSettings()">
-                                <i data-lucide="refresh-cw"></i>
-                                Reload
-                            </button>
                             <button class="btn primary" type="submit" :disabled="settingsSaving">
                                 <i :data-lucide="settingsSaving ? 'loader-circle' : 'save'"></i>
                                 <span x-text="settingsSaving ? 'Saving...' : 'Save settings'"></span>
@@ -2567,7 +2782,7 @@ tbody tr:hover {
                             <div class="user-activity-row">
                                 <div class="user-activity-cover">
                                     <template x-if="play.cover_url">
-                                        <img :src="play.cover_url" :alt="play.release_title || play.title" loading="lazy">
+                                        <img :src="play.cover_url" alt="" aria-hidden="true" loading="lazy">
                                     </template>
                                     <template x-if="!play.cover_url">
                                         <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><rect x="3" y="3" width="18" height="18" rx="2"/><circle cx="12" cy="12" r="4"/></svg>
@@ -3496,6 +3711,17 @@ function adminV2() {
             return ms != null ? `${Math.round(Number(ms))} ms` : '-';
         },
 
+        formatTransportTime(value) {
+            const date = new Date(value);
+            if (!value || Number.isNaN(date.getTime())) return '-';
+            return date.toLocaleTimeString([], {
+                hour: '2-digit',
+                minute: '2-digit',
+                second: '2-digit',
+                hour12: false
+            });
+        },
+
         async loadSettingsProbe(showErrors = true) {
             this.settingsProbeLoading = true;
             try {

templates/player/modals.html

@@ -85,7 +85,7 @@
         </div>
     </template>
 
-    <!-- Torrent Import Modal -->
+    <!-- Download Manager Modal -->
     <template x-if="$store.torrents.modal">
         <div class="modal-overlay" @click.self="$store.torrents.close()">
             <div class="modal-box torrent-modal">
@@ -107,25 +107,43 @@
                     </button>
                     <div class="torrent-client-status">
                         <span class="torrent-status-pill"
+                              x-show="$store.torrents.sourceTab === 'torrents'"
                               :class="{ active: $store.torrents.activeCount() > 0 }"
                               x-text="$store.torrents.clientSummary()"></span>
+                        <span class="torrent-status-pill"
+                              x-show="$store.torrents.sourceTab === 'youtube'"
+                              :class="{ active: $store.torrents.youtubeActiveCount() > 0 }"
+                              x-text="$store.torrents.youtubeSummary()"></span>
                         <span class="torrent-status-pill torrent-agent-pill"
                               :class="{ active: $store.torrents.agentBusy() }">
                             <span class="torrent-agent-dot"></span>
                             <span x-text="$store.torrents.agentSummary()"></span>
                         </span>
                         <span class="torrent-status-pill"
+                              x-show="$store.torrents.sourceTab === 'torrents'"
                               x-text="$store.torrents.sessions.length + ' ' + T.saved"></span>
+                        <span class="torrent-status-pill"
+                              x-show="$store.torrents.sourceTab === 'youtube'"
+                              x-text="$store.torrents.youtubeJobs.length + ' ' + T.saved"></span>
+                        <span class="torrent-status-pill"
+                              x-show="$store.torrents.sourceTab === 'files'"
+                              x-text="$store.torrents.localUploadHistory.length + ' ' + T.saved"></span>
                     </div>
                 </div>
 
-                <div class="torrent-tabs">
+                <div class="torrent-tabs download-source-tabs">
                     <button class="torrent-tab-btn"
-                            :class="{ active: $store.torrents.activeTab === 'import' }"
-                            @click="$store.torrents.showImportTab()">{{ t.player_import }}</button>
+                            :class="{ active: $store.torrents.sourceTab === 'youtube' }"
+                            @click="$store.torrents.showSourceTab('youtube')">{{ t.player_youtube }}</button>
                     <button class="torrent-tab-btn"
-                            :class="{ active: $store.torrents.activeTab === 'uploads' }"
-                            @click="$store.torrents.showUploadsTab()">
+                            :class="{ active: $store.torrents.sourceTab === 'torrents' }"
+                            @click="$store.torrents.showSourceTab('torrents')">{{ t.player_torrents }}</button>
+                    <button class="torrent-tab-btn"
+                            :class="{ active: $store.torrents.sourceTab === 'files' }"
+                            @click="$store.torrents.showSourceTab('files')">{{ t.player_files }}</button>
+                    <button class="torrent-tab-btn"
+                            :class="{ active: $store.torrents.sourceTab === 'uploads' }"
+                            @click="$store.torrents.showSourceTab('uploads')">
                         <span>{{ t.player_my_uploads }}</span>
                         <span class="torrent-tab-count"
                               x-show="$store.torrents.uploadPendingTotal + $store.torrents.uploadQueuedTotal > 0"
@@ -133,7 +151,173 @@
                     </button>
                 </div>
 
-                <template x-if="$store.torrents.activeTab === 'import'">
+                <div class="youtube-manager-panel" x-show="$store.torrents.sourceTab === 'youtube'">
+                    <form class="youtube-download-form" @submit.prevent="$store.torrents.previewYoutubeUrl()">
+                        <label for="youtube-download-url">{{ t.player_youtube_url }}</label>
+                        <div class="youtube-download-form-row">
+                            <input id="youtube-download-url"
+                                   type="text"
+                                   inputmode="url"
+                                   autocomplete="url"
+                                   x-model="$store.torrents.youtubeUrl"
+                                   @input="$store.torrents.clearYoutubePreview()"
+                                   placeholder="https://www.youtube.com/watch?v=...">
+                            <button type="submit"
+                                    class="modal-btn modal-btn-primary"
+                                    :disabled="$store.torrents.youtubePreviewLoading || $store.torrents.youtubeSubmitting || !$store.torrents.youtubeUrl.trim()">
+                                <span x-text="$store.torrents.youtubePreviewLoading ? T.youtubeParsing : T.youtubeParse"></span>
+                            </button>
+                        </div>
+                        <p class="youtube-download-hint">{{ t.player_youtube_url_hint }}</p>
+                    </form>
+
+                    <template x-if="$store.torrents.youtubePreview">
+                        <section class="youtube-preview-card">
+                            <div class="youtube-preview-head">
+                                <div>
+                                    <h4>{{ t.player_youtube_preview_title }}</h4>
+                                    <p>
+                                        <strong x-text="$store.torrents.youtubePreview.title"></strong>
+                                        <span> · </span>
+                                        <span x-text="$store.torrents.youtubePreview.items.length + ' ' + T.youtubeItems"></span>
+                                    </p>
+                                </div>
+                                <div class="youtube-preview-controls">
+                                    <button type="button" class="modal-btn modal-btn-ghost"
+                                            @click="$store.torrents.selectAllYoutubePreview()">{{ t.player_youtube_select_all }}</button>
+                                    <button type="button" class="modal-btn modal-btn-ghost"
+                                            @click="$store.torrents.clearYoutubePreviewSelection()">{{ t.player_youtube_clear_selection }}</button>
+                                </div>
+                            </div>
+                            <div class="youtube-preview-list">
+                                <template x-for="item in $store.torrents.youtubePreview.items" :key="item.source_id">
+                                    <label class="youtube-preview-row"
+                                           :class="{ selected: $store.torrents.youtubePreviewIsSelected(item.source_id) }">
+                                        <input type="checkbox"
+                                               :checked="$store.torrents.youtubePreviewIsSelected(item.source_id)"
+                                               @change="$store.torrents.toggleYoutubePreviewItem(item.source_id)">
+                                        <span class="youtube-item-index" x-text="String(item.playlist_index).padStart(2, '0')"></span>
+                                        <span class="youtube-preview-item-title" x-text="item.title"></span>
+                                    </label>
+                                </template>
+                            </div>
+                            <div class="youtube-preview-footer">
+                                <span x-text="$store.torrents.youtubePreviewSelectedCount() + ' ' + T.youtubeSelectedCount"></span>
+                                <div>
+                                    <button type="button" class="modal-btn modal-btn-ghost"
+                                            @click="$store.torrents.clearYoutubePreview()">{{ t.player_cancel }}</button>
+                                    <button type="button" class="modal-btn modal-btn-primary"
+                                            @click="$store.torrents.startYoutubeDownload()"
+                                            :disabled="$store.torrents.youtubeSubmitting || $store.torrents.youtubePreviewSelectedCount() === 0">
+                                        {{ t.player_youtube_start_import }}
+                                    </button>
+                                </div>
+                            </div>
+                        </section>
+                    </template>
+
+                    <div class="youtube-download-list-head">
+                        <span>{{ t.player_youtube_downloads }}</span>
+                        <button class="modal-btn modal-btn-ghost"
+                                @click="$store.torrents.loadYoutubeJobs()"
+                                :disabled="$store.torrents.youtubeLoading">{{ t.player_refresh }}</button>
+                    </div>
+
+                    <div class="youtube-download-list">
+                        <template x-if="!$store.torrents.youtubeLoading && $store.torrents.youtubeJobs.length === 0">
+                            <div class="empty-state youtube-empty-state">
+                                <p>{{ t.player_no_youtube_downloads }}</p>
+                            </div>
+                        </template>
+
+                        <template x-for="job in $store.torrents.youtubeJobs" :key="job.id">
+                            <article class="youtube-job-card">
+                                <div class="youtube-job-head">
+                                    <div class="youtube-job-heading">
+                                        <div class="youtube-job-title" x-text="job.title"></div>
+                                        <div class="youtube-job-meta" x-text="$store.torrents.youtubeJobMeta(job)"></div>
+                                    </div>
+                                    <span class="torrent-status-badge"
+                                          :class="$store.torrents.youtubeStatusClass(job.status)"
+                                          x-text="$store.torrents.youtubeStatusLabel(job.status)"></span>
+                                </div>
+
+                                <div class="youtube-job-progress">
+                                    <div class="torrent-session-progress">
+                                        <div class="torrent-session-progress-bar"
+                                             :style="'width:' + $store.torrents.youtubeJobProgress(job) + '%'">
+                                        </div>
+                                    </div>
+                                    <span x-text="$store.torrents.youtubeJobProgressText(job)"></span>
+                                </div>
+
+                                <p class="youtube-job-error" x-show="job.error" x-text="job.error"></p>
+
+                                <div class="youtube-item-list">
+                                    <template x-for="item in job.items" :key="item.id">
+                                        <div class="youtube-item-row" :class="{ failed: $store.torrents.youtubeIsError(item.status) }">
+                                            <div class="youtube-item-head">
+                                                <span class="youtube-item-index" x-text="String(item.playlist_index).padStart(2, '0')"></span>
+                                                <div class="youtube-item-main">
+                                                    <div class="youtube-item-title" x-text="item.title"></div>
+                                                    <div class="youtube-item-meta" x-text="$store.torrents.youtubeItemMeta(item)"></div>
+                                                </div>
+                                                <span class="torrent-status-badge"
+                                                      :class="$store.torrents.youtubeStatusClass(item.status)"
+                                                      x-text="$store.torrents.youtubeStatusLabel(item.status)"></span>
+                                            </div>
+
+                                            <div class="youtube-item-download-progress" x-show="item.status === 'downloading'">
+                                                <div class="torrent-session-progress">
+                                                    <div class="torrent-session-progress-bar"
+                                                         :style="'width:' + Number(item.progress_percent || 0) + '%'">
+                                                    </div>
+                                                </div>
+                                                <span x-text="$store.torrents.youtubeDownloadMeta(item)"></span>
+                                            </div>
+
+                                            <div class="youtube-step-list" aria-label="{{ t.player_download_steps }}">
+                                                <span class="youtube-step" :class="$store.torrents.youtubeStepClass(item, 1)">
+                                                    <i></i><b>{{ t.player_downloading }}</b>
+                                                </span>
+                                                <span class="youtube-step" :class="$store.torrents.youtubeStepClass(item, 2)">
+                                                    <i></i><b>FFmpeg</b>
+                                                </span>
+                                                <span class="youtube-step" :class="$store.torrents.youtubeStepClass(item, 3)">
+                                                    <i></i><b>{{ t.player_ai_prefix }}</b>
+                                                </span>
+                                                <span class="youtube-step" :class="$store.torrents.youtubeStepClass(item, 4)">
+                                                    <i></i><b x-text="$store.torrents.youtubeFinalStepLabel(item)"></b>
+                                                </span>
+                                            </div>
+                                            <p class="youtube-item-error"
+                                               x-show="item.error"
+                                               x-text="item.error"></p>
+                                        </div>
+                                    </template>
+                                </div>
+
+                                <div class="youtube-job-actions">
+                                    <button class="modal-btn modal-btn-ghost"
+                                            x-show="job.review_items > 0 || job.items.some(item => item.status === 'ai_failed')"
+                                            @click="$store.torrents.openYoutubeReviews()">{{ t.player_my_uploads }}</button>
+                                    <button class="modal-btn modal-btn-pause"
+                                            x-show="$store.torrents.youtubeJobCancellable(job.status)"
+                                            :disabled="$store.torrents.youtubeCancellingIds.has(job.id)"
+                                            @click="$store.torrents.cancelYoutubeJob(job.id)">{{ t.player_youtube_stop }}</button>
+                                    <button class="modal-btn modal-btn-pause"
+                                            x-show="job.status !== 'cancelled' && (job.items.some(item => item.status === 'failed') || (job.status === 'failed' && job.total_items === 0))"
+                                            @click="$store.torrents.retryYoutubeJob(job.id)">{{ t.player_retry_failed }}</button>
+                                    <button class="modal-btn modal-btn-danger"
+                                            x-show="$store.torrents.youtubeJobTerminal(job.status)"
+                                            @click="$store.torrents.removeYoutubeJob(job.id)">{{ t.player_remove_from_history }}</button>
+                                </div>
+                            </article>
+                        </template>
+                    </div>
+                </div>
+
+                <div class="download-torrent-panel" x-show="$store.torrents.sourceTab === 'torrents'">
                 <div class="torrent-manager-layout">
                     <aside class="torrent-manager-sidebar">
                         <div class="torrent-manager-title">
@@ -173,7 +357,7 @@
                                     @click="$store.torrents.addNew()"
                                     :disabled="$store.torrents.loading">
                                 <span class="torrent-session-add-icon">+</span>
-                                <span>{{ t.player_upload }}</span>
+                                <span>{{ t.player_add_torrent }}</span>
                             </button>
                         </div>
                     </aside>
@@ -188,12 +372,6 @@
                         <template x-if="$store.torrents.isImporting()">
                             <div class="torrent-import-panel">
                                 <div class="torrent-modal-grid">
-                                    <div>
-                                        <label for="local-file-input">{{ t.player_local_files }}</label>
-                                        <input id="local-file-input" type="file" multiple accept="audio/*,.mp3,.flac,.wav,.m4a,.ogg,.opus,.aac"
-                                               @change="$store.torrents.setLocalFiles($event.target.files)">
-                                        <div class="torrent-upload-summary" x-text="$store.torrents.localUploadSummary()"></div>
-                                    </div>
                                     <div>
                                         <label for="torrent-magnet-input">{{ t.player_magnet_link }}</label>
                                         <input id="torrent-magnet-input" type="text"
@@ -206,17 +384,6 @@
                                                @change="$store.torrents.file = $event.target.files[0] || null">
                                     </div>
                                 </div>
-                                <div class="torrent-upload-progress"
-                                    x-show="$store.torrents.uploadProgress > 0 || ($store.torrents.localFiles.length > 0 && $store.torrents.loading)">
-                                    <div class="torrent-progress-head">
-                                        <span x-text="$store.torrents.uploadProgress >= 100 ? T.uploadComplete : T.uploadingFiles"></span>
-                                        <span x-text="$store.torrents.uploadProgressText"></span>
-                                    </div>
-                                    <div class="torrent-progress-track">
-                                        <div class="torrent-progress-bar"
-                                             :style="'width:' + $store.torrents.uploadProgress + '%'"></div>
-                                    </div>
-                                </div>
                                 <div class="torrent-actions">
                                     <button class="modal-btn modal-btn-primary" @click="$store.torrents.preview()" :disabled="$store.torrents.loading">
                                         {{ t.player_upload_content }}
@@ -282,7 +449,7 @@
                                 <button class="modal-btn modal-btn-danger"
                                         @click="$store.torrents.removeSession($store.torrents.previewData.id)"
                                         :disabled="$store.torrents.loading">
-                                    {{ t.player_delete }}
+                                    {{ t.player_remove_from_history }}
                                 </button>
                             </div>
                         </div>
@@ -341,9 +508,87 @@
                 </template>
                     </section>
                 </div>
-                </template>
+                </div>
 
