feat: Sentinel节点卡片添加HTTP链路延迟显示(横版左下角/网格右上角)

plugins/sentinel/__init__.py

@@ -116,6 +116,7 @@ class Plugin(PluginWebMixin):
                 "system": c.get("system", {}),
                 "platform": c.get("platform", {}),
                 "last_seen": c.get("last_seen", 0),
+                "latency_ms": c.get("latency_ms", 0),
                 "error": c.get("error", ""),
             })
         return web.json_response({"nodes": result})
@@ -195,12 +196,13 @@ class Plugin(PluginWebMixin):
             for node in nodes:
                 if not node.get("enabled", True):
                     continue
-                online, sys_info, err = await self._fetch_system(node)
+                online, sys_info, err, latency = await self._fetch_system(node)
                 _NODE_CACHE[node.get("id", "")] = {
                     "online": online,
                     "system": sys_info or {},
                     "platform": (sys_info or {}).get("platform", {}),
                     "last_seen": time.time(),
+                    "latency_ms": latency,
                     "error": err if not online else "",
                 }
             # 每次轮询都推送 SSE (确保实时性)
@@ -217,14 +219,17 @@ class Plugin(PluginWebMixin):
 
         def _sync_fetch():
             try:
+                t0 = time.time()
                 headers = {"Authorization": f"Bearer {api_key}"} if api_key else {}
                 req = urllib.request.Request(f"{url}{base}/api/system", headers=headers)
                 with urllib.request.urlopen(req, timeout=timeout) as resp:
+                    elapsed = round((time.time() - t0) * 1000)  # ms
                     if resp.status == 200:
-                        return True, _json.loads(resp.read().decode()), ""
-                    return False, None, f"HTTP {resp.status}"
+                        return True, _json.loads(resp.read().decode()), "", elapsed
+                    return False, None, f"HTTP {resp.status}", elapsed
             except Exception as e:
-                return False, None, str(e)[:120]
+                elapsed = round((time.time() - t0) * 1000)
+                return False, None, str(e)[:120], elapsed
 
         return await asyncio.get_event_loop().run_in_executor(None, _sync_fetch)
 
@@ -242,6 +247,7 @@ class Plugin(PluginWebMixin):
                 "system": c.get("system", {}),
                 "platform": c.get("platform", {}),
                 "last_seen": c.get("last_seen", 0),
+                "latency_ms": c.get("latency_ms", 0),
                 "error": c.get("error", ""),
             })
         return result