add plugin agent management tools

app/agent/tools/impl/query_plugin_config.py

@@ -0,0 +1,88 @@
+"""查询插件配置工具"""
+
+import json
+from typing import Optional, Type
+
+from pydantic import BaseModel, Field
+
+from app.agent.tools.base import MoviePilotTool
+from app.agent.tools.impl._plugin_tool_utils import get_plugin_snapshot
+from app.core.plugin import PluginManager
+from app.log import logger
+
+
+class QueryPluginConfigInput(BaseModel):
+    """查询插件配置工具的输入参数模型"""
+
+    explanation: str = Field(
+        ...,
+        description="Clear explanation of why this tool is being used in the current context",
+    )
+    plugin_id: str = Field(
+        ...,
+        description="The plugin ID to query. Use query_installed_plugins first to discover valid plugin IDs.",
+    )
+
+
+class QueryPluginConfigTool(MoviePilotTool):
+    name: str = "query_plugin_config"
+    description: str = (
+        "Query the saved configuration of an installed plugin. "
+        "Returns the current saved config and, when available, the plugin's default config model. "
+        "Use this before update_plugin_config so you only change the intended keys."
+    )
+    require_admin: bool = True
+    args_schema: Type[BaseModel] = QueryPluginConfigInput
+
+    def get_tool_message(self, **kwargs) -> Optional[str]:
+        """生成友好的提示消息"""
+        plugin_id = kwargs.get("plugin_id", "")
+        return f"查询插件配置: {plugin_id}"
+
+    @staticmethod
+    def _query_plugin_config(plugin_id: str) -> str:
+        """
+        读取插件已保存配置，并尽量补充默认配置模型方便后续精确修改。
+        """
+        plugin_info = get_plugin_snapshot(plugin_id)
+        if not plugin_info:
+            return json.dumps(
+                {
+                    "success": False,
+                    "message": f"插件 {plugin_id} 不存在，请先使用 query_installed_plugins 查询有效插件 ID",
+                },
+                ensure_ascii=False,
+            )
+
+        plugin_manager = PluginManager()
+        saved_config = plugin_manager.get_plugin_config(plugin_id) or {}
+        result = {
+            "success": True,
+            **plugin_info,
+            "config": saved_config,
+        }
+
+        # get_form 的 model 通常就是插件期望的配置结构，适合作为修改前的键参考。
+        plugin_instance = plugin_manager.running_plugins.get(plugin_id)
+        if plugin_instance and hasattr(plugin_instance, "get_form"):
+            try:
+                _form_schema, default_model = plugin_instance.get_form()
+                if default_model is not None:
+                    result["default_model"] = default_model
+            except Exception as err:
+                logger.warning(f"读取插件 {plugin_id} 默认配置模型失败: {err}")
+
+        return json.dumps(result, ensure_ascii=False, indent=2, default=str)
+
+    async def run(self, plugin_id: str, **kwargs) -> str:
+        logger.info(f"执行工具: {self.name}, 参数: plugin_id={plugin_id}")
+
+        try:
+            # 插件配置来自内存配置缓存和运行态插件实例，直接读取即可。
+            return self._query_plugin_config(plugin_id)
+        except Exception as e:
+            logger.error(f"查询插件配置失败: {e}", exc_info=True)
+            return json.dumps(
+                {"success": False, "message": f"查询插件配置时发生错误: {str(e)}"},
+                ensure_ascii=False,
+            )