-                <template x-if="$store.torrents.activeTab === 'uploads'">
+                <section class="file-upload-panel" x-show="$store.torrents.sourceTab === 'files'">
+                    <input id="direct-audio-file-input"
+                           class="file-upload-input"
+                           type="file"
+                           multiple
+                           accept="audio/*,.mp3,.flac,.wav,.m4a,.ogg,.opus,.aac"
+                           @change="$store.torrents.setLocalFiles($event.target.files); $event.target.value = ''">
+                    <label class="file-drop-zone"
+                           for="direct-audio-file-input"
+                           :class="{ dragging: $store.torrents.localFilesDragging }"
+                           @dragenter.prevent="$store.torrents.localFilesDragging = true"
+                           @dragover.prevent="$store.torrents.localFilesDragging = true"
+                           @dragleave.prevent="$store.torrents.leaveLocalFileDrop($event)"
+                           @drop.prevent="$store.torrents.dropLocalFiles($event)">
+                        <span class="file-drop-icon" aria-hidden="true">
+                            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8">
+                                <path d="M12 16V4"/><polyline points="7 9 12 4 17 9"/>
+                                <path d="M5 14v4a2 2 0 002 2h10a2 2 0 002-2v-4"/>
+                            </svg>
+                        </span>
+                        <strong>{{ t.player_drop_audio_title }}</strong>
+                        <span>{{ t.player_drop_audio_hint }}</span>
+                        <small>{{ t.player_drop_audio_formats }}</small>
+                    </label>
+
+                    <div class="file-upload-selection" x-show="$store.torrents.localFiles.length > 0">
+                        <span x-text="$store.torrents.localUploadSummary()"></span>
+                        <div>
+                            <button type="button" class="modal-btn modal-btn-ghost"
+                                    @click="$store.torrents.clearLocalFiles()"
+                                    :disabled="$store.torrents.localFilesUploading">{{ t.player_cancel }}</button>
+                            <button type="button" class="modal-btn modal-btn-primary"
+                                    @click="$store.torrents.uploadLocalFiles()"
+                                    :disabled="$store.torrents.localFilesUploading">{{ t.player_upload_selected_files }}</button>
+                        </div>
+                    </div>
+
+                    <div class="torrent-upload-progress"
+                         x-show="$store.torrents.localFilesUploading || $store.torrents.uploadProgress > 0">
+                        <div class="torrent-progress-head">
+                            <span x-text="$store.torrents.uploadProgress >= 100 ? T.uploadComplete : T.uploadingFiles"></span>
+                            <span x-text="$store.torrents.uploadProgressText"></span>
+                        </div>
+                        <div class="torrent-progress-track">
+                            <div class="torrent-progress-bar"
+                                 :style="'width:' + $store.torrents.uploadProgress + '%'"></div>
+                        </div>
+                    </div>
+
+                    <div class="youtube-download-list-head file-upload-history-head">
+                        <span>{{ t.player_upload_history }}</span>
+                        <button class="modal-btn modal-btn-ghost"
+                                @click="$store.torrents.loadLocalUploadHistory()"
+                                :disabled="$store.torrents.localUploadHistoryLoading">{{ t.player_refresh }}</button>
+                    </div>
+
+                    <div class="file-upload-history">
+                        <template x-if="!$store.torrents.localUploadHistoryLoading && $store.torrents.localUploadHistory.length === 0">
+                            <div class="empty-state youtube-empty-state"><p>{{ t.player_no_file_uploads }}</p></div>
+                        </template>
+                        <template x-for="item in $store.torrents.localUploadHistory" :key="item.id">
+                            <article class="file-upload-history-row">
+                                <div class="file-upload-history-main">
+                                    <div class="file-upload-history-title" x-text="item.filename"></div>
+                                    <div class="file-upload-history-meta"
+                                         x-text="$store.torrents.bytes(item.size_bytes) + ' · ' + $store.torrents.formatUploadDate(item.created_at)"></div>
+                                    <p class="youtube-item-error" x-show="item.error" x-text="item.error"></p>
+                                </div>
+                                <span class="torrent-status-badge"
+                                      :class="$store.torrents.youtubeStatusClass(item.status)"
+                                      x-text="$store.torrents.youtubeStatusLabel(item.status)"></span>
+                                <button class="modal-btn modal-btn-danger"
+                                        @click="$store.torrents.removeLocalUploadHistory(item.id)">{{ t.player_remove_from_history }}</button>
+                            </article>
+                        </template>
+                    </div>
+                </section>
+
+                <template x-if="$store.torrents.sourceTab === 'uploads'">
                     <section class="upload-manager-panel">
                         <div class="upload-manager-head">
                             <div>
@@ -825,7 +1070,7 @@
                                     @click.stop="$store.history.playFrom(idx)"
                                     :title="item.track?.title || item.track_title">
                                 <template x-if="item.track && item.track.cover_url">
-                                    <img :src="item.track.cover_url" :alt="item.track.title" loading="lazy">
+                                    <img :src="item.track.cover_url" alt="" aria-hidden="true" loading="lazy">
                                 </template>
                                 <template x-if="!item.track || !item.track.cover_url">
                                     <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><rect x="3" y="3" width="18" height="18" rx="2"/><circle cx="12" cy="12" r="4"/></svg>

templates/player/scripts.html

@@ -136,6 +136,42 @@ const T = {
     openTorrentFailed: "{{ t.player_open_torrent_failed }}",
     deleteTorrentFailed: "{{ t.player_delete_torrent_failed }}",
     loadAiQueueFailed: "{{ t.player_load_ai_queue_failed }}",
+    fileUploadLoadFailed: "{{ t.player_file_upload_load_failed }}",
+    removeFileUploadConfirm: "{{ t.player_remove_file_upload_confirm }}",
+    fileUploadHistoryRemoved: "{{ t.player_file_upload_history_removed }}",
+    fileUploadHistoryRemoveFailed: "{{ t.player_file_upload_history_remove_failed }}",
+    noSupportedAudioFiles: "{{ t.player_no_supported_audio_files }}",
+    youtubeQueued: "{{ t.player_youtube_queued }}",
+    youtubeResolving: "{{ t.player_youtube_resolving }}",
+    youtubePostprocessing: "{{ t.player_youtube_postprocessing }}",
+    youtubeAwaitingAi: "{{ t.player_youtube_awaiting_ai }}",
+    youtubeAiProcessing: "{{ t.player_youtube_ai_processing }}",
+    youtubeNeedsReview: "{{ t.player_youtube_needs_review }}",
+    youtubeCompleteWithErrors: "{{ t.player_youtube_complete_with_errors }}",
+    youtubeSkipped: "{{ t.player_youtube_skipped }}",
+    youtubeStarting: "{{ t.player_youtube_starting }}",
+    youtubeStarted: "{{ t.player_youtube_started }}",
+    youtubeLoadFailed: "{{ t.player_youtube_load_failed }}",
+    youtubeStartFailed: "{{ t.player_youtube_start_failed }}",
+    youtubeRetryFailed: "{{ t.player_youtube_retry_failed }}",
+    youtubeDeleteFailed: "{{ t.player_youtube_delete_failed }}",
+    youtubeDeleteConfirm: "{{ t.player_youtube_delete_confirm }}",
+    youtubeParse: "{{ t.player_youtube_parse }}",
+    youtubeParsing: "{{ t.player_youtube_parsing }}",
+    youtubePreviewFailed: "{{ t.player_youtube_preview_failed }}",
+    youtubeSelectAll: "{{ t.player_youtube_select_all }}",
+    youtubeClearSelection: "{{ t.player_youtube_clear_selection }}",
+    youtubeSelectedCount: "{{ t.player_youtube_selected_count }}",
+    youtubeCancelled: "{{ t.player_youtube_cancelled }}",
+    youtubeStopConfirm: "{{ t.player_youtube_stop_confirm }}",
+    youtubeStopping: "{{ t.player_youtube_stopping }}",
+    youtubeStopped: "{{ t.player_youtube_stopped }}",
+    youtubeStopFailed: "{{ t.player_youtube_stop_failed }}",
+    youtubeVideo: "{{ t.player_youtube_video }}",
+    youtubePlaylist: "{{ t.player_youtube_playlist }}",
+    youtubeItems: "{{ t.player_youtube_items }}",
+    youtubeErrors: "{{ t.player_youtube_errors }}",
+    chapters: "{{ t.player_chapters }}",
     deletePlaylistConfirm: "{{ t.player_delete_playlist_confirm }}",
     albums: "{{ t.player_albums }}",
     eps: "{{ t.player_eps }}",
@@ -2198,6 +2234,8 @@ document.addEventListener('alpine:init', () => {
         _dragOverIdx: null,
         _pointerDragMove: null,
         _pointerDragEnd: null,
+        _playNextGroupId: null,
+        _playNextGroupSequence: 0,
 
         add(track) {
             this.addToEnd([track]);
@@ -2210,13 +2248,21 @@ document.addEventListener('alpine:init', () => {
 
         effectiveCurrentIndex() {
             const currentTrack = Alpine.store('player')?.currentTrack || null;
-            if (currentTrack?.id) {
-                return this.tracks.findIndex(track => Number(track?.id) === Number(currentTrack.id));
+            const currentKey = this._trackIdentity(currentTrack);
+            if (currentKey) {
+                const index = this.tracks.findIndex(track => this._trackIdentity(track) === currentKey);
+                if (index >= 0) return index;
             }
             if (!this.tracks.length) return -1;
             return Math.max(0, Math.min(Number(this.currentIndex || 0), this.tracks.length - 1));
         },
 
