Added merge

furumi-agent/src/config.rs

@@ -5,6 +5,8 @@ use clap::Parser;
 /// Default system prompt, compiled into the binary as a fallback.
 const DEFAULT_SYSTEM_PROMPT: &str = include_str!("../prompts/normalize.txt");
 
+const DEFAULT_MERGE_PROMPT: &str = include_str!("../prompts/merge.txt");
+
 #[derive(Parser, Debug)]
 #[command(version, about = "Furumi Agent: music metadata ingest and normalization")]
 pub struct Args {
@@ -47,6 +49,10 @@ pub struct Args {
     /// Path to a custom system prompt file (overrides the built-in default)
     #[arg(long, env = "FURUMI_AGENT_SYSTEM_PROMPT_FILE")]
     pub system_prompt_file: Option<PathBuf>,
+
+    /// Path to a custom merge prompt file (overrides the built-in default)
+    #[arg(long, env = "FURUMI_AGENT_MERGE_PROMPT_FILE")]
+    pub merge_prompt_file: Option<PathBuf>,
 }
 
 impl Args {
@@ -76,4 +82,14 @@ impl Args {
             }
         }
     }
+
+    pub fn load_merge_prompt(&self) -> Result<String, Box<dyn std::error::Error>> {
+        match &self.merge_prompt_file {
+            Some(path) => {
+                tracing::info!("Loading merge prompt from {:?}", path);
+                Ok(std::fs::read_to_string(path)?)
+            }
+            None => Ok(DEFAULT_MERGE_PROMPT.to_owned()),
+        }
+    }
 }