Wire settings: account info, themes, and cache management

- Account section now shows real user name and subscription
- Logout button connected to logout handler
- Theme switching with persistence (Dark/Light/OLED Black/Warm)
- Theme loads on app startup from localStorage
- Cache stats display (size, max, track count)
- Clear cache functionality with disabled state

src-tauri/src/commands/cache.rs

@@ -0,0 +1,21 @@
+//! Cache management commands
+
+use tauri::State;
+
+use crate::cache::CacheStats;
+use crate::AppState;
+
+/// Get cache statistics
+#[tauri::command]
+pub fn get_cache_stats(state: State<'_, AppState>) -> CacheStats {
+    log::info!("Command: get_cache_stats");
+    state.audio_cache.stats()
+}
+
+/// Clear the audio cache
+#[tauri::command]
+pub fn clear_cache(state: State<'_, AppState>) -> Result<(), String> {
+    log::info!("Command: clear_cache");
+    state.audio_cache.clear();
+    Ok(())
+}

src-tauri/src/commands/mod.rs

@@ -3,6 +3,7 @@
 //! Exposes backend functionality to the frontend via IPC
 
 pub mod auth;
+pub mod cache;
 pub mod favorites;
 pub mod notification;
 pub mod playback;
@@ -11,6 +12,7 @@ pub mod queue;
 pub mod search;
 
 pub use auth::*;
+pub use cache::*;
 pub use favorites::*;
 pub use notification::*;
 pub use playback::*;

src-tauri/src/lib.rs

@@ -127,6 +127,9 @@ pub fn run() {
             // Notification commands
             commands::show_track_notification,
             commands::show_notification,
+            // Cache commands
+            commands::get_cache_stats,
+            commands::clear_cache,
         ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");