+        _trackIdentity(track) {
+            if (track?.content_id) return `content:${track.content_id}`;
+            if (track?.id != null && track.id !== '') return `id:${String(track.id)}`;
+            return '';
+        },
+
         queueItemState(index) {
             const current = this.effectiveCurrentIndex();
             if (current < 0) return 'upcoming';
@@ -2252,8 +2298,9 @@ document.addEventListener('alpine:init', () => {
         },
 
         syncCurrentIndexToTrack(track) {
-            if (!track?.id || !this.tracks.length) return -1;
-            const index = this.tracks.findIndex(item => Number(item?.id) === Number(track.id));
+            const key = this._trackIdentity(track);
+            if (!key || !this.tracks.length) return -1;
+            const index = this.tracks.findIndex(item => this._trackIdentity(item) === key);
             if (index >= 0) this.currentIndex = index;
             return index;
         },
@@ -2280,6 +2327,7 @@ document.addEventListener('alpine:init', () => {
 
         playRelease(tracks, startIndex) {
             this.tracks = this._tracksForQueueAdd(tracks);
+            this._playNextGroupId = null;
             this.playFromIndex(startIndex || 0);
         },
 
@@ -2447,8 +2495,35 @@ document.addEventListener('alpine:init', () => {
         _addNextLocal(tracks) {
             const items = this._tracksWithJamDefaults(tracks);
             if (!items.length) return;
-            const insertAt = Math.min(this.currentIndex + 1, this.tracks.length);
-            this.tracks.splice(insertAt, 0, ...items);
+            const current = this.effectiveCurrentIndex();
+            let insertAt = Math.min(Math.max(0, current + 1), this.tracks.length);
+            let groupId = this._playNextGroupId
+                || this.tracks[insertAt]?._playNextGroupId
+                || null;
+            if (groupId) this._playNextGroupId = groupId;
+            if (groupId) {
+                let lastGroupIndex = -1;
+                for (let index = current; index < this.tracks.length; index++) {
+                    if (this.tracks[index]?._playNextGroupId === groupId) {
+                        lastGroupIndex = index;
+                    }
+                }
+                if (lastGroupIndex >= current) {
+                    insertAt = lastGroupIndex + 1;
+                } else {
+                    groupId = null;
+                }
+            }
+            if (!groupId) {
+                this._playNextGroupSequence += 1;
+                groupId = `next-${Date.now()}-${this._playNextGroupSequence}`;
+                this._playNextGroupId = groupId;
+            }
+            const groupedItems = items.map(item => ({
+                ...item,
+                _playNextGroupId: groupId,
+            }));
+            this.tracks.splice(insertAt, 0, ...groupedItems);
         },
 
         _removeLocal(idx) {
@@ -2471,6 +2546,7 @@ document.addEventListener('alpine:init', () => {
             if (toIdx < 0 || toIdx >= this.tracks.length) return;
             const [track] = this.tracks.splice(fromIdx, 1);
             this.tracks.splice(toIdx, 0, track);
+            this._playNextGroupId = null;
             // Adjust currentIndex to follow the currently playing track
             if (this.currentIndex === fromIdx) {
                 this.currentIndex = toIdx;
@@ -2484,6 +2560,7 @@ document.addEventListener('alpine:init', () => {
         _clearLocal() {
             this.tracks = [];
             this.currentIndex = 0;
+            this._playNextGroupId = null;
         },
     });
 
@@ -2508,6 +2585,7 @@ document.addEventListener('alpine:init', () => {
         searchLoading: false,
         similaritySearchLabel: '',
         similaritySearchError: '',
+        similaritySearchStats: { loading: false, tracks: 0, artists: 0, peers: 0, elapsed_ms: 0 },
         federationSearch: { loading: false, error: '', artists: [], releases: [], tracks: [] },
         artistFederation: { loading: false, error: '', releases: [], tracks: [] },
         federationPreparing: {},
@@ -3400,6 +3478,7 @@ document.addEventListener('alpine:init', () => {
                 const res = await fetch(`/api/player/search?q=${encodeURIComponent(q)}&limit=10`);
                 if (!res.ok) throw new Error('failed');
                 this.searchResults = await res.json();
+                this.applyFederationArtworkFallbacks();
             } catch {
                 this.searchResults = { artists: [], releases: [], tracks: [] };
             }
@@ -3425,18 +3504,30 @@ document.addEventListener('alpine:init', () => {
             this.searchLoading = true;
             this.searchResults = null;
             this.federationSearch = { loading: true, error: '', artists: [], releases: [], tracks: [] };
+            this.similaritySearchStats = { loading: true, tracks: 0, artists: 0, peers: 0, elapsed_ms: 0 };
             Alpine.store('info').close();
             try {
-                const response = await fetch(`/api/player/similarity/${id}`);
-                const data = await response.json().catch(() => ({}));
-                if (!response.ok) throw new Error(data.error || T.similarityFailed);
-                this.similaritySearchLabel = data.label || initialLabel;
+                const completeRequest = fetch(`/api/player/similarity/${id}`);
+                const localResponse = await fetch(`/api/player/similarity/${id}?local_only=true`);
+                const localData = await localResponse.json().catch(() => ({}));
+                if (!localResponse.ok) throw new Error(localData.error || T.similarityFailed);
+                this.similaritySearchLabel = localData.label || initialLabel;
                 this.searchQuery = this.similaritySearchLabel;
                 this.searchResults = {
                     artists: [],
                     releases: [],
-                    tracks: Array.isArray(data.tracks) ? data.tracks : [],
+                    tracks: Array.isArray(localData.tracks) ? localData.tracks : [],
                 };
+                this.searchLoading = false;
+                this.similaritySearchStats = {
+                    loading: true,
+                    ...this.similarityResultCounts(this.searchResults.tracks, []),
+                    peers: 0,
+                    elapsed_ms: localData.elapsed_ms || 0,
+                };
+                const response = await completeRequest;
+                const data = await response.json().catch(() => ({}));
+                if (!response.ok) throw new Error(data.error || T.similarityFailed);
                 this.federationSearch = {
                     loading: false,
                     error: data.federation_error || '',
@@ -3444,15 +3535,94 @@ document.addEventListener('alpine:init', () => {
                     releases: [],
                     tracks: Array.isArray(data.federation_tracks) ? data.federation_tracks : [],
                 };
+                this.similaritySearchStats = {
+                    loading: false,
+                    ...this.similarityResultCounts(
+                        this.searchResults.tracks,
+                        this.federationSearch.tracks
+                    ),
+                    peers: Number(data.queried_peers || 0),
+                    elapsed_ms: Number(data.elapsed_ms || 0),
+                };
             } catch (error) {
-                this.searchResults = { artists: [], releases: [], tracks: [] };
-                this.federationSearch = { loading: false, error: '', artists: [], releases: [], tracks: [] };
-                this.similaritySearchError = error?.message || T.similarityFailed;
+                if (!this.searchResults) {
+                    this.searchResults = { artists: [], releases: [], tracks: [] };
+                    this.similaritySearchError = error?.message || T.similarityFailed;
+                } else {
+                    this.federationSearch = {
+                        ...this.federationSearch,
+                        loading: false,
+                        error: error?.message || T.similarityFailed,
+                    };
+                }
+                this.similaritySearchStats = {
+                    ...this.similaritySearchStats,
+                    loading: false,
+                };
             }
             this.searchLoading = false;
             this._afterNavigation(options);
         },
 
+        similarityResultCounts(localTracks = [], federationTracks = []) {
+            const artists = new Set();
+            for (const track of localTracks) {
+                for (const artist of [...(track?.artists || []), ...(track?.featured_artists || [])]) {
+                    const name = this.normalizeFederationSearchText(artist?.name);
+                    if (name) artists.add(name);
+                }
+            }
+            for (const track of federationTracks) {
+                const metadata = track?.metadata || {};
+                for (const artist of [...(metadata.artists || []), ...(metadata.featured_artists || [])]) {
+                    const name = this.normalizeFederationSearchText(artist?.name);
+                    if (name) artists.add(name);
+                }
+            }
+            return {
+                tracks: localTracks.length + federationTracks.length,
+                artists: artists.size,
+            };
+        },
+
+        similarityTrackOrder(track) {
+            const score = Number(track?.similarity_score);
+            if (!Number.isFinite(score)) return 1000000;
+            return Math.max(0, Math.round((1 - score) * 100000));
+        },
+
+        similarityQueueTracks() {
+            const local = (this.searchResults?.tracks || []).map(track => ({ ...track }));
+            const federated = (this.federationSearch?.tracks || []).map(track => ({
+                ...this.federationQueueTrack(track),
+                similarity_score: track.similarity_score,
+            }));
+            return [...local, ...federated].sort((left, right) => {
+                const score = Number(right?.similarity_score || 0)
+                    - Number(left?.similarity_score || 0);
+                if (score) return score;
+                return String(left?.title || '').localeCompare(String(right?.title || ''));
+            });
+        },
+
+        playSimilarityResult(track) {
+            const queue = Alpine.store('queue');
+            const tracks = this.similarityQueueTracks();
+            const key = queue._trackIdentity(track);
+            const index = tracks.findIndex(item => queue._trackIdentity(item) === key);
+            if (index >= 0) queue.playRelease(tracks, index);
+        },
+
+        formatSearchDuration(milliseconds) {
+            const ms = Math.max(0, Number(milliseconds) || 0);
+            if (ms < 10000) return `${(ms / 1000).toFixed(1)} s`;
+            if (ms < 60000) return `${Math.round(ms / 1000)} s`;
+            const totalSeconds = Math.round(ms / 1000);
+            const minutes = Math.floor(totalSeconds / 60);
+            const seconds = totalSeconds % 60;
+            return `${minutes}m ${String(seconds).padStart(2, '0')}s`;
+        },
+
         clearSearch() {
             this.stopFederationSearch();
             this.searchQuery = '';
@@ -3460,6 +3630,7 @@ document.addEventListener('alpine:init', () => {
             this.searchLoading = false;
             this.similaritySearchLabel = '';
             this.similaritySearchError = '';
+            this.similaritySearchStats = { loading: false, tracks: 0, artists: 0, peers: 0, elapsed_ms: 0 };
             if (this.view === 'search') {
                 this.view = this._previousView || 'artists';
                 this._setHash(this.view === 'my_uploads' ? '#uploads' : '#artists');
@@ -3518,13 +3689,17 @@ document.addEventListener('alpine:init', () => {
             };
             source.addEventListener('federation.track', upsertTrack);
             source.addEventListener('federation.artist', event => {
-                const artist = JSON.parse(event.data)?.entity;
+                const artist = this.withFederationArtistFallback(
+                    JSON.parse(event.data)?.entity
+                );
                 const key = artist?.key?.normalized_name;
                 if (!key) return;
                 updateResults('artists', item => item.key.normalized_name, item => item.name, artist);
             });
             source.addEventListener('federation.release', event => {
-                const release = JSON.parse(event.data)?.entity;
+                const release = this.hydrateFederationSearchRelease(
+                    JSON.parse(event.data)?.entity
+                );
                 if (!release?.key) return;
                 updateResults('releases', item => JSON.stringify(item.key || {}), item => item.title, release);
             });
@@ -3601,9 +3776,98 @@ document.addEventListener('alpine:init', () => {
 
         federationArtistImage(artist) {
             if (!artist?.name) return '';
+            if (artist._federationArtworkFailed) return artist.local_image_url || '';
             return this.federationDiscoveredArtwork(artist.name);
         },
 
