Merge pull request #172 from openqj/feat-metrics-extended

feat: /metrics 可观测性扩展

cloud/tests/test_prod_gaps.py

@@ -287,6 +287,13 @@ class MetricsAndBackupTestCase(unittest.TestCase):
         self.assertEqual(metrics["fallback_total"], 1)
         self.assertEqual(metrics["cost"]["actual_tokens"], 15)
         self.assertEqual(metrics["cost"]["estimated_tokens"], 20)
+        # 新增观测键：队列深度、worker 聚合、分模型、未定价占比。
+        self.assertEqual(metrics["queue_depth"], {"queued": 0, "running": 0})
+        self.assertEqual(metrics["workers"]["total"], 0)
+        self.assertEqual(metrics["failures_last_24h"], 0)
+        models = {m["model"]: m for m in metrics["cost"]["by_model"]}
+        self.assertEqual(models["gpt-6.1-sol"]["total_tokens"], 35)
+        self.assertIsNotNone(metrics["cost"]["unpriced_share"])
         # 无 key 401。
         status, _ = self._req("GET", "/metrics")
         self.assertEqual(status, 401)