improve moniitoring

alembic/versions/2a76a5bc2f09_add_status_and_error_to_async_operations.py

@@ -0,0 +1,49 @@
+"""add_status_and_error_to_async_operations
+
+Revision ID: 2a76a5bc2f09
+Revises: 0e96398aae9e
+Create Date: 2025-11-07 16:03:19.078561
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '2a76a5bc2f09'
+down_revision: Union[str, Sequence[str], None] = '0e96398aae9e'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # Add status column (default 'pending' for existing rows)
+    op.execute("""
+        ALTER TABLE async_operations
+        ADD COLUMN status TEXT NOT NULL DEFAULT 'pending'
+    """)
+
+    # Add error_message column
+    op.execute("""
+        ALTER TABLE async_operations
+        ADD COLUMN error_message TEXT
+    """)
+
+    # Add index on status for filtering failed/pending operations
+    op.execute("""
+        CREATE INDEX idx_async_operations_status
+        ON async_operations(status)
+    """)
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # Drop index
+    op.execute("DROP INDEX IF EXISTS idx_async_operations_status")
+
+    # Drop columns
+    op.execute("ALTER TABLE async_operations DROP COLUMN IF EXISTS error_message")
+    op.execute("ALTER TABLE async_operations DROP COLUMN IF EXISTS status")