fix: add WAL mode for session SQLite to prevent 'database is locked', persist active account tab in localStorage

telegram_scraper_with_forwarding.py

@@ -79,6 +79,19 @@ class ForwardingRule:
     enabled: bool = True
 
 
+def _ensure_session_wal(session_path: str) -> None:
+    db_path = session_path if session_path.endswith(".session") else f"{session_path}.session"
+    if not Path(db_path).exists():
+        return
+    try:
+        conn = sqlite3.connect(db_path, timeout=1)
+        conn.execute("PRAGMA journal_mode=WAL;")
+        conn.execute("PRAGMA synchronous=NORMAL;")
+        conn.close()
+    except Exception:
+        pass
+
+
 class OptimizedTelegramScraper:
     def __init__(self, account_id: Optional[str] = None):
         self.account_id = account_id
@@ -1496,6 +1509,7 @@ class OptimizedTelegramScraper:
                 return False
 
         session = account_session_path(self.SESSION_DIR, self.account_id or "session")
+        _ensure_session_wal(session)
         self.client = TelegramClient(
             session,
             self.state["api_id"],