fix: stabilize MindSpace local workflows

Signed-off-by: john <cynell@139.com>

mindspace-agent-jobs.mjs

@@ -1,4 +1,5 @@
 import crypto from 'node:crypto';
+import fs from 'node:fs/promises';
 import path from 'node:path';
 
 const JOB_TYPES = new Set(['generate_page', 'analyze_asset', 'summarize']);
@@ -625,6 +626,20 @@ export function createAgentJobService(pool, options = {}) {
     return jobResponse({ ...job, progress_json: JSON.stringify(payload), heartbeat_at: now });
   };
 
+  const setSessionId = async (jobId, token, sessionId) => {
+    await requireJobToken(jobId, token);
+    const normalizedSessionId = String(sessionId ?? '').trim();
+    if (!normalizedSessionId) {
+      throw agentJobError('Agent 会话不能为空', 'invalid_agent_job_input');
+    }
+    await pool.query(
+      `UPDATE h5_agent_jobs
+       SET session_id = ?, updated_at = ?
+       WHERE id = ?`,
+      [normalizedSessionId, nowFactory(), jobId],
+    );
+  };
+
   const completeJob = async (jobId, token, input) => {
     const job = await requireJobToken(jobId, token);
     const now = nowFactory();
@@ -722,6 +737,7 @@ export function createAgentJobService(pool, options = {}) {
     reapStaleJobs,
     getAssetForJob,
     heartbeat,
+    setSessionId,
     completeJob,
   };
 }