fix(epg): remove cached XMLTV data after source deletion (#1548)

* fix(epg): remove cached XMLTV data after source deletion

* fix(epg): close source reconciliation review races

* fix(epg): serialize cleanup with replacement imports

* fix(epg): report retired worker exits as cancellations

* fix(epg): preserve source metadata through cache cleanup

* refactor(epg): separate worker runtime and import lifecycle

* fix(epg): skip cleanup for unchanged source settings

* fix(epg): cancel retired error rows and pending retries

* fix(epg): redact diagnostics and mirror committed settings after cleanup errors

* fix(epg): preserve metadata writer order independently of timestamps

apps/electron-backend/src/app/api/main.preload.spec-data.ts

@@ -536,6 +536,12 @@ export const epgPreloadCases: PreloadInvokeCase[] = [
         channel: 'EPG_CLEAR_ALL',
         forwardedArgs: [],
     },
+    {
+        method: 'reconcileEpgSources',
+        args: [epgUrls],
+        channel: 'EPG_RECONCILE_SOURCES',
+        forwardedArgs: [{ urls: epgUrls }],
+    },
     {
         method: 'clearEpgDataForSource',
         args: ['https://example.com/guide.xml'],

apps/electron-backend/src/app/api/main.preload.ts

@@ -615,11 +615,7 @@ const electronApi: ElectronBridgeApi = {
         sessionId: string,
         style: EmbeddedMpvSubtitleStyle
     ): Promise<EmbeddedMpvSession | null> =>
-        ipcRenderer.invoke(
-            'EMBEDDED_MPV_SET_SUBTITLE_STYLE',
-            sessionId,
-            style
-        ),
+        ipcRenderer.invoke('EMBEDDED_MPV_SET_SUBTITLE_STYLE', sessionId, style),
     selectEmbeddedMpvSubtitleFile: (): Promise<string | null> =>
         ipcRenderer.invoke('EMBEDDED_MPV_SELECT_SUBTITLE_FILE'),
     setEmbeddedMpvSpeed: (
@@ -681,6 +677,8 @@ const electronApi: ElectronBridgeApi = {
     forceFetchEpg: (url: string, options?: ElectronBridgeTrustOptions) =>
         ipcRenderer.invoke('EPG_FORCE_FETCH', { url, options }),
     clearEpgData: () => ipcRenderer.invoke('EPG_CLEAR_ALL'),
+    reconcileEpgSources: (urls: string[]) =>
+        ipcRenderer.invoke('EPG_RECONCILE_SOURCES', { urls }),
     clearEpgDataForSource: (sourceUrl: string) =>
         ipcRenderer.invoke('EPG_CLEAR_SOURCE', { sourceUrl }),
     checkEpgFreshness: (urls: string[], maxAgeHours?: number) =>
@@ -1118,8 +1116,7 @@ const electronApi: ElectronBridgeApi = {
     recordingsUpdatePrograms: (
         targetPath: string,
         programs: RecordingProgramSnapshot[]
-    ) =>
-        ipcRenderer.invoke('RECORDINGS_UPDATE_PROGRAMS', targetPath, programs),
+    ) => ipcRenderer.invoke('RECORDINGS_UPDATE_PROGRAMS', targetPath, programs),
     recordingsRevealFile: (filePath: string) =>
         ipcRenderer.invoke('RECORDINGS_REVEAL_FILE', filePath),
     recordingsPlayFile: (filePath: string) =>