release: bump VERSION to 0.65.2 + release notes (download-cleanup title-truncation fix)

VERSION

@@ -1 +1 @@
-0.65.1
+0.65.2

frontend/src/lib/releaseNotes.ts

@@ -14,6 +14,18 @@ export interface ReleaseEntry {
 }
 
 export const RELEASE_NOTES: ReleaseEntry[] = [
+  {
+    version: "0.65.2",
+    date: "2026-08-16",
+    summary:
+      "Fixes the automatic cleanup of expired downloads, which had quietly stopped running.",
+    fixes: [
+      "The scheduled cleanup of downloaded videos works again. A download with a very long title — for example a Facebook or Instagram reel, whose entire caption is used as the title — could jam the cleanup job, so expired downloads stopped being removed and their disk space wasn't reclaimed. Over-long titles are now trimmed for the notification only (the full title is kept everywhere else), so the cleanup runs to completion on schedule.",
+    ],
+    chores: [
+      "Added a regression test that a very long download title can no longer break the cleanup job, and enabled a Postgres query-statistics extension on the server so a transient slow-loading report can be diagnosed if it recurs.",
+    ],
+  },
   {
     version: "0.65.1",
     date: "2026-08-16",