Merge branch 'ft_wyt' of http://www.caoxiaozhu.com:13001/YG-Soft/YG_FT into ft_wyt

backend/app/db/platform_store.py

@@ -376,9 +376,9 @@ class PlatformStore:
         pool_kwargs = {
             "connect_timeout": 5,
             "keepalives": 1,
-            "keepalives_idle": 30,
-            "keepalives_interval": 10,
-            "keepalives_count": 5,
+            "keepalives_idle": 10,
+            "keepalives_interval": 5,
+            "keepalives_count": 3,
         }
         self._pool = ConnectionPool(
             conninfo=self.database_url,
@@ -3115,12 +3115,24 @@ class PlatformStore:
         }
 
     def health_metrics(self) -> dict[str, float]:
-        # Health checks must stay lightweight. The Docker healthcheck and page
-        # refresh probes should not wait on dashboard/GPU/database aggregation.
+        # 轻量健康检查：采集真实 CPU/内存/磁盘使用率
+        # 用于顶部栏快速展示与 Docker 健康检查。
+        try:
+            import psutil
+            # cpu_percent(interval=None) 首次调用返回 0，需要短暂采样
+            cpu_percent = float(psutil.cpu_percent(interval=0.1))
+            memory_percent = float(psutil.virtual_memory().percent)
+            # Windows 兼容：尝试当前盘符
+            try:
+                disk_percent = float(psutil.disk_usage('/').percent)
+            except Exception:
+                disk_percent = float(psutil.disk_usage('C:\\').percent)
+        except Exception:
+            cpu_percent = memory_percent = disk_percent = 0.0
         return {
-            "cpu_percent": 0.0,
-            "memory_percent": 0.0,
-            "disk_percent": 0.0,
+            "cpu_percent": round(cpu_percent, 1),
+            "memory_percent": round(memory_percent, 1),
+            "disk_percent": round(disk_percent, 1),
         }
 
     def queue(self) -> list[dict[str, Any]]: