feat: 运行时日志系统，Pino + pino-pretty + pino-roll，console/file 双输出，敏感信息 redaction

tests/server/helpers.test.ts

@@ -143,14 +143,8 @@ describe("mapCheckResult", () => {
   });
 
   test("损坏 observation JSON 返回 null observation", () => {
-    const originalWarn = console.warn;
-    console.warn = () => undefined;
-    try {
-      const result = mapCheckResult(makeRow({ observation: "{invalid json" }), "http");
-      expect(result.detail).toBeNull();
-      expect(result.observation).toBeNull();
-    } finally {
-      console.warn = originalWarn;
-    }
+    const result = mapCheckResult(makeRow({ observation: "{invalid json" }), "http");
+    expect(result.detail).toBeNull();
+    expect(result.observation).toBeNull();
   });
 });