feat: Add search_person_credits tool

Co-authored-by: jxxghp <jxxghp@qq.com>

app/agent/tools/factory.py

@@ -22,6 +22,7 @@ from app.agent.tools.impl.query_subscribe_history import QuerySubscribeHistoryTo
 from app.agent.tools.impl.delete_subscribe import DeleteSubscribeTool
 from app.agent.tools.impl.search_media import SearchMediaTool
 from app.agent.tools.impl.search_person import SearchPersonTool
+from app.agent.tools.impl.search_person_credits import SearchPersonCreditsTool
 from app.agent.tools.impl.recognize_media import RecognizeMediaTool
 from app.agent.tools.impl.scrape_metadata import ScrapeMetadataTool
 from app.agent.tools.impl.query_episode_schedule import QueryEpisodeScheduleTool
@@ -55,6 +56,7 @@ class MoviePilotToolFactory:
         tool_definitions = [
             SearchMediaTool,
             SearchPersonTool,
+            SearchPersonCreditsTool,
             RecognizeMediaTool,
             ScrapeMetadataTool,
             QueryEpisodeScheduleTool,

app/agent/tools/impl/search_person_credits.py

@@ -0,0 +1,87 @@
+"""搜索演员参演作品工具"""
+
+import json
+from typing import Optional, Type
+
+from pydantic import BaseModel, Field
+
+from app.agent.tools.base import MoviePilotTool
+from app.chain.douban import DoubanChain
+from app.chain.tmdb import TmdbChain
+from app.chain.bangumi import BangumiChain
+from app.log import logger
+
+
+class SearchPersonCreditsInput(BaseModel):
+    """搜索演员参演作品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")
+    person_id: int = Field(..., description="The ID of the person/actor to search for credits (e.g., 31 for Tom Hanks in TMDB)")
+    source: str = Field(..., description="The data source: 'tmdb' for TheMovieDB, 'douban' for Douban, 'bangumi' for Bangumi")
+    page: Optional[int] = Field(1, description="Page number for pagination (default: 1)")
+
+
+class SearchPersonCreditsTool(MoviePilotTool):
+    name: str = "search_person_credits"
+    description: str = "Search for films and TV shows that a person/actor has appeared in (filmography). Supports searching by person ID from TMDB, Douban, or Bangumi database. Returns a list of media works the person has participated in."
+    args_schema: Type[BaseModel] = SearchPersonCreditsInput
+
+    def get_tool_message(self, **kwargs) -> Optional[str]:
+        """根据搜索参数生成友好的提示消息"""
+        person_id = kwargs.get("person_id", "")
+        source = kwargs.get("source", "")
+        return f"正在搜索人物参演作品: {source} ID {person_id}"
+
+    async def run(self, person_id: int, source: str, page: Optional[int] = 1, **kwargs) -> str:
+        logger.info(f"执行工具: {self.name}, 参数: person_id={person_id}, source={source}, page={page}")
+
+        try:
+            medias = None
+            
+            # 根据source选择相应的chain
+            if source.lower() == "tmdb":
+                tmdb_chain = TmdbChain()
+                medias = await tmdb_chain.async_person_credits(person_id=person_id, page=page)
+            elif source.lower() == "douban":
+                douban_chain = DoubanChain()
+                medias = await douban_chain.async_person_credits(person_id=person_id, page=page)
+            elif source.lower() == "bangumi":
+                bangumi_chain = BangumiChain()
+                medias = await bangumi_chain.async_person_credits(person_id=person_id)
+            else:
+                return f"不支持的数据源: {source}。支持的数据源: tmdb, douban, bangumi"
+
+            if medias:
+                # 限制最多30条结果
+                total_count = len(medias)
+                limited_medias = medias[:30]
+                # 精简字段，只保留关键信息
+                simplified_results = []
+                for media in limited_medias:
+                    simplified = {
+                        "title": media.title,
+                        "en_title": media.en_title,
+                        "year": media.year,
+                        "type": media.type.value if media.type else None,
+                        "season": media.season,
+                        "tmdb_id": media.tmdb_id,
+                        "imdb_id": media.imdb_id,
+                        "douban_id": media.douban_id,
+                        "overview": media.overview[:200] + "..." if media.overview and len(media.overview) > 200 else media.overview,
+                        "vote_average": media.vote_average,
+                        "poster_path": media.poster_path,
+                        "backdrop_path": media.backdrop_path,
+                        "detail_link": media.detail_link
+                    }
+                    simplified_results.append(simplified)
+                
+                result_json = json.dumps(simplified_results, ensure_ascii=False, indent=2)
+                # 如果结果被裁剪，添加提示信息
+                if total_count > 30:
+                    return f"注意：搜索结果共找到 {total_count} 条，为节省上下文空间，仅显示前 30 条结果。\n\n{result_json}"
+                return result_json
+            else:
+                return f"未找到人物 ID {person_id} ({source}) 的参演作品"
+        except Exception as e:
+            error_message = f"搜索演员参演作品失败: {str(e)}"
+            logger.error(f"搜索演员参演作品失败: {e}", exc_info=True)
+            return error_message