+        localArtistImage(name) {
+            const key = this.normalizeFederationSearchText(name);
+            return (this.searchResults?.artists || []).find(candidate =>
+                this.normalizeFederationSearchText(candidate.name) === key
+            )?.image_url || '';
+        },
+
+        withFederationArtistFallback(artist) {
+            if (!artist) return artist;
+            return { ...artist, local_image_url: this.localArtistImage(artist.name) };
+        },
+
+        applyFederationArtworkFallbacks() {
+            this.federationSearch = {
+                ...this.federationSearch,
+                artists: this.federationSearch.artists.map(artist =>
+                    this.withFederationArtistFallback(artist)
+                ),
+            };
+        },
+
+        federationArtistImageFailed(artist) {
+            const key = artist?.key?.normalized_name;
+            if (!key) return;
+            this.federationSearch = {
+                ...this.federationSearch,
+                artists: this.federationSearch.artists.map(candidate =>
+                    candidate?.key?.normalized_name === key
+                        ? {
+                            ...candidate,
+                            _federationArtworkFailed: true,
+                            local_image_url: candidate.local_image_url
+                                || this.localArtistImage(candidate.name),
+                        }
+                        : candidate
+                ),
+            };
+        },
+
+        hydrateFederationSearchRelease(release) {
+            if (!release) return release;
+            const title = this.normalizeFederationSearchText(release.title);
+            const primaryArtists = (release.key?.primary_artists || [])
+                .map(name => this.normalizeFederationSearchText(name));
+            const tracks = this.federationSearch.tracks.filter(track => {
+                const metadata = track?.metadata || {};
+                if (this.normalizeFederationSearchText(metadata.release?.title) !== title) return false;
+                if (release.year && metadata.year && Number(release.year) !== Number(metadata.year)) return false;
+                if (!primaryArtists.length) return true;
+                const trackArtists = (metadata.artists || []).map(artist =>
+                    this.normalizeFederationSearchText(artist.name)
+                );
+                return primaryArtists.some(artist => trackArtists.includes(artist));
+            });
+            const owners = [...new Set([
+                ...(release.sources || []).map(source => source.owner),
+                ...tracks.flatMap(track =>
+                    (track.availability?.federation || []).map(source => source.owner)
+                ),
+            ].filter(Boolean))];
+            return { ...release, tracks, owners };
+        },
+
+        federationReleaseCover(release) {
+            if (!release) return '';
+            if (release._federationArtworkFailed) return release._discoveredCoverUrl || '';
+            return release.cover_url
+                || this.federationDiscoveredArtwork(release.artists?.[0], release.title);
+        },
+
+        federationReleaseCoverFailed(release, failedUrl) {
+            const discovered = this.federationDiscoveredArtwork(release?.artists?.[0], release?.title);
+            if (!release?.key) return;
+            const key = JSON.stringify(release.key);
+            this.federationSearch = {
+                ...this.federationSearch,
+                releases: this.federationSearch.releases.map(candidate =>
+                    JSON.stringify(candidate?.key) === key
+                        ? {
+                            ...candidate,
+                            _federationArtworkFailed: true,
+                            _discoveredCoverUrl: failedUrl === discovered ? '' : discovered,
+                        }
+                        : candidate
+                ),
+            };
+        },
+
         federationDiscoveredArtwork(artist, release = '') {
             if (!artist) return '';
             const params = new URLSearchParams({ artist });
@@ -3696,22 +3960,26 @@ document.addEventListener('alpine:init', () => {
                 uploader_name: 'Federation',
                 federation_pending: true,
                 _federationTrack: track,
+                similarity_score: track.similarity_score,
             };
         },
 
         openFederatedRelease(release, options = {}) {
             if (!release?.key) return;
-            this._federatedReleaseCache[release.key] = release;
-            this._beginNavigation('#releasefed?key=' + encodeURIComponent(release.key), options);
+            const cacheKey = typeof release.key === 'string'
+                ? release.key
+                : JSON.stringify(release.key);
+            this._federatedReleaseCache[cacheKey] = release;
+            this._beginNavigation('#releasefed?key=' + encodeURIComponent(cacheKey), options);
             const queuedTracks = (release.tracks || []).map(track => this.federationQueueTrack(track));
             const first = queuedTracks[0];
             this.currentRelease = {
                 id: null,
                 title: release.title,
-                release_type: release.release_type || 'release',
+                release_type: release.release_type || release.key?.release_type || 'release',
                 year: release.year,
-                cover_url: release.cover_url,
-                artists: first?.artists || [],
+                cover_url: this.federationReleaseCover(release),
+                artists: first?.artists || (release.artists || []).map(name => ({ id: null, name })),
                 tracks: queuedTracks,
                 uploaders: (release.owners || []).map(owner => ({
                     name: `Federation ${owner.slice(0, 10)}`,
@@ -4336,8 +4604,21 @@ document.addEventListener('alpine:init', () => {
     // -----------------------------------------------------------------------
     Alpine.store('torrents', {
         modal: false,
+        sourceTab: 'youtube',
+        youtubeUrl: '',
+        youtubePreview: null,
+        youtubePreviewSelected: new Set(),
+        youtubePreviewLoading: false,
+        youtubeJobs: [],
+        youtubeLoading: false,
+        youtubeSubmitting: false,
+        youtubeCancellingIds: new Set(),
         file: null,
         localFiles: [],
+        localFilesDragging: false,
+        localFilesUploading: false,
+        localUploadHistory: [],
+        localUploadHistoryLoading: false,
         magnet: '',
         sessions: [],
         loadingSessions: false,
@@ -4358,7 +4639,6 @@ document.addEventListener('alpine:init', () => {
         loadingAgentStatus: false,
         uploadProgress: 0,
         uploadProgressText: '',
-        activeTab: 'import',
         uploadTracks: [],
         uploadReleases: [],
         uploadPending: [],
@@ -4394,9 +4674,12 @@ document.addEventListener('alpine:init', () => {
             this.modal = true;
             this.message = '';
             this.error = false;
-            this.loadSessions();
+            if (this.sourceTab === 'youtube') this.loadYoutubeJobs();
+            else if (this.sourceTab === 'uploads') this.loadUploads();
+            else if (this.sourceTab === 'files') this.loadLocalUploadHistory();
+            else this.loadSessions();
+            if (this.sourceTab !== 'uploads') this.loadUploads({ silent: true });
             this.loadAgentStatus();
-            if (this.activeTab === 'uploads') this.loadUploads();
             this._startRefresh();
         },
 
@@ -4416,16 +4699,324 @@ document.addEventListener('alpine:init', () => {
             return this.workspaceMode === 'new';
         },
 
-        showImportTab() {
-            this.activeTab = 'import';
+        showSourceTab(tab) {
+            this.sourceTab = ['youtube', 'torrents', 'files', 'uploads'].includes(tab) ? tab : 'youtube';
             this._setMessage('');
+            if (this.sourceTab === 'youtube') this.loadYoutubeJobs();
+            else if (this.sourceTab === 'uploads') {
+                this._stopPoll();
+                this.loadUploads();
+            }
+            else if (this.sourceTab === 'files') {
+                this._stopPoll();
+                this.loadLocalUploadHistory();
+            }
+            else this.loadSessions();
         },
 
