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'],