Recover task metadata store schema on startup

storage/task_metadata.py

@@ -133,4 +133,24 @@ class TaskMetadataStore:
     def _connect(self) -> sqlite3.Connection:
         connection = sqlite3.connect(self.db_path)
         connection.row_factory = sqlite3.Row
+        # A previous interrupted startup can leave a zero-byte SQLite file
+        # behind before ``__init__`` reaches ``_ensure_schema``. Ensure the
+        # table exists on every connection so the console can recover without
+        # manual deletion or database repair.
+        connection.execute(
+            """
+            create table if not exists tasks (
+                id text primary key,
+                goal text not null,
+                device_id text not null,
+                status text not null,
+                created_at text not null,
+                updated_at text not null,
+                completed_at text,
+                failure_reason text,
+                source_task_id text,
+                source_attempt integer
+            )
+            """
+        )
         return connection