-        showUploadsTab() {
-            this.activeTab = 'uploads';
-            this._stopPoll();
-            this._setMessage('');
-            this.loadUploads();
+        async loadYoutubeJobs({ silent = false } = {}) {
+            if (!silent) this.youtubeLoading = true;
+            try {
+                const res = await fetch('/api/player/youtube');
+                const data = await res.json().catch(() => null);
+                if (!res.ok) throw new Error(data?.error || T.youtubeLoadFailed);
+                this.youtubeJobs = Array.isArray(data) ? data : [];
+            } catch (err) {
+                if (!silent) this._setMessage(err.message || T.youtubeLoadFailed, true);
+            } finally {
+                if (!silent) this.youtubeLoading = false;
+            }
+        },
+
+        clearYoutubePreview() {
+            this.youtubePreview = null;
+            this.youtubePreviewSelected = new Set();
+        },
+
+        async previewYoutubeUrl() {
+            const url = String(this.youtubeUrl || '').trim();
+            if (!url || this.youtubePreviewLoading || this.youtubeSubmitting) return;
+            this.youtubePreviewLoading = true;
+            this.clearYoutubePreview();
+            this._setMessage(T.youtubeParsing);
+            try {
+                const res = await fetch('/api/player/youtube/preview', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({ url }),
+                });
+                const data = await res.json().catch(() => null);
+                if (!res.ok) throw new Error(data?.error || T.youtubePreviewFailed);
+                const items = Array.isArray(data?.items) ? data.items : [];
+                if (!items.length) throw new Error(T.youtubePreviewFailed);
+                if (String(this.youtubeUrl || '').trim() !== url) return;
+                this.youtubePreview = { ...data, items };
+                this.youtubePreviewSelected = new Set(
+                    items.filter(item => item.selected_by_default).map(item => item.source_id)
+                );
+                this._setMessage('');
+            } catch (err) {
+                this._setMessage(err.message || T.youtubePreviewFailed, true);
+            } finally {
+                this.youtubePreviewLoading = false;
+            }
+        },
+
+        youtubePreviewIsSelected(sourceId) {
+            return this.youtubePreviewSelected.has(sourceId);
+        },
+
+        toggleYoutubePreviewItem(sourceId) {
+            const selected = new Set(this.youtubePreviewSelected);
+            if (selected.has(sourceId)) selected.delete(sourceId);
+            else selected.add(sourceId);
+            this.youtubePreviewSelected = selected;
+        },
+
+        selectAllYoutubePreview() {
+            const items = Array.isArray(this.youtubePreview?.items) ? this.youtubePreview.items : [];
+            this.youtubePreviewSelected = new Set(items.map(item => item.source_id));
+        },
+
+        clearYoutubePreviewSelection() {
+            this.youtubePreviewSelected = new Set();
+        },
+
+        youtubePreviewSelectedCount() {
+            return this.youtubePreviewSelected.size;
+        },
+
+        async startYoutubeDownload() {
+            const preview = this.youtubePreview;
+            const selectedSourceIds = Array.from(this.youtubePreviewSelected);
+            if (!preview || !selectedSourceIds.length || this.youtubeSubmitting) return;
+            this.youtubeSubmitting = true;
+            this._setMessage(T.youtubeStarting);
+            try {
+                const res = await fetch('/api/player/youtube/start', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({
+                        url: preview.source_url,
+                        selected_source_ids: selectedSourceIds,
+                    }),
+                });
+                const data = await res.json().catch(() => null);
+                if (!res.ok) throw new Error(data?.error || T.youtubeStartFailed);
+                this.youtubeJobs = [data, ...this.youtubeJobs.filter(job => job.id !== data.id)];
+                this.youtubeUrl = '';
+                this.clearYoutubePreview();
+                this._setMessage(T.youtubeStarted);
+            } catch (err) {
+                this._setMessage(err.message || T.youtubeStartFailed, true);
+            } finally {
+                this.youtubeSubmitting = false;
+            }
+        },
+
+        async cancelYoutubeJob(id) {
+            if (this.youtubeCancellingIds.has(id) || !confirm(T.youtubeStopConfirm)) return;
+            const cancelling = new Set(this.youtubeCancellingIds);
+            cancelling.add(id);
+            this.youtubeCancellingIds = cancelling;
+            this._setMessage(T.youtubeStopping);
+            try {
+                const res = await fetch(`/api/player/youtube/${encodeURIComponent(id)}/cancel`, {
+                    method: 'POST',
+                });
+                const data = await res.json().catch(() => null);
+                if (!res.ok) throw new Error(data?.error || T.youtubeStopFailed);
+                this.youtubeJobs = this.youtubeJobs.map(job => job.id === id ? data : job);
+                this._setMessage(T.youtubeStopped);
+            } catch (err) {
+                this._setMessage(err.message || T.youtubeStopFailed, true);
+            } finally {
+                const remaining = new Set(this.youtubeCancellingIds);
+                remaining.delete(id);
+                this.youtubeCancellingIds = remaining;
+            }
+        },
+
+        async retryYoutubeJob(id) {
+            try {
+                const res = await fetch(`/api/player/youtube/${encodeURIComponent(id)}/retry`, {
+                    method: 'POST',
+                });
+                const data = await res.json().catch(() => null);
+                if (!res.ok) throw new Error(data?.error || T.youtubeRetryFailed);
+                this.youtubeJobs = this.youtubeJobs.map(job => job.id === id ? data : job);
+                this._setMessage(T.youtubeStarted);
+            } catch (err) {
+                this._setMessage(err.message || T.youtubeRetryFailed, true);
+            }
+        },
+
+        async removeYoutubeJob(id) {
+            if (!confirm(T.youtubeDeleteConfirm)) return;
+            try {
+                const res = await fetch(`/api/player/youtube/${encodeURIComponent(id)}`, {
+                    method: 'DELETE',
+                });
+                const data = await res.json().catch(() => null);
+                if (!res.ok) throw new Error(data?.error || T.youtubeDeleteFailed);
+                this.youtubeJobs = this.youtubeJobs.filter(job => job.id !== id);
+                this._setMessage('');
+            } catch (err) {
+                this._setMessage(err.message || T.youtubeDeleteFailed, true);
+            }
+        },
+
+        openYoutubeReviews() {
+            this.showSourceTab('uploads');
+        },
+
+        youtubeActiveCount() {
+            return this.youtubeJobs.filter(job => !this.youtubeJobTerminal(job.status)).length;
+        },
+
+        youtubeSummary() {
+            const active = this.youtubeActiveCount();
+            return active > 0 ? active + ' ' + T.active : T.clientIdle;
+        },
+
+        youtubeStatusLabel(status) {
+            const labels = {
+                queued: T.youtubeQueued,
+                resolving: T.youtubeResolving,
+                downloading: T.downloading,
+                postprocessing: T.youtubePostprocessing,
+                awaiting_ai: T.youtubeAwaitingAi,
+                ai_processing: T.youtubeAiProcessing,
+                needs_review: T.youtubeNeedsReview,
+                complete: T.completed,
+                complete_with_errors: T.youtubeCompleteWithErrors,
+                failed: T.failed,
+                ai_failed: T.failed,
+                skipped: T.youtubeSkipped,
+                cancelled: T.youtubeCancelled,
+                uploading: T.uploadingFiles,
+            };
+            return labels[String(status || '').toLowerCase()] || status || T.unknown;
+        },
+
+        youtubeStatusClass(status) {
+            const classes = {
+                queued: 'status-preview',
+                resolving: 'status-resolving',
+                downloading: 'status-downloading',
+                postprocessing: 'status-moving',
+                awaiting_ai: 'status-preview',
+                ai_processing: 'status-moving',
+                needs_review: 'status-paused',
+                complete: 'status-completed',
+                complete_with_errors: 'status-failed',
+                failed: 'status-failed',
+                ai_failed: 'status-failed',
+                skipped: 'status-completed',
+                cancelled: 'status-paused',
+                uploading: 'status-downloading',
+            };
+            return classes[String(status || '').toLowerCase()] || 'status-preview';
+        },
+
+        youtubeIsError(status) {
+            return ['failed', 'ai_failed'].includes(String(status || '').toLowerCase());
+        },
+
+        youtubeJobTerminal(status) {
+            return ['complete', 'complete_with_errors', 'failed', 'needs_review', 'cancelled'].includes(String(status || '').toLowerCase());
+        },
+
+        youtubeItemTerminal(status) {
+            return ['complete', 'skipped', 'needs_review', 'failed', 'ai_failed', 'cancelled'].includes(String(status || '').toLowerCase());
+        },
+
+        youtubeJobCancellable(status) {
+            return ['queued', 'resolving', 'downloading', 'postprocessing'].includes(String(status || '').toLowerCase());
+        },
+
+        youtubeJobMeta(job) {
+            const kind = job.source_kind === 'playlist' ? T.youtubePlaylist : T.youtubeVideo;
+            const parts = [kind];
+            if (Number(job.total_items || 0) > 0) parts.push(Number(job.total_items) + ' ' + T.youtubeItems);
+            if (Number(job.failed_items || 0) > 0) parts.push(Number(job.failed_items) + ' ' + T.youtubeErrors);
+            return parts.join(' · ');
+        },
+
+        youtubeItemMeta(item) {
+            const parts = [];
+            if (Number(item.chapter_count || 0) > 0) parts.push(Number(item.chapter_count) + ' ' + T.chapters);
+            if (Number(item.audio_file_count || 0) > 0) parts.push(Number(item.audio_file_count) + ' ' + T.trackWord);
+            if (Number(item.total_bytes || 0) > 0) parts.push(this.bytes(item.total_bytes));
+            return parts.join(' · ');
+        },
+
+        youtubeDownloadMeta(item) {
+            const downloaded = this.bytes(item.downloaded_bytes || 0);
+            const total = Number(item.total_bytes || 0) > 0 ? ' / ' + this.bytes(item.total_bytes) : '';
+            const speed = Number(item.speed_bytes_per_sec || 0) > 0 ? ' · ' + this.bytes(item.speed_bytes_per_sec) + '/s' : '';
+            const eta = Number(item.eta_seconds || 0) > 0 ? ' · ' + T.eta + ' ' + formatTime(item.eta_seconds) : '';
+            return downloaded + total + speed + eta;
+        },
+
+        youtubeItemProgress(item) {
+            const status = String(item?.status || 'queued').toLowerCase();
+            if (status === 'cancelled') {
+                const downloaded = Number(item.progress_percent || 0);
+                return downloaded > 0 ? Math.max(5, Math.min(55, 5 + downloaded * 0.5)) : 0;
+            }
+            if (this.youtubeItemTerminal(status)) return 100;
+            if (status === 'downloading') return 5 + Math.max(0, Math.min(100, Number(item.progress_percent || 0))) * 0.5;
+            if (status === 'postprocessing') return 62;
+            if (status === 'awaiting_ai') return 75;
+            if (status === 'ai_processing') return 88;
+            return 2;
+        },
+
+        youtubeJobProgress(job) {
+            const items = Array.isArray(job?.items) ? job.items : [];
+            if (!items.length) return job?.status === 'failed' ? 100 : 2;
+            return Math.round(items.reduce((sum, item) => sum + this.youtubeItemProgress(item), 0) / items.length);
+        },
+
+        youtubeJobProgressText(job) {
+            const items = Array.isArray(job?.items) ? job.items : [];
+            if (!items.length) return this.youtubeStatusLabel(job?.status);
+            const done = items.filter(item => this.youtubeItemTerminal(item.status) && item.status !== 'cancelled').length;
+            return done + ' ' + T.ofWord + ' ' + items.length;
+        },
+
+        youtubeStage(item) {
+            const status = String(item?.status || 'queued').toLowerCase();
+            if (status === 'cancelled') {
+                if (Number(item?.progress_percent || 0) >= 99) return 2;
+                return Number(item?.progress_percent || 0) > 0 ? 1 : 0;
+            }
+            if (status === 'downloading') return 1;
+            if (status === 'postprocessing') return 2;
+            if (['awaiting_ai', 'ai_processing', 'ai_failed'].includes(status)) return 3;
+            if (status === 'failed') return Number(item?.progress_percent || 0) >= 99 ? 2 : 1;
+            if (this.youtubeItemTerminal(status)) return 4;
+            return 0;
+        },
+
+        youtubeStepClass(item, step) {
+            const status = String(item?.status || '').toLowerCase();
+            const stage = this.youtubeStage(item);
+            if (status === 'cancelled') {
+                if (step < stage) return 'done';
+                if (step === stage) return 'cancelled';
+                return '';
+            }
+            if (this.youtubeIsError(status) && step === stage) return 'failed';
+            if (['complete', 'skipped'].includes(status)) return 'done';
+            if (step < stage) return 'done';
+            if (step === stage) return 'active';
+            return '';
+        },
+
+        youtubeFinalStepLabel(item) {
+            return this.youtubeStatusLabel(item?.status === 'complete' ? 'complete' : item?.status);
         },
 
         addNew() {
@@ -5097,9 +5688,15 @@ document.addEventListener('alpine:init', () => {
             this._stopRefresh();
             this._refreshTimer = setInterval(() => {
                 if (!this.modal) return;
-                if (this.activeTab === 'uploads') {
+                if (this.sourceTab === 'youtube') {
+                    this.loadYoutubeJobs({ silent: true });
+                }
+                else if (this.sourceTab === 'uploads') {
                     this.loadUploads({ silent: true });
                 }
+                else if (this.sourceTab === 'files') {
+                    this.loadLocalUploadHistory({ silent: true });
+                }
                 else this.loadSessions();
                 this.loadAgentStatus();
             }, 5000);
@@ -5237,7 +5834,36 @@ document.addEventListener('alpine:init', () => {
         },
 
         setLocalFiles(files) {
-            this.localFiles = Array.from(files || []);
+            const supported = new Set(['mp3', 'flac', 'wav', 'm4a', 'ogg', 'opus', 'aac']);
+            const selected = Array.from(files || []).filter(file => {
+                const extension = String(file.name || '').split('.').pop().toLowerCase();
+                return String(file.type || '').startsWith('audio/') || supported.has(extension);
+            });
+            this.localFiles = selected;
+            this.localFilesDragging = false;
+            this.uploadProgress = 0;
+            this.uploadProgressText = '';
+            if (!selected.length && Array.from(files || []).length) {
+                this._setMessage(T.noSupportedAudioFiles, true);
+            } else {
+                this._setMessage('');
+            }
+        },
+
+        clearLocalFiles() {
+            if (this.localFilesUploading) return;
+            this.localFiles = [];
+            this.uploadProgress = 0;
+            this.uploadProgressText = '';
+        },
+
+        leaveLocalFileDrop(event) {
+            if (!event.currentTarget.contains(event.relatedTarget)) this.localFilesDragging = false;
+        },
+
+        dropLocalFiles(event) {
+            this.localFilesDragging = false;
+            this.setLocalFiles(event?.dataTransfer?.files || []);
         },
 
         localUploadBytes() {
@@ -5256,6 +5882,7 @@ document.addEventListener('alpine:init', () => {
                 xhr.open('POST', '/api/player/uploads/local');
                 xhr.setRequestHeader('Content-Type', file.type || 'application/octet-stream');
                 xhr.setRequestHeader('X-Furumusic-Filename', encodeURIComponent(file.name || 'upload.mp3'));
+                xhr.setRequestHeader('X-Furumusic-Upload-Id', crypto.randomUUID());
                 xhr.upload.onprogress = event => {
                     if (!event.lengthComputable || totalBytes <= 0) return;
                     const loaded = loadedBefore + event.loaded;
@@ -5274,38 +5901,75 @@ document.addEventListener('alpine:init', () => {
         },
 
         async uploadLocalFiles() {
-            if (this.loading || this.localFiles.length === 0) return;
-            this.loading = true;
+            if (this.localFilesUploading || this.localFiles.length === 0) return;
+            this.localFilesUploading = true;
             this.uploadProgress = 0;
             this.uploadProgressText = '0.0%';
             this._setMessage(T.uploadingFiles);
             const totalBytes = this.localUploadBytes();
             let loadedBefore = 0;
             try {
-                for (const file of this.localFiles) {
-                    await this.uploadLocalFile(file, loadedBefore, totalBytes);
+                for (const file of [...this.localFiles]) {
+                    const data = await this.uploadLocalFile(file, loadedBefore, totalBytes);
+                    if (data?.upload) {
+                        this.localUploadHistory = [
+                            data.upload,
+                            ...this.localUploadHistory.filter(item => item.id !== data.upload.id),
+                        ];
+                    }
                     loadedBefore += Number(file.size || 0);
+                    this.localFiles = this.localFiles.filter(item => item !== file);
                     this.uploadProgress = totalBytes > 0 ? Math.min(100, loadedBefore / totalBytes * 100) : 100;
                     this.uploadProgressText = this.uploadProgress.toFixed(1) + '%';
                 }
-                this.localFiles = [];
                 this.uploadProgress = 100;
                 this.uploadProgressText = '100.0%';
                 this._setMessage(T.uploadComplete);
                 await this.loadAgentStatus();
+                await this.loadLocalUploadHistory({ silent: true });
             } catch (err) {
                 this._setMessage(err.message || String(err), true);
             } finally {
-                this.loading = false;
+                this.localFilesUploading = false;
             }
         },
 
