feat(server): 新增智能体运行服务，优化知识库索引存储结构，增强运行时状态管理

server/src/app/services/agent_runs.py

@@ -115,6 +115,38 @@ class AgentRunService:
         logger.info("Updated agent run run_id=%s status=%s", updated.run_id, updated.status)
         return self._serialize_run(updated)
 
+    def merge_route_json(
+        self,
+        run_id: str,
+        route_patch: dict[str, Any],
+        *,
+        status: str | None = None,
+        result_summary: str | None = None,
+        error_message: str | None = None,
+        finished_at: datetime | None = None,
+    ) -> AgentRunRead:
+        self._ensure_ready()
+        run = self.repository.get_by_run_id(run_id)
+        if run is None:
+            raise LookupError("Run not found")
+
+        route_json = dict(run.route_json or {})
+        route_json.update(route_patch or {})
+        run.route_json = route_json
+
+        if status is not None:
+            run.status = status
+        if result_summary is not None:
+            run.result_summary = result_summary
+        if error_message is not None:
+            run.error_message = error_message
+        if finished_at is not None:
+            run.finished_at = finished_at
+
+        updated = self.repository.save_run(run)
+        logger.info("Merged route_json for agent run run_id=%s status=%s", updated.run_id, updated.status)
+        return self._serialize_run(updated)
+
     def record_tool_call(
         self,
         *,