Fix ConnectedAccount crash: rename reserved SQLAlchemy metadata attribute.

SQLAlchemy Declarative API reserves `metadata`; map account_metadata to the
existing `metadata` column so janua-api can boot with Coupler P1 models.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: 2 people

apps/api/app/models/connected_account.py

@@ -54,7 +54,7 @@ class ConnectedAccount(Base):
     oauth_expires_at = Column(DateTime, nullable=True)
 
     status = Column(String(20), default=ConnectedAccountStatus.ACTIVE.value)
-    metadata = Column(JSONB, default=dict)
+    account_metadata = Column("metadata", JSONB, default=dict)
     last_used_at = Column(DateTime, nullable=True)
 
     created_at = Column(DateTime, default=datetime.utcnow)

apps/api/app/services/connected_account_service.py

@@ -122,7 +122,7 @@ async def _sync_from_oauth_accounts(self, user: User) -> None:
                 oauth_scopes=[],
                 oauth_expires_at=oauth.token_expires_at,
                 status=ConnectedAccountStatus.ACTIVE.value,
-                metadata={"source": "oauth_account_sync"},
+                account_metadata={"source": "oauth_account_sync"},
                 created_by=user.id,
             )
             self.db.add(account)