feat: implement transcode settings repository and integrate with local-files provider

k-tv-backend/api/src/state.rs

@@ -16,6 +16,9 @@ use crate::config::Config;
 use crate::events::EventBus;
 use crate::log_layer::LogLine;
 use domain::{ActivityLogRepository, ChannelService, ProviderConfigRepository, ScheduleEngineService, UserService};
+#[cfg(feature = "local-files")]
+use domain::TranscodeSettingsRepository;
+use k_core::db::DatabasePool;
 
 #[derive(Clone)]
 pub struct AppState {
@@ -43,12 +46,11 @@ pub struct AppState {
     /// TranscodeManager for FFmpeg HLS transcoding (requires TRANSCODE_DIR).
     #[cfg(feature = "local-files")]
     pub transcode_manager: Arc<tokio::sync::RwLock<Option<Arc<infra::TranscodeManager>>>>,
-    /// SQLite pool for transcode settings CRUD.
+    /// Repository for transcode settings persistence.
     #[cfg(feature = "local-files")]
-    pub sqlite_pool: Arc<tokio::sync::RwLock<Option<sqlx::SqlitePool>>>,
-    /// Raw sqlite pool — always present when running SQLite, used for local-files hot-reload.
-    #[cfg(feature = "local-files")]
-    pub raw_sqlite_pool: Option<sqlx::SqlitePool>,
+    pub transcode_settings_repo: Option<Arc<dyn TranscodeSettingsRepository>>,
+    /// Database pool — used by infra factory functions for hot-reload.
+    pub db_pool: Arc<DatabasePool>,
 }
 
 impl AppState {
@@ -63,6 +65,9 @@ impl AppState {
         log_tx: broadcast::Sender<LogLine>,
         log_history: Arc<Mutex<VecDeque<LogLine>>>,
         activity_log_repo: Arc<dyn ActivityLogRepository>,
+        db_pool: Arc<DatabasePool>,
+        #[cfg(feature = "local-files")]
+        transcode_settings_repo: Option<Arc<dyn TranscodeSettingsRepository>>,
     ) -> anyhow::Result<Self> {
         let cookie_key = Key::derive_from(config.cookie_secret.as_bytes());
 
@@ -144,9 +149,8 @@ impl AppState {
             #[cfg(feature = "local-files")]
             transcode_manager: Arc::new(tokio::sync::RwLock::new(None)),
             #[cfg(feature = "local-files")]
-            sqlite_pool: Arc::new(tokio::sync::RwLock::new(None)),
-            #[cfg(feature = "local-files")]
-            raw_sqlite_pool: None,
+            transcode_settings_repo,
+            db_pool,
         })
     }
 }