+        async loadLocalUploadHistory({ silent = false } = {}) {
+            if (!silent) this.localUploadHistoryLoading = true;
+            try {
+                const res = await fetch('/api/player/uploads/local/history');
+                const data = await res.json().catch(() => null);
+                if (!res.ok) throw new Error(data?.error || T.fileUploadLoadFailed);
+                this.localUploadHistory = Array.isArray(data) ? data : [];
+            } catch (err) {
+                if (!silent) this._setMessage(err.message || T.fileUploadLoadFailed, true);
+            } finally {
+                if (!silent) this.localUploadHistoryLoading = false;
+            }
+        },
+
+        async removeLocalUploadHistory(id) {
+            if (!confirm(T.removeFileUploadConfirm)) return;
+            try {
+                const res = await fetch(`/api/player/uploads/local/history/${encodeURIComponent(id)}`, {
+                    method: 'DELETE',
+                });
+                const data = await res.json().catch(() => null);
+                if (!res.ok) throw new Error(data?.error || T.fileUploadHistoryRemoveFailed);
+                this.localUploadHistory = this.localUploadHistory.filter(item => item.id !== id);
+                this._setMessage(T.fileUploadHistoryRemoved);
+            } catch (err) {
+                this._setMessage(err.message || T.fileUploadHistoryRemoveFailed, true);
+            }
+        },
+
+        formatUploadDate(value) {
+            const date = new Date(value);
+            return Number.isNaN(date.getTime()) ? String(value || '') : date.toLocaleString();
+        },
+
         async preview() {
             if (this.loading) return;
-            if (this.localFiles.length > 0) {
-                await this.uploadLocalFiles();
-                return;
-            }
             const magnet = this.magnet.trim();
             if (!this.file && !magnet) {
                 this._setMessage(T.chooseTorrent, true);

templates/player/shell.html

@@ -17,6 +17,17 @@
                         <div class="user-role" x-text="$store.user.profile?.role || ''"></div>
                     </div>
                     <div class="user-widget-actions">
+                        <button class="user-logout-btn"
+                                x-show="$store.user.profile?.role === 'admin'"
+                                x-cloak
+                                @click="window.location.href = '/admin/'"
+                                title="{{ t.player_admin_panel }}"
+                                aria-label="{{ t.player_admin_panel }}">
+                            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8">
+                                <path d="M12 3l7 3v5c0 4.6-2.9 8.1-7 10-4.1-1.9-7-5.4-7-10V6l7-3z"/>
+                                <path d="M9.5 12l1.7 1.7 3.6-4"/>
+                            </svg>
+                        </button>
                         <button class="user-logout-btn" @click="$store.user.openSettings()" title="User settings" aria-label="User settings">
                             <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8">
                                 <circle cx="12" cy="12" r="3"/>
@@ -80,7 +91,7 @@
                              @click="$store.library.openArtist(artist.id)">
                             <div class="following-avatar">
                                 <template x-if="artist.image_url">
-                                    <img :src="artist.image_url" :alt="artist.name" loading="lazy">
+                                    <img :src="artist.image_url" alt="" aria-hidden="true" loading="lazy">
                                 </template>
                                 <template x-if="!artist.image_url">
                                     <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.6"><circle cx="12" cy="8" r="4"/><path d="M20 21a8 8 0 10-16 0"/></svg>
@@ -143,9 +154,6 @@
                     </div>
                 </template>
             </div>
-            <div class="sidebar-bottom">
-                <a href="/admin/">{{ t.player_admin_panel }}</a>
-            </div>
         </div>
 
         <template x-if="$store.mobile.libraryOpen">
@@ -196,7 +204,7 @@
                                              @click="$store.library.openArtist(artist.id); $store.mobile.closeLibrary()">
                                             <div class="following-avatar">
                                                 <template x-if="artist.image_url">
-                                                    <img :src="artist.image_url" :alt="artist.name" loading="lazy">
+                                                    <img :src="artist.image_url" alt="" aria-hidden="true" loading="lazy">
                                                 </template>
                                                 <template x-if="!artist.image_url">
                                                     <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.6"><circle cx="12" cy="8" r="4"/><path d="M20 21a8 8 0 10-16 0"/></svg>
@@ -359,6 +367,17 @@
                         </div>
                     </div>
                     <div class="mobile-account-actions">
+                        <button class="user-logout-btn"
+                                x-show="$store.user.profile?.role === 'admin'"
+                                x-cloak
+                                @click="window.location.href = '/admin/'"
+                                title="{{ t.player_admin_panel }}"
+                                aria-label="{{ t.player_admin_panel }}">
+                            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8">
+                                <path d="M12 3l7 3v5c0 4.6-2.9 8.1-7 10-4.1-1.9-7-5.4-7-10V6l7-3z"/>
+                                <path d="M9.5 12l1.7 1.7 3.6-4"/>
+                            </svg>
+                        </button>
                         <button class="user-logout-btn"
                                 @click="$store.user.menuOpen = false; $store.user.openSettings()"
                                 title="User settings"
@@ -379,12 +398,24 @@
             <!-- Search Results -->
             <template x-if="$store.library.view === 'search'">
                 <div>
-                    <h2 class="search-similarity-title"
-                        x-show="$store.library.similaritySearchLabel"
-                        x-cloak>
-                        <span>{{ t.player_search_similar_to }}</span>
-                        <strong x-text="$store.library.similaritySearchLabel"></strong>
-                    </h2>
+                    <div class="search-similarity-heading"
+                         x-show="$store.library.similaritySearchLabel"
+                         x-cloak>
+                        <h2 class="search-similarity-title">
+                            <span>{{ t.player_search_similar_to }}</span>
+                            <strong x-text="$store.library.similaritySearchLabel"></strong>
+                        </h2>
+                        <div class="search-similarity-progress"
+                             :class="{ loading: $store.library.similaritySearchStats.loading }">
+                            <template x-if="$store.library.similaritySearchStats.loading">
+                                <span class="search-progress-live"><i></i> Searching peers…</span>
+                            </template>
+                            <span x-text="`${$store.library.similaritySearchStats.tracks} tracks · ${$store.library.similaritySearchStats.artists} artists`"></span>
+                            <template x-if="!$store.library.similaritySearchStats.loading">
+                                <span x-text="`${$store.library.similaritySearchStats.peers} peers · ${$store.library.formatSearchDuration($store.library.similaritySearchStats.elapsed_ms)}`"></span>
+                            </template>
+                        </div>
+                    </div>
                     <template x-if="$store.library.searchLoading">
                         <div class="loading-spinner"><div class="spinner"></div></div>
                     </template>
@@ -394,7 +425,7 @@
                         </div>
                     </template>
                     <template x-if="!$store.library.searchLoading && $store.library.searchResults">
-                        <div>
+                        <div :class="{ 'similarity-unified-results': $store.library.similaritySearchLabel }">
                             <template x-if="!$store.library.similaritySearchError && $store.library.searchResults.artists.length === 0 && $store.library.searchResults.releases.length === 0 && $store.library.searchResults.tracks.length === 0">
                                 <div class="empty-state">
                                     <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>
@@ -409,11 +440,9 @@
                                         <template x-for="artist in $store.library.searchResults.artists" :key="artist.id">
                                             <div class="search-artist-card" @click="$store.library.openArtist(artist.id)">
                                                 <div class="search-artist-img">
+                                                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><circle cx="12" cy="8" r="4"/><path d="M20 21a8 8 0 10-16 0"/></svg>
                                                     <template x-if="artist.image_url">
-                                                        <img :src="artist.image_url" :alt="artist.name" loading="lazy">
-                                                    </template>
-                                                    <template x-if="!artist.image_url">
-                                                        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><circle cx="12" cy="8" r="4"/><path d="M20 21a8 8 0 10-16 0"/></svg>
+                                                        <img class="artwork-image" :src="artist.image_url" alt="" aria-hidden="true" loading="lazy" @load="$event.currentTarget.classList.add('artwork-loaded')" @error="$event.currentTarget.classList.remove('artwork-loaded')">
                                                     </template>
                                                 </div>
                                                 <div class="search-artist-name" x-text="artist.name"></div>
@@ -430,11 +459,9 @@
                                         <template x-for="release in $store.library.searchResults.releases" :key="release.id">
                                             <div class="search-release-card" @click="$store.library.openRelease(release.id)" style="position:relative">
                                                 <div class="search-release-cover" style="position:relative">
+                                                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><rect x="3" y="3" width="18" height="18" rx="2"/><circle cx="12" cy="12" r="4"/></svg>
                                                     <template x-if="release.cover_url">
-                                                        <img :src="release.cover_url" :alt="release.title" loading="lazy">
-                                                    </template>
-                                                    <template x-if="!release.cover_url">
-                                                        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><rect x="3" y="3" width="18" height="18" rx="2"/><circle cx="12" cy="12" r="4"/></svg>
+                                                        <img class="artwork-image" :src="release.cover_url" alt="" aria-hidden="true" loading="lazy" @load="$event.currentTarget.classList.add('artwork-loaded')" @error="$event.currentTarget.classList.remove('artwork-loaded')">
                                                     </template>
                                                     <button class="card-info-btn" @click.stop="$store.library.openReleaseInfo(release)" :title="$store.library.releaseInfo(release)" aria-label="{{ t.player_release_info }}">
                                                         <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><line x1="12" y1="16" x2="12" y2="12"/><line x1="12" y1="8" x2="12.01" y2="8"/></svg>
@@ -464,7 +491,8 @@
                                     <template x-for="(track, idx) in $store.library.searchResults.tracks" :key="track.id">
                                         <div class="track-row"
                                              :class="{ playing: $store.player.currentTrack && $store.player.currentTrack.id === track.id }"
-                                             @dblclick="$store.library.playSearchTrack(idx)">
+                                             :style="$store.library.similaritySearchLabel ? `order:${$store.library.similarityTrackOrder(track)}` : ''"
+                                             @dblclick="$store.library.similaritySearchLabel ? $store.library.playSimilarityResult(track) : $store.library.playSearchTrack(idx)">
                                             <span class="track-num" x-text="idx + 1"></span>
                                             <div class="track-info">
                                                 <div class="track-title" x-text="track.title"></div>
@@ -509,8 +537,9 @@
                                     </template>
                                 </div>
                             </template>
-                            <div class="search-section federation-search-section">
-                                <h2 class="search-section-title">
+                            <div class="search-section federation-search-section"
+                                 :class="{ 'similarity-federation-merged': $store.library.similaritySearchLabel }">
+                                <h2 class="search-section-title" x-show="!$store.library.similaritySearchLabel">
                                     Federation
                                     <span class="federation-live-badge"
                                           x-show="$store.library.federationSearch.loading"
@@ -520,11 +549,11 @@
                                     <div class="federation-search-status error"
                                          x-text="$store.library.federationSearch.error"></div>
                                 </template>
-                                <template x-if="$store.library.federationSearch.loading && $store.library.federationSearch.tracks.length === 0">
+                                <template x-if="!$store.library.similaritySearchLabel && $store.library.federationSearch.loading && $store.library.federationSearch.tracks.length === 0">
                                     <div class="federation-search-status">Searching peers…</div>
                                 </template>
                                 <div class="search-artists-row"
-                                     x-show="$store.library.federationSearch.artists.length > 0"
+                                     x-show="!$store.library.similaritySearchLabel && $store.library.federationSearch.artists.length > 0"
                                      x-cloak>
                                     <template x-for="artist in $store.library.federationSearch.artists"
                                               :key="artist.key.normalized_name">
@@ -532,10 +561,12 @@
                                              @click="$store.library.openFederatedArtist(artist)">
                                             <div class="search-artist-img">
                                                 <img x-show="$store.library.federationArtistImage(artist)"
+                                                     class="artwork-image"
                                                      :src="$store.library.federationArtistImage(artist)"
-                                                     :alt="artist.name"
+                                                     alt="" aria-hidden="true"
                                                      loading="lazy"
-                                                     @error="$event.currentTarget.style.display = 'none'">
+                                                     @load="$event.currentTarget.classList.add('artwork-loaded')"
+                                                     @error="$event.currentTarget.classList.remove('artwork-loaded'); $store.library.federationArtistImageFailed(artist)">
                                                 <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5">
                                                     <circle cx="12" cy="8" r="4"/><path d="M20 21a8 8 0 10-16 0"/>
                                                 </svg>
@@ -547,18 +578,21 @@
                                     </template>
                                 </div>
                                 <div class="search-releases-row"
-                                     x-show="$store.library.federationSearch.releases.length > 0"
+                                     x-show="!$store.library.similaritySearchLabel && $store.library.federationSearch.releases.length > 0"
                                      x-cloak>
                                     <template x-for="release in $store.library.federationSearch.releases"
                                               :key="JSON.stringify(release.key)">
-                                        <div class="search-release-card federation-entity-card">
+                                        <div class="search-release-card federation-entity-card"
+                                             @click="$store.library.openFederatedRelease($store.library.hydrateFederationSearchRelease(release))">
                                             <div class="search-release-cover">
-                                                <img x-show="release.cover_url"
-                                                     :src="release.cover_url"
-                                                     :alt="release.title"
-                                                     loading="lazy">
-                                                <svg x-show="!release.cover_url"
-                                                     viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5">
+                                                <img x-show="$store.library.federationReleaseCover(release)"
+                                                     class="artwork-image"
+                                                     :src="$store.library.federationReleaseCover(release)"
+                                                     alt="" aria-hidden="true"
+                                                     loading="lazy"
+                                                     @load="$event.currentTarget.classList.add('artwork-loaded')"
+                                                     @error="$event.currentTarget.classList.remove('artwork-loaded'); $store.library.federationReleaseCoverFailed(release, $event.currentTarget.getAttribute('src'))">
+                                                <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5">
                                                     <rect x="3" y="3" width="18" height="18" rx="2"/><circle cx="12" cy="12" r="4"/>
                                                 </svg>
                                             </div>
@@ -571,7 +605,8 @@
                                 <template x-for="(track, idx) in $store.library.federationSearch.tracks"
                                           :key="track.key.content_id">
                                     <div class="track-row federation-track-row"
-                                         @dblclick="$store.library.playFederatedTrack(track)">
+                                         :style="$store.library.similaritySearchLabel ? `order:${$store.library.similarityTrackOrder(track)}` : ''"
+                                         @dblclick="$store.library.similaritySearchLabel ? $store.library.playSimilarityResult($store.library.federationQueueTrack(track)) : $store.library.playFederatedTrack(track)">
                                         <span class="track-num federation-track-status">
                                             <template x-if="!$store.library.federationDownload(track.key.content_id) && !$store.library.federationFailure(track.key.content_id) && !$store.library.isTrackLocal(track)">
                                                 <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8">
@@ -645,6 +680,12 @@
                                               x-text="formatTime(track.metadata.duration_seconds)"></span>
                                     </div>
                                 </template>
+                                <div class="similarity-search-inline-progress"
+                                     x-show="$store.library.similaritySearchLabel && $store.library.similaritySearchStats.loading"
+                                     x-cloak>
+                                    <span class="similarity-search-inline-spinner" aria-hidden="true"></span>
+                                    <span>Searching federation for more similar tracks…</span>
+                                </div>
                             </div>
                         </div>
                     </template>
@@ -666,7 +707,7 @@
                                 <div class="card" @click="$store.library.openArtist(artist.id)">
                                     <div class="card-img">
                                         <template x-if="artist.image_url">
-                                            <img :src="artist.image_url" :alt="artist.name" loading="lazy">
+                                            <img :src="artist.image_url" alt="" aria-hidden="true" loading="lazy">
                                         </template>
                                         <template x-if="!artist.image_url">
                                             <span class="placeholder-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><circle cx="12" cy="8" r="4"/><path d="M20 21a8 8 0 10-16 0"/></svg></span>
@@ -722,7 +763,7 @@
                         <div class="artist-img">
                             <template x-if="$store.library.currentArtist.image_url">
                                 <img :src="$store.library.currentArtist.image_url"
-                                     :alt="$store.library.currentArtist.name"
+                                     alt="" aria-hidden="true"
                                      @error="$store.library.currentArtist.image_url = null">
                             </template>
                             <template x-if="!$store.library.currentArtist.image_url">
@@ -805,7 +846,7 @@
                                                 :title="track.release_title"
                                                 aria-label="{{ t.player_release }}">
                                             <template x-if="track.cover_url">
-                                                <img :src="track.cover_url" :alt="track.release_title" loading="lazy">
+                                                <img :src="track.cover_url" alt="" aria-hidden="true" loading="lazy">
                                             </template>
                                             <template x-if="!track.cover_url">
                                                 <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><rect x="3" y="3" width="18" height="18" rx="2"/><circle cx="12" cy="12" r="4"/></svg>
@@ -868,7 +909,7 @@
                                     <div class="card" @click="$store.library.openRelease(release.id)">
                                         <div class="card-img">
                                             <template x-if="release.cover_url">
-                                                <img :src="release.cover_url" :alt="release.title"
+                                                <img :src="release.cover_url" alt="" aria-hidden="true"
                                                      loading="lazy" @error="release.cover_url = null">
                                             </template>
                                             <template x-if="!release.cover_url">
@@ -904,7 +945,7 @@
                                          @click="$store.library.openFederatedRelease(release)">
                                         <div class="card-img">
                                             <template x-if="release.cover_url">
-                                                <img :src="release.cover_url" :alt="release.title"
+                                                <img :src="release.cover_url" alt="" aria-hidden="true"
                                                      loading="lazy" @error="release.cover_url = null">
                                             </template>
                                             <template x-if="!release.cover_url">
@@ -1034,7 +1075,7 @@
                                                 :title="track.release_title"
                                                 aria-label="{{ t.player_release }}">
                                             <template x-if="track.cover_url">
-                                                <img :src="track.cover_url" :alt="track.release_title" loading="lazy">
+                                                <img :src="track.cover_url" alt="" aria-hidden="true" loading="lazy">
                                             </template>
                                             <template x-if="!track.cover_url">
                                                 <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><rect x="3" y="3" width="18" height="18" rx="2"/><circle cx="12" cy="12" r="4"/></svg>
@@ -1108,7 +1149,7 @@
                     <div class="release-header">
                         <div class="release-cover">
                             <template x-if="$store.library.currentRelease.cover_url">
-                                <img :src="$store.library.currentRelease.cover_url" :alt="$store.library.currentRelease.title">
+                                <img :src="$store.library.currentRelease.cover_url" alt="" aria-hidden="true">
                             </template>
                             <template x-if="!$store.library.currentRelease.cover_url">
                                 <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><rect x="3" y="3" width="18" height="18" rx="2"/><circle cx="12" cy="12" r="4"/></svg>
@@ -1486,11 +1527,9 @@
                             <svg viewBox="0 0 24 24" fill="currentColor"><circle cx="9" cy="6" r="1.5"/><circle cx="15" cy="6" r="1.5"/><circle cx="9" cy="12" r="1.5"/><circle cx="15" cy="12" r="1.5"/><circle cx="9" cy="18" r="1.5"/><circle cx="15" cy="18" r="1.5"/></svg>
                         </div>
                         <div class="queue-track-cover">
+                            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><path d="M9 18V5l12-2v13"/><circle cx="6" cy="18" r="3"/><circle cx="18" cy="16" r="3"/></svg>
                             <template x-if="item.track.cover_url">
-                                <img :src="item.track.cover_url" :alt="item.track.title" loading="lazy">
-                            </template>
-                            <template x-if="!item.track.cover_url">
-                                <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><path d="M9 18V5l12-2v13"/><circle cx="6" cy="18" r="3"/><circle cx="18" cy="16" r="3"/></svg>
+                                <img class="artwork-image" :src="item.track.cover_url" alt="" aria-hidden="true" loading="lazy" @load="$event.currentTarget.classList.add('artwork-loaded')" @error="$event.currentTarget.classList.remove('artwork-loaded')">
                             </template>
                             <span class="queue-federation-status federation-track-status"
                                   x-show="item.track.federation_pending"
@@ -1570,7 +1609,7 @@
                     <div class="player-cover"
                          @click.stop="$store.mobile.openPlayerFullscreen()">
                         <template x-if="$store.player.currentTrack.cover_url">
-                            <img :src="$store.player.currentTrack.cover_url" :alt="$store.player.currentTrack.title">
+                            <img :src="$store.player.currentTrack.cover_url" alt="" aria-hidden="true">
                         </template>
                         <template x-if="!$store.player.currentTrack.cover_url">
                             <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><path d="M9 18V5l12-2v13"/><circle cx="6" cy="18" r="3"/><circle cx="18" cy="16" r="3"/></svg>
@@ -1868,11 +1907,9 @@
                         type="button"
                         @click="item.index >= 0 ? $store.queue.playFromIndex(item.index) : $store.player.play(item.track)">
                     <div class="mobile-expanded-queue-cover">
+                        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><path d="M9 18V5l12-2v13"/><circle cx="6" cy="18" r="3"/><circle cx="18" cy="16" r="3"/></svg>
                         <template x-if="item.track.cover_url">
-                            <img :src="item.track.cover_url" :alt="item.track.title" loading="lazy">
-                        </template>
-                        <template x-if="!item.track.cover_url">
-                            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><path d="M9 18V5l12-2v13"/><circle cx="6" cy="18" r="3"/><circle cx="18" cy="16" r="3"/></svg>
+                            <img class="artwork-image" :src="item.track.cover_url" alt="" aria-hidden="true" loading="lazy" @load="$event.currentTarget.classList.add('artwork-loaded')" @error="$event.currentTarget.classList.remove('artwork-loaded')">
                         </template>
                     </div>
                     <div class="mobile-expanded-queue-info">

