feat: upgrade investigation and presentation runtime

src/routes/chatSessionRoutes.ts

@@ -51,6 +51,7 @@ const taskExecutionPayloadSchema = z.object({
   task_id: z.string().uuid(),
   run_id: z.string().uuid(),
   execution_request_id: z.string().uuid(),
+  agent_instance_id: z.string().trim().min(1).max(128),
   workflow: z.string().trim().min(1).max(120).optional(),
 });
 
@@ -64,6 +65,13 @@ const taskExecutionDebugPayloadSchema = z.object({
   session_id: z.string().trim().min(1).max(128),
 }).strict();
 
+export const buildTaskExecutionPrompt = (workflow?: string) =>
+  `执行宿主绑定的工况任务${workflow ? `：${workflow}` : ""}。` +
+  `第一步分别调用 mcp_tjwater_get_task_context 读取默认摘要和 section="skill"；` +
+  `以返回的 skill.name、skill.version 和 instructions 为本轮业务流程，不沿用记忆中的旧版本。` +
+  `若 Skill 返回不可用或读取失败，明确报告执行异常，不得声称已按某个版本执行。` +
+  `随后按后台调查指令推进当前目标，保存证据、进度和报告；收尾遵循后台调查指令的停止条件。`;
+
 const sessionListQuerySchema = z.object({
   purpose: z.enum(["ordinary_chat", "task_execution", "task_collaboration"]).optional(),
   task_id: z.string().uuid().optional(),
@@ -187,7 +195,7 @@ export const registerChatSessionRoutes = (
           conversation: record.sessionId,
           model,
           stream: true,
-          input: `执行工况任务${workflow ? `：${workflow}` : ""}。先读取后端任务上下文，自主查询并保存证据和调查报告；每次开始真实步骤或改变路线时发布完整 task progress，可用 Mermaid 调查图向人解释方向、分支和依据，图及 todo 均不约束执行。实际查询资料可通过 task presentation 发布，recorded 仅表示已记录，不等待浏览器展示。数据权限由系统配置，关键数据不足时发布最终报告并正常结束本轮，人工审核仅针对具体工单等业务动作。`,
+          input: buildTaskExecutionPrompt(workflow),
         }),
       }).then(async (response) => {
         const reader = response.body?.getReader();
@@ -241,6 +249,7 @@ export const registerChatSessionRoutes = (
       if (
         ["claimed", "running"].includes(activeRun.status)
         && activeRun.agent_session_id === record.sessionId
+        && activeRun.agent_instance_id === config.AGENT_INSTANCE_ID
       ) {
         return "running";
       }
@@ -288,7 +297,6 @@ export const registerChatSessionRoutes = (
       });
       return;
     }
-
     const authContext = getLocalAgentContext(req);
     const projectId = authContext.projectId;
     const userId = authContext.userId;
@@ -604,6 +612,10 @@ export const registerChatSessionRoutes = (
       res.status(400).json({ message: "invalid request payload", detail: parsed.error.flatten() });
       return;
     }
+    if (parsed.data.agent_instance_id !== config.AGENT_INSTANCE_ID) {
+      res.status(409).json({ message: "task execution targeted a different Agent instance" });
+      return;
+    }
     const credential = getTrustedProductCredential(req);
     if (!credential) {
       res.status(401).json({ message: "task execution requires product credentials" });
@@ -636,6 +648,7 @@ export const registerChatSessionRoutes = (
           created: false,
           status: "running",
           model: existing.modelId,
+          agent_instance_id: config.AGENT_INSTANCE_ID,
         });
         return;
       }
@@ -661,6 +674,7 @@ export const registerChatSessionRoutes = (
         created: false,
         status: "running",
         model: taskModel,
+        agent_instance_id: config.AGENT_INSTANCE_ID,
       });
       startTaskExecution(existing, credential, taskModel, parsed.data.workflow);
       return;
@@ -706,6 +720,7 @@ export const registerChatSessionRoutes = (
       created: true,
       status: "running",
       model: taskModel,
+      agent_instance_id: config.AGENT_INSTANCE_ID,
     });
     startTaskExecution(record, credential, taskModel, parsed.data.workflow);
   });