Release 0.2.5: harden proxy and streamline metadata fetching

Remove obsolete rule formats, batch SQLite work, preserve artwork source URLs, and coordinate refresh workers with maintenance. Add regression coverage and document backup format changes.

tools/run_jellyfin12_browser_tests.py

@@ -144,6 +144,14 @@ for row in rows:
         INSERT INTO genres(tmdb_id, media, lang, name, name_norm) VALUES (?, 'movie', 'fi', ?, ?)
         ON CONFLICT(tmdb_id, media, lang) DO UPDATE SET name=excluded.name, name_norm=excluded.name_norm
     """, (row["genre_id"], row["genre"], row["genre"].lower()))
+    relative = row["item_id"] + "/fixture.png"
+    destination = os.path.join(os.path.dirname(database), "assets", relative)
+    os.makedirs(os.path.dirname(destination), exist_ok=True)
+    with open(destination, "wb") as image:
+        image.write(base64.b64decode("iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAwMCAO+jZ1kAAAAASUVORK5CYII="))
+    path = "/Multilang/Assets/" + relative
+    connection.execute("INSERT OR REPLACE INTO assets(item_id,lang,kind,path,path_low,updated_at) VALUES (?, 'fi', 'poster', ?, ?, ?)",
+                       (row["item_id"], path, path.lower(), now))
 connection.commit()
 '''
     remote.stop()