templates/player/styles.html

@@ -450,22 +450,6 @@ button.user-stat:hover {
     letter-spacing: 0.3px;
 }
 
-.sidebar-bottom {
-    padding: 12px 16px;
-    border-top: 1px solid var(--border-color);
-}
-
-.sidebar-bottom a {
-    color: var(--text-subdued);
-    text-decoration: none;
-    font-size: 12px;
-    display: flex;
-    align-items: center;
-    gap: 6px;
-}
-
-.sidebar-bottom a:hover { color: var(--text-secondary); }
-
 /* Center Content */
 .center-content {
     flex: 1;
@@ -1411,7 +1395,7 @@ button.user-stat:hover {
     justify-content: center;
 }
 
-.queue-track-cover img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
+.queue-track-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
 .queue-track-cover svg { width: 20px; height: 20px; color: var(--text-subdued); }
 
 .queue-track-cover .queue-federation-status {
@@ -2751,6 +2735,41 @@ button.user-stat:hover {
     border-top: 1px solid var(--border);
     padding-top: 18px;
 }
+.federation-search-section.similarity-federation-merged {
+    margin-top: -24px;
+    padding-top: 0;
+    border-top: 0;
+}
+.similarity-unified-results {
+    display: flex;
+    flex-direction: column;
+}
+.similarity-unified-results > .search-section {
+    display: contents;
+}
+.similarity-unified-results .search-section-title { order: -1000002; }
+.similarity-unified-results .track-list-header { order: -1000001; }
+.similarity-unified-results .federation-search-status { order: 1000001; }
+.similarity-search-inline-progress {
+    order: 1000000;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    gap: 9px;
+    min-height: 42px;
+    margin-top: 4px;
+    border-top: 1px solid var(--border);
+    color: var(--text-muted);
+    font-size: 12px;
+}
+.similarity-search-inline-spinner {
+    width: 14px;
+    height: 14px;
+    border: 2px solid rgba(255, 255, 255, .16);
+    border-top-color: var(--accent);
+    border-radius: 999px;
+    animation: federation-progress-spin .8s linear infinite;
+}
 .federation-live-badge {
     margin-left: 8px;
     color: var(--accent);
@@ -2872,12 +2891,20 @@ button.user-stat:hover {
     margin-bottom: 12px;
 }
 
+.search-similarity-heading {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 18px;
+    margin: 0 0 20px;
+}
 .search-similarity-title {
     display: flex;
     flex-wrap: wrap;
     align-items: baseline;
     gap: 8px;
-    margin: 0 0 20px;
+    min-width: 0;
+    margin: 0;
     color: var(--text-muted);
     font-size: 16px;
     font-weight: 500;
@@ -2886,6 +2913,42 @@ button.user-stat:hover {
     color: var(--text);
     font-size: 20px;
 }
+.search-similarity-progress {
+    flex: 0 0 auto;
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    min-height: 30px;
+    padding: 5px 10px;
+    border: 1px solid var(--border);
+    border-radius: 7px;
+    background: var(--bg-secondary);
+    color: var(--text-muted);
+    font-size: 11px;
+    font-variant-numeric: tabular-nums;
+    white-space: nowrap;
+}
+.search-similarity-progress.loading { border-color: rgba(29, 185, 84, .38); }
+.search-progress-live {
+    display: inline-flex;
+    align-items: center;
+    gap: 6px;
+    color: var(--accent);
+}
+.search-progress-live i {
+    width: 7px;
+    height: 7px;
+    border-radius: 999px;
+    background: currentColor;
+    animation: similarity-search-pulse 1.1s ease-in-out infinite;
+}
+@keyframes similarity-search-pulse {
+    50% { opacity: .3; transform: scale(.75); }
+}
+@media (max-width: 720px) {
+    .search-similarity-heading { align-items: flex-start; flex-direction: column; }
+    .search-similarity-progress { max-width: 100%; flex-wrap: wrap; white-space: normal; }
+}
 
 .search-artists-row {
     display: flex;
@@ -2959,6 +3022,7 @@ button.user-stat:hover {
 .search-release-card:hover { background: var(--bg-elevated); }
 
 .search-release-cover {
+    position: relative;
     width: 100%;
     aspect-ratio: 1;
     border-radius: 6px;
@@ -2970,9 +3034,12 @@ button.user-stat:hover {
     justify-content: center;
 }
 
-.search-release-cover img { width: 100%; height: 100%; object-fit: cover; }
+.search-release-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
 .search-release-cover svg { width: 40px; height: 40px; color: var(--text-subdued); }
 
+.artwork-image { z-index: 1; opacity: 0; }
+.artwork-image.artwork-loaded { opacity: 1; }
+
 /* Like button */
 .like-btn {
     background: none;
@@ -3348,6 +3415,487 @@ button.user-stat:hover {
     font-size: 11px;
 }
 
