feat(04-03): add new-project callback support to handle_callback

- Add new-project action handling in handle_callback
- Supports Create New Project button from error cards
- Updates user context when project is created via callback
- Add 4 new tests in TestHandleCallback for new-project action

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

gsd-openclaw/src/gsd_openclaw/orchestrator.py

@@ -323,22 +323,38 @@ class Orchestrator:
             )
 
     def handle_callback(self, callback_data: Dict[str, Any]) -> Dict[str, Any]:
-        """Handle a button callback from an approval card.
+        """Handle a button callback from a card.
 
-        This processes approval/reject actions and sends the
-        response to the tmux session.
+        This processes various actions including:
+        - approve/reject: For approval workflows
+        - new-project: For creating new projects from error cards
 
         Args:
             callback_data: Dictionary containing:
-                - action: "approve" or "reject"
-                - approval_id: The ID of the approval
-                - project: The project name
+                - action: "approve", "reject", or "new-project"
+                - For approvals: approval_id, project
+                - For new-project: name, user_id
 
         Returns:
             Feishu Card JSON dict as confirmation response.
         """
         try:
             action = callback_data.get("action", "")
+
+            # Handle new-project action from error card button
+            if action == "new-project":
+                project_name = callback_data.get("name", "")
+                user_id = callback_data.get("user_id", "")
+
+                if not project_name:
+                    return self.formatter.format_error(
+                        title="Invalid Request",
+                        content="Project name is required"
+                    )
+
+                return self._handle_new_project(user_id, project_name)
+
+            # Handle approval/reject actions
             approval_id = callback_data.get("approval_id", "")
             project_name = callback_data.get("project", "default")