fix(ci): report provider degradation as warning

.gitea/workflows/cd.yaml

@@ -1383,10 +1383,10 @@ jobs:
 
       - name: Notify Health Check Success
         env:
-          SMOKE_RESULT: ${{ steps.smoke.outcome == 'success' && '✅' || '⚠️' }}
-          ALERT_CHAIN_RESULT: ${{ steps.alert_chain_smoke.outcome == 'success' && '✅' || '⚠️' }}
-          MONITORING_RESULT: ${{ steps.monitoring_coverage.outcome == 'success' && '✅' || '⚠️' }}
-          SOURCE_LINK_RESULT: ${{ steps.source_correlation_apply_smoke.outcome == 'success' && '✅' || '⚠️' }}
+          SMOKE_RESULT: ${{ steps.smoke.outputs.smoke_status == 'pass' && '✅' || '⚠️' }}
+          ALERT_CHAIN_RESULT: ${{ steps.alert_chain_smoke.outputs.alert_chain_status == 'pass' && '✅' || '⚠️' }}
+          MONITORING_RESULT: ${{ steps.monitoring_coverage.outputs.coverage_status == 'pass' && '✅' || '⚠️' }}
+          SOURCE_LINK_RESULT: ${{ steps.source_correlation_apply_smoke.outputs.source_correlation_apply_status == 'pass' && '✅' || '⚠️' }}
         run: |
           END_TIME=$(date +%s)
           DURATION=$((END_TIME - ${{ steps.commit.outputs.start_time }}))

apps/api/tests/test_alert_chain_smoke_metric.py

@@ -17,6 +17,64 @@ SPEC.loader.exec_module(alert_chain_smoke_test)
 
 
 class AlertChainSmokeMetricTest(unittest.TestCase):
+    def test_api_health_passes_when_only_provider_is_degraded(self):
+        def fake_get(url, *, params=None, timeout=None):
+            self.assertTrue(url.endswith("/api/v1/health"))
+            return alert_chain_smoke_test.HttpGetResult(
+                200,
+                json.dumps(
+                    {
+                        "status": "degraded",
+                        "environment": "prod",
+                        "components": {
+                            "api": {"status": "up"},
+                            "postgresql": {"status": "up"},
+                            "redis": {"status": "up"},
+                            "ollama": {"status": "down", "error": "timeout"},
+                            "signoz": {"status": "up"},
+                        },
+                    }
+                ),
+            )
+
+        original_get = alert_chain_smoke_test.http_get
+        try:
+            alert_chain_smoke_test.http_get = fake_get
+            result = alert_chain_smoke_test.check_api_health("http://api")
+        finally:
+            alert_chain_smoke_test.http_get = original_get
+
+        self.assertTrue(result.passed)
+        self.assertIn("非阻塞降級: ollama", result.message)
+
+    def test_api_health_fails_when_core_component_is_down(self):
+        def fake_get(url, *, params=None, timeout=None):
+            self.assertTrue(url.endswith("/api/v1/health"))
+            return alert_chain_smoke_test.HttpGetResult(
+                200,
+                json.dumps(
+                    {
+                        "status": "degraded",
+                        "components": {
+                            "api": {"status": "up"},
+                            "postgresql": {"status": "down"},
+                            "redis": {"status": "up"},
+                            "ollama": {"status": "up"},
+                        },
+                    }
+                ),
+            )
+
+        original_get = alert_chain_smoke_test.http_get
+        try:
+            alert_chain_smoke_test.http_get = fake_get
+            result = alert_chain_smoke_test.check_api_health("http://api")
+        finally:
+            alert_chain_smoke_test.http_get = original_get
+
+        self.assertFalse(result.passed)
+        self.assertIn("核心組件異常: postgresql", result.message)
+
     def test_parse_app_alert_chain_metric_samples(self):
         samples = alert_chain_smoke_test.parse_app_alert_chain_metric_samples(
             "\n".join([

scripts/alert_chain_smoke_test.py

@@ -5,7 +5,7 @@ AWOOOI Alert Chain Smoke Test
 Wave A.6 (ADR-037): 驗證告警鏈路 E2E 完整性
 
 檢查項目:
-  1. API Health — /api/v1/health 全組件 UP
+  1. API Health — /api/v1/health 核心組件 UP，AI provider 降級列為警告
   2. Alert Chain Metric — awoooi_alert_chain_last_success_timestamp 不超過 2h
   3. Webhook 可達性 — /api/v1/webhooks/alertmanager, /signoz, /sentry health
   4. Telegram Secret — K8s Secret 存在且非空
@@ -215,7 +215,7 @@ class SmokeTestReport:
 # 檢查函數
 # =============================================================================
 def check_api_health(api_url: str) -> CheckResult:
-    """Check 1: API Health — 所有組件必須 UP"""
+    """Check 1: API Health — core runtime must be up; provider degradation is warning evidence."""
     try:
         resp = http_get(f"{api_url}/api/v1/health", timeout=TIMEOUT)
         data = resp.json()
@@ -223,25 +223,28 @@ def check_api_health(api_url: str) -> CheckResult:
         if resp.status_code >= 400:
             return CheckResult("API Health", False, f"HTTP {resp.status_code}")
 
-        if data.get("status") != "healthy":
+        components = data.get("components", {})
+        core_components = ("api", "postgresql", "redis")
+        down_core_components = [
+            name for name in core_components
+            if components.get(name, {}).get("status") != "up"
+        ]
+        if down_core_components:
             return CheckResult(
                 "API Health",
                 False,
-                f"API status={data.get('status')} (expected healthy)",
+                f"核心組件異常: {', '.join(down_core_components)}",
             )
 
-        # 檢查每個組件
-        components = data.get("components", {})
         down_components = [
             name for name, info in components.items()
             if info.get("status") != "up"
         ]
-
         if down_components:
             return CheckResult(
                 "API Health",
-                False,
-                f"組件異常: {', '.join(down_components)}",
+                True,
+                f"核心組件 UP；非阻塞降級: {', '.join(down_components)}",
             )
 
         return CheckResult(