refactor(annotation): 简化知识库集查找逻辑

- 移除项目参数依赖，简化 _find_knowledge_set_by_name 方法
- 删除不再使用的 _parse_metadata 和 _metadata_matches_project 方法
- 更新知识库集创建流程中的查找调用方式
- 统一所有知识库集查找操作的参数结构

runtime/datamate-python/app/module/annotation/service/knowledge_sync.py

@@ -85,7 +85,7 @@ class KnowledgeSyncService:
         base_name = dataset_name.strip() or "annotation-project"
         metadata = self._build_set_metadata(project)
 
-        existing = await self._find_knowledge_set_by_name(base_name, project)
+        existing = await self._find_knowledge_set_by_name(base_name)
         if existing:
             await self._update_project_config(
                 project,
@@ -98,17 +98,17 @@ class KnowledgeSyncService:
 
         created = await self._create_knowledge_set(base_name, metadata)
         if not created:
-            created = await self._find_knowledge_set_by_name(base_name, project)
+            created = await self._find_knowledge_set_by_name(base_name)
 
         if not created:
             fallback_name = self._build_fallback_set_name(base_name, project.id)
-            existing = await self._find_knowledge_set_by_name(fallback_name, project)
+            existing = await self._find_knowledge_set_by_name(fallback_name)
             if existing:
                 created = existing
             else:
                 created = await self._create_knowledge_set(fallback_name, metadata)
                 if not created:
-                    created = await self._find_knowledge_set_by_name(fallback_name, project)
+                    created = await self._find_knowledge_set_by_name(fallback_name)
 
         if not created:
             return None
@@ -153,30 +153,7 @@ class KnowledgeSyncService:
             return []
         return [item for item in content if isinstance(item, dict)]
 
-    def _parse_metadata(self, metadata: Any) -> Optional[Dict[str, Any]]:
-        if not isinstance(metadata, str) or not metadata.strip():
-            return None
-        try:
-            parsed = json.loads(metadata)
-        except Exception:
-            return None
-        return parsed if isinstance(parsed, dict) else None
-
-    def _metadata_matches_project(self, metadata: Any, project: LabelingProject) -> bool:
-        parsed = self._parse_metadata(metadata)
-        if not parsed:
-            return False
-        return (
-            parsed.get("source") == "annotation"
-            and parsed.get("project_id") == project.id
-            and parsed.get("dataset_id") == project.dataset_id
-        )
-
-    async def _find_knowledge_set_by_name(
-        self,
-        name: str,
-        project: LabelingProject,
-    ) -> Optional[Dict[str, Any]]:
+    async def _find_knowledge_set_by_name(self, name: str) -> Optional[Dict[str, Any]]:
         if not name:
             return None
         items = await self._list_knowledge_sets(name)
@@ -185,9 +162,6 @@ class KnowledgeSyncService:
         exact_matches = [item for item in items if item.get("name") == name]
         if not exact_matches:
             return None
-        for item in exact_matches:
-            if self._metadata_matches_project(item.get("metadata"), project):
-                return item
         return exact_matches[0]
 
     async def _create_knowledge_set(self, name: str, metadata: str) -> Optional[Dict[str, Any]]: