feat: displaying plugin debug info (#1828)

src/langbot/pkg/api/http/controller/groups/plugins.py

@@ -21,6 +21,22 @@ class PluginsRouterGroup(group.RouterGroup):
 
             return self.success(data={'plugins': plugins})
 
+        @self.route('/debug-info', methods=['GET'], auth_type=group.AuthType.USER_TOKEN_OR_API_KEY)
+        async def _() -> str:
+            """Get plugin debug information including debug URL and key"""
+            debug_info = await self.ap.plugin_connector.get_debug_info()
+
+            # Get debug URL from config
+            plugin_config = self.ap.instance_config.data.get('plugin', {})
+            debug_url = plugin_config.get('display_plugin_debug_url', 'http://localhost:5401')
+
+            return self.success(
+                data={
+                    'debug_url': debug_url,
+                    'plugin_debug_key': debug_info.get('plugin_debug_key', ''),
+                }
+            )
+
         @self.route(
             '/<author>/<plugin_name>/upgrade',
             methods=['POST'],

src/langbot/pkg/plugin/connector.py

@@ -385,6 +385,12 @@ class PluginRuntimeConnector:
     async def get_plugin_assets(self, plugin_author: str, plugin_name: str, filepath: str) -> dict[str, Any]:
         return await self.handler.get_plugin_assets(plugin_author, plugin_name, filepath)
 
+    async def get_debug_info(self) -> dict[str, Any]:
+        """Get debug information including debug key and WS URL"""
+        if not self.is_enable_plugin:
+            return {}
+        return await self.handler.get_debug_info()
+
     async def emit_event(
         self,
         event: events.BaseEventModel,

src/langbot/pkg/plugin/handler.py

@@ -758,3 +758,12 @@ class RuntimeConnectionHandler(handler.Handler):
             timeout=30,
         )
         return result
+
+    async def get_debug_info(self) -> dict[str, Any]:
+        """Get debug information including debug key and WS URL"""
+        result = await self.call_action(
+            LangBotToRuntimeAction.GET_DEBUG_INFO,
+            {},
+            timeout=10,
+        )
+        return result

src/langbot/templates/config.yaml

@@ -48,3 +48,4 @@ plugin:
     runtime_ws_url: 'ws://langbot_plugin_runtime:5400/control/ws'
     enable_marketplace: true
     cloud_service_url: 'https://space.langbot.app'
+    display_plugin_debug_url: 'http://localhost:5401'