+.download-source-tabs {
+    padding-bottom: 10px;
+    border-bottom: 1px solid var(--border-color);
+}
+
+.download-source-tabs .torrent-tab-btn {
+    min-width: 112px;
+    justify-content: center;
+}
+
+.download-torrent-panel,
+.youtube-manager-panel {
+    min-height: 0;
+    flex: 1 1 auto;
+}
+
+.file-upload-panel {
+    min-height: 0;
+    flex: 1 1 auto;
+    display: flex;
+    flex-direction: column;
+    gap: 12px;
+    overflow: hidden;
+}
+
+.file-upload-input {
+    position: absolute;
+    width: 1px;
+    height: 1px;
+    overflow: hidden;
+    clip: rect(0, 0, 0, 0);
+    clip-path: inset(50%);
+    white-space: nowrap;
+}
+
+.file-drop-zone {
+    min-height: 176px;
+    flex: 0 0 auto;
+    display: flex !important;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    gap: 6px;
+    margin: 0 !important;
+    padding: 24px;
+    border: 2px dashed var(--border-color);
+    border-radius: 12px;
+    background: var(--bg-primary);
+    color: var(--text-subdued);
+    text-align: center;
+    cursor: pointer;
+    transition: border-color 150ms ease, background 150ms ease, transform 150ms ease;
+}
+
+.file-drop-zone:hover,
+.file-drop-zone.dragging {
+    border-color: var(--accent);
+    background: rgba(29,185,84,0.08);
+}
+
+.file-drop-zone.dragging {
+    transform: scale(0.995);
+}
+
+.file-drop-zone strong {
+    color: var(--text-primary);
+    font-size: 15px;
+}
+
+.file-drop-zone span {
+    font-size: 12px;
+}
+
+.file-drop-zone small {
+    margin-top: 2px;
+    color: var(--text-muted);
+    font-size: 10px;
+}
+
+.file-drop-icon {
+    width: 42px;
+    height: 42px;
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    margin-bottom: 4px;
+    border-radius: 50%;
+    background: rgba(29,185,84,0.14);
+    color: #7ee29e;
+}
+
+.file-drop-icon svg {
+    width: 23px;
+    height: 23px;
+}
+
+.file-upload-selection {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 12px;
+    padding: 10px 12px;
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+    background: var(--bg-primary);
+    color: var(--text-secondary);
+    font-size: 12px;
+    font-weight: 700;
+}
+
+.file-upload-selection > div {
+    display: flex;
+    gap: 7px;
+}
+
+.file-upload-history-head {
+    margin-top: 2px;
+}
+
+.file-upload-history {
+    min-height: 0;
+    flex: 1 1 auto;
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+    overflow-y: auto;
+    padding-right: 4px;
+}
+
+.file-upload-history-row {
+    display: grid;
+    grid-template-columns: minmax(0, 1fr) auto auto;
+    gap: 10px;
+    align-items: center;
+    padding: 11px 12px;
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+    background: var(--bg-primary);
+}
+
+.file-upload-history-main {
+    min-width: 0;
+}
+
+.file-upload-history-title {
+    overflow: hidden;
+    color: var(--text-primary);
+    font-size: 12px;
+    font-weight: 750;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
+.file-upload-history-meta {
+    margin-top: 3px;
+    color: var(--text-subdued);
+    font-size: 10px;
+}
+
+.download-torrent-panel {
+    display: flex;
+    flex-direction: column;
+}
+
+.youtube-manager-panel {
+    display: flex;
+    flex-direction: column;
+    gap: 12px;
+    overflow: hidden;
+}
+
+.youtube-download-form {
+    flex: 0 0 auto;
+    padding: 14px;
+    border: 1px solid var(--border-color);
+    border-radius: 9px;
+    background: var(--bg-primary);
+}
+
+.youtube-download-form-row {
+    display: grid;
+    grid-template-columns: minmax(0, 1fr) auto;
+    gap: 10px;
+    align-items: center;
+}
+
+.torrent-modal .youtube-download-form-row input[type="text"] {
+    margin: 0;
+}
+
+.youtube-download-hint {
+    margin: 8px 0 0;
+    color: var(--text-subdued);
+    font-size: 11px;
+    line-height: 1.45;
+}
+
+.youtube-preview-card {
+    min-height: 0;
+    flex: 0 1 360px;
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+    padding: 14px;
+    border: 1px solid rgba(29,185,84,0.35);
+    border-radius: 9px;
+    background: var(--bg-primary);
+}
+
+.youtube-preview-head,
+.youtube-preview-footer {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 12px;
+}
+
+.youtube-preview-head h4 {
+    margin: 0 0 4px;
+    color: var(--text-primary);
+    font-size: 13px;
+}
+
+.youtube-preview-head p {
+    margin: 0;
+    color: var(--text-subdued);
+    font-size: 11px;
+}
+
+.youtube-preview-head strong {
+    color: var(--text-secondary);
+}
+
+.youtube-preview-controls,
+.youtube-preview-footer > div {
+    display: flex;
+    align-items: center;
+    gap: 7px;
+    flex: 0 0 auto;
+}
+
+.youtube-preview-list {
+    min-height: 72px;
+    overflow-y: auto;
+    border: 1px solid var(--border-color);
+    border-radius: 7px;
+    background: var(--bg-secondary);
+}
+
+.youtube-preview-row {
+    display: grid;
+    grid-template-columns: auto 30px minmax(0, 1fr);
+    gap: 8px;
+    align-items: center;
+    min-height: 38px;
+    padding: 6px 10px;
+    border-bottom: 1px solid var(--border-color);
+    color: var(--text-secondary);
+    cursor: pointer;
+}
+
+.youtube-preview-row:last-child {
+    border-bottom: 0;
+}
+
+.youtube-preview-row:hover,
+.youtube-preview-row.selected {
+    background: var(--bg-hover);
+    color: var(--text-primary);
+}
+
+.youtube-preview-row input[type="checkbox"] {
+    width: 15px;
+    height: 15px;
+    margin: 0;
+    accent-color: #1db954;
+}
+
+.youtube-preview-item-title {
+    min-width: 0;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    font-size: 12px;
+    font-weight: 650;
+}
+
+.youtube-preview-footer {
+    color: var(--text-subdued);
+    font-size: 11px;
+    font-weight: 700;
+}
+
+.youtube-download-list-head {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 10px;
+    flex: 0 0 auto;
+    color: var(--text-secondary);
+    font-size: 12px;
+    font-weight: 800;
+    text-transform: uppercase;
+}
+
+.youtube-download-list {
+    min-height: 0;
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+    overflow-y: auto;
+    padding-right: 4px;
+}
+
+.youtube-empty-state {
+    min-height: 180px;
+    border: 1px dashed var(--border-color);
+    border-radius: 9px;
+}
+
+.youtube-job-card {
+    flex: 0 0 auto;
+    padding: 13px;
+    border: 1px solid var(--border-color);
+    border-radius: 9px;
+    background: var(--bg-primary);
+}
+
+.youtube-job-head,
+.youtube-item-head {
+    display: grid;
+    grid-template-columns: minmax(0, 1fr) auto;
+    align-items: start;
+    gap: 10px;
+}
+
+.youtube-job-heading,
+.youtube-item-main {
+    min-width: 0;
+}
+
+.youtube-job-title,
+.youtube-item-title {
+    overflow: hidden;
+    color: var(--text-primary);
+    font-weight: 800;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
+.youtube-job-title { font-size: 14px; }
+.youtube-item-title { font-size: 12px; }
+
+.youtube-job-meta,
+.youtube-item-meta {
+    margin-top: 3px;
+    color: var(--text-subdued);
+    font-size: 11px;
+    line-height: 1.35;
+}
+
+.youtube-job-progress {
+    display: grid;
+    grid-template-columns: minmax(0, 1fr) auto;
+    align-items: center;
+    gap: 10px;
+    margin-top: 9px;
+    color: var(--text-subdued);
+    font-size: 11px;
+}
+
+.youtube-job-progress .torrent-session-progress,
+.youtube-item-download-progress .torrent-session-progress {
+    margin-top: 0;
+}
+
+.youtube-job-error,
+.youtube-item-error {
+    margin: 8px 0 0;
+    color: #ffb9b9;
+    font-size: 11px;
+    line-height: 1.4;
+    overflow-wrap: anywhere;
+}
+
+.youtube-item-list {
+    display: flex;
+    flex-direction: column;
+    gap: 7px;
+    margin-top: 11px;
+}
+
+.youtube-item-row {
+    padding: 10px;
+    border: 1px solid rgba(255,255,255,0.07);
+    border-radius: 7px;
+    background: var(--bg-elevated);
+}
+
+.youtube-item-row.failed {
+    border-color: rgba(229,96,96,0.3);
+}
+
+.youtube-item-head {
+    grid-template-columns: 28px minmax(0, 1fr) auto;
+    align-items: center;
+}
+
+.youtube-item-index {
+    color: var(--text-muted);
+    font-size: 10px;
+    font-weight: 900;
+    text-align: center;
+}
+
+.youtube-item-download-progress {
+    display: grid;
+    grid-template-columns: minmax(0, 1fr) auto;
+    gap: 10px;
+    align-items: center;
+    margin-top: 8px;
+    color: var(--text-subdued);
+    font-size: 10px;
+}
+
+.youtube-step-list {
+    display: grid;
+    grid-template-columns: repeat(4, minmax(0, 1fr));
+    gap: 4px;
+    margin-top: 9px;
+}
+
+.youtube-step {
+    min-width: 0;
+    display: flex;
+    align-items: center;
+    gap: 5px;
+    color: var(--text-muted);
+    font-size: 9px;
+    text-transform: uppercase;
+}
+
+.youtube-step i {
+    width: 7px;
+    height: 7px;
+    flex: 0 0 7px;
+    border-radius: 50%;
+    border: 1px solid var(--border-color);
+    background: var(--bg-secondary);
+}
+
+.youtube-step b {
+    min-width: 0;
+    overflow: hidden;
+    font: inherit;
+    font-weight: 800;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
+.youtube-step.done { color: #9ff0b9; }
+.youtube-step.done i { border-color: var(--accent); background: var(--accent); }
+.youtube-step.active { color: #ffd78a; }
+.youtube-step.active i {
+    border-color: #f0b84d;
+    background: #f0b84d;
+    box-shadow: 0 0 0 3px rgba(240,184,77,0.13);
+}
+.youtube-step.failed { color: #ffb9b9; }
+.youtube-step.failed i { border-color: #e56060; background: #e56060; }
+.youtube-step.cancelled { color: #ffd78a; }
+.youtube-step.cancelled i { border-color: #f0b84d; background: #f0b84d; }
+
+.youtube-job-actions {
+    display: flex;
+    justify-content: flex-end;
+    flex-wrap: wrap;
+    gap: 7px;
+    margin-top: 10px;
+}
+
 .torrent-manager-layout {
     display: grid;
     grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
@@ -5585,6 +6133,7 @@ button.user-stat:hover {
     }
 
     .mobile-expanded-queue-cover {
+        position: relative;
         width: 42px;
         height: 42px;
         border-radius: 5px;
@@ -5596,6 +6145,8 @@ button.user-stat:hover {
     }
 
     .mobile-expanded-queue-cover img {
+        position: absolute;
+        inset: 0;
         width: 100%;
         height: 100%;
         object-fit: cover;
@@ -5946,6 +6497,64 @@ button.user-stat:hover {
         padding-bottom: 2px;
     }
 
+    .youtube-manager-panel {
+        overflow-y: auto;
+    }
+
+    .file-upload-panel {
+        overflow-y: auto;
+    }
+
+    .file-upload-history {
+        overflow: visible;
+    }
+
+    .file-upload-history-row {
+        grid-template-columns: minmax(0, 1fr) auto;
+    }
+
+    .file-upload-history-row .modal-btn-danger {
+        grid-column: 1 / -1;
+        justify-self: start;
+    }
+
+    .file-upload-selection {
+        align-items: flex-start;
+        flex-direction: column;
+    }
+
+    .youtube-download-form-row {
+        grid-template-columns: 1fr;
+    }
+
+    .youtube-download-form-row .modal-btn {
+        justify-self: start;
+    }
+
+    .youtube-preview-card {
+        flex-basis: auto;
+        max-height: 330px;
+    }
+
+    .youtube-preview-head,
+    .youtube-preview-footer {
+        align-items: flex-start;
+        flex-direction: column;
+    }
+
+    .youtube-preview-controls {
+        flex-wrap: wrap;
+    }
+
+    .youtube-download-list {
+        overflow: visible;
+    }
+
+    .youtube-step-list {
+        grid-template-columns: repeat(2, minmax(0, 1fr));
+        row-gap: 7px;
+    }
+
     .upload-manager-panel {
         overflow-y: auto;
     }