feat: Support auto confirmation for gatekeeper agents

assets/agents/gatekeeper/config.yaml

@@ -14,6 +14,9 @@ variables:
   - name: project_dir
     description: Absolute path to the project the plan targets - the ground truth for pointer verification
     default: '.'
+  - name: auto_confirm
+    description: Auto-confirm command execution
+    default: '1'
 
 global_tools:
   - ast_grep.sh