Improve CI and lint code

src/services/telegram/handlers/admin.rs

@@ -249,7 +249,7 @@ pub async fn handle_approve_request(
     };
 
     match user_repo.create(dto).await {
-        Ok(new_user) => {
+        Ok(_new_user) => {
             // Approve the request
             request_repo
                 .approve(
@@ -297,9 +297,9 @@ pub async fn handle_approve_request(
             }
 
             // Send main menu to the user instead of just notification
-            let user_lang = Language::from_telegram_code(Some(&request.get_language()));
+            let _user_lang = Language::from_telegram_code(Some(&request.get_language()));
             let user_repo_for_user = UserRepository::new(db.connection());
-            let is_admin = false; // New users are not admins by default
+            let _is_admin = false; // New users are not admins by default
 
             // Create a fake user object for language detection
             let fake_user = teloxide::types::User {
@@ -633,7 +633,7 @@ pub async fn handle_select_server_access(
     short_request_id: &str,
     db: &DatabaseManager,
 ) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
-    let lang = Language::English; // Default admin language
+    let _lang = Language::English; // Default admin language
     let _l10n = LocalizationService::new();
     let chat_id = q
         .message
@@ -815,7 +815,7 @@ pub async fn handle_apply_server_access(
     short_request_id: &str,
     db: &DatabaseManager,
 ) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
-    let lang = Language::English; // Default admin language
+    let _lang = Language::English; // Default admin language
     let _l10n = LocalizationService::new();
     let chat_id = q
         .message
@@ -1177,7 +1177,7 @@ pub async fn handle_user_details(
 
     // Build keyboard
     let short_user_id = generate_short_user_id(&user_id.to_string());
-    let mut keyboard_buttons = vec![
+    let keyboard_buttons = vec![
         vec![InlineKeyboardButton::callback(
             l10n.get(lang.clone(), "manage_access"),
             format!("user_manage:{}", short_user_id),

src/services/telegram/handlers/mod.rs

@@ -17,7 +17,7 @@ pub async fn handle_command(
     msg: Message,
     cmd: Command,
     db: DatabaseManager,
-    app_config: AppConfig,
+    _app_config: AppConfig,
 ) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
     let chat_id = msg.chat.id;
     let from = &msg.from.ok_or("No user info")?;

src/services/telegram/handlers/types.rs

@@ -289,21 +289,3 @@ pub fn get_new_user_keyboard(lang: Language) -> InlineKeyboardMarkup {
     )]])
 }
 
-/// Restore UUID from compact format (without dashes)
-fn restore_uuid(compact: &str) -> Option<String> {
-    if compact.len() != 32 {
-        return None;
-    }
-
-    // Insert dashes at proper positions for UUID format
-    let uuid_str = format!(
-        "{}-{}-{}-{}-{}",
-        &compact[0..8],
-        &compact[8..12],
-        &compact[12..16],
-        &compact[16..20],
-        &compact[20..32]
-    );
-
-    Some(uuid_str)
-}

src/services/telegram/handlers/user.rs

@@ -6,7 +6,7 @@ use teloxide::{
 
 use super::super::localization::{Language, LocalizationService};
 use super::types::{get_main_keyboard, get_new_user_keyboard, get_user_language};
-use crate::database::entities::user_request::{CreateUserRequestDto, RequestStatus};
+use crate::database::entities::user_request::CreateUserRequestDto;
 use crate::database::repository::{UserRepository, UserRequestRepository};
 use crate::database::DatabaseManager;