la crate des playlists

pmoplaylist/src/error.rs

@@ -0,0 +1,38 @@
+//! Types d'erreurs pour pmoplaylist
+
+/// Erreurs de gestion de playlist
+#[derive(Debug, thiserror::Error)]
+pub enum Error {
+    #[error("Playlist not found: {0}")]
+    PlaylistNotFound(String),
+    
+    #[error("Playlist deleted: {0}")]
+    PlaylistDeleted(String),
+    
+    #[error("Playlist already exists: {0}")]
+    PlaylistAlreadyExists(String),
+    
+    #[error("Playlist is not persistent: {0}")]
+    PlaylistNotPersistent(String),
+    
+    #[error("Write lock already held for playlist: {0}")]
+    WriteLockHeld(String),
+    
+    #[error("Cache entry not found: {0}")]
+    CacheEntryNotFound(String),
+    
+    #[error("Cache error: {0}")]
+    CacheError(String),
+    
+    #[error("Persistence error: {0}")]
+    PersistenceError(String),
+    
+    #[error("PlaylistManager not initialized")]
+    ManagerNotInitialized,
+    
+    #[error(transparent)]
+    Other(#[from] anyhow::Error),
+}
+
+/// Type Result spécialisé pour pmoplaylist
+pub type Result<T> = std::result::Result<T, Error>;