feat: 更新后端平台模块、Compute引擎、前端组件及构建产物

- 更新 backend 平台 API、platform_store、compute_gateway sync
- 更新 compute agent/engine/adapter 及 API
- 更新 Docker 部署配置（app/compute）
- 新增 frontend/src/utils/ 工具模块
- 新增 scripts/ops_diagnostics.py 运维诊断脚本
- 新增 docs/2026-07-23-development-summary.md 开发总结
- 重构 frontend/dist 构建产物（新 hash）
- 更新前端多个视图组件及 API 模块

Co-Authored-By: Claude <noreply@anthropic.com>

backend/app/modules/compute_gateway/sync.py

@@ -20,8 +20,25 @@ async def poll_compute_jobs_once() -> dict[str, Any]:
             failed.append({"task_id": task["id"], "error": "compute node not found"})
             continue
         try:
-            job = await ComputeNodeClient(node["api_base_url"]).get_job(task["compute_job_id"])
+            client = ComputeNodeClient(node["api_base_url"])
+            job = await client.get_job(task["compute_job_id"])
+            try:
+                logs = await client.job_logs(task["compute_job_id"], tail_lines=5000)
+                store.record_training_log_metrics(task["id"], str(logs.get("content") or ""))
+            except Exception:
+                pass
             synced.append(store.apply_compute_job(task["id"], job))
         except Exception as exc:  # noqa: BLE001 - keep polling other jobs
             failed.append({"task_id": task["id"], "error": str(exc)})
-    return {"synced": len(synced), "failed": failed, "items": synced}
+    standalone_synced: list[dict[str, Any]] = []
+    for record in store.active_standalone_compute_jobs():
+        node = next((item for item in store.compute_nodes() if item["id"] == record.get("node_id")), None)
+        if not node:
+            failed.append({"job_id": record["id"], "error": "compute node not found"})
+            continue
+        try:
+            job = await ComputeNodeClient(node["api_base_url"]).get_job(record["id"])
+            standalone_synced.append(store.sync_model_merge_job(record["id"], job))
+        except Exception as exc:  # noqa: BLE001 - keep polling other jobs
+            failed.append({"job_id": record["id"], "error": str(exc)})
+    return {"synced": len(synced) + len(standalone_synced), "failed": failed, "items": synced, "standalone": standalone_synced}