diff --git a/apps/api/src/main.py b/apps/api/src/main.py
index bc5ac052..d20bb752 100644
--- a/apps/api/src/main.py
+++ b/apps/api/src/main.py
@@ -80,6 +80,7 @@ from src.core.feature_flags import aiops_flags  # ADR-080: AI 自主化飛輪 fe
 from src.core.http_client import close_all_http_clients, init_all_http_clients
 from src.core.logging import get_logger, setup_logging
 from src.core.redis_client import close_redis_pool, init_redis_pool
+from src.services.flywheel_stats_service import get_flywheel_stats_service
 from src.core.sse import get_publisher
 from src.core.telemetry import setup_telemetry, shutdown_telemetry
 
@@ -1005,10 +1006,17 @@ app.include_router(platform_v1.router, prefix="/api/v1/platform", tags=["AwoooP
 @app.get("/metrics", include_in_schema=False)
 async def prometheus_metrics() -> Response:
     """Prometheus metrics endpoint for alerting"""
-    return Response(
-        content=generate_latest(),
-        media_type=CONTENT_TYPE_LATEST,
-    )
+    content = generate_latest().decode("utf-8")
+    # 2026-05-07 ogt + Claude Sonnet 4.6 — INC-20260507-99ADF2 修復
+    # 飛輪指標（awoooi_flywheel_*）原本只在 /api/v1/stats/flywheel/metrics 暴露，
+    # 110 Prom awoooi-api job scrape /metrics 時抓不到 → FlywheelExecutionRateMissing 永久 firing
+    # 修法：在此串入飛輪指標，讓既有 scrape job 無需新增 job 即可抓到
+    try:
+        flywheel_metrics = await get_flywheel_stats_service().compute()
+        content += flywheel_metrics.to_prometheus_lines()
+    except Exception:
+        logger.warning("prometheus_metrics_flywheel_error")
+    return Response(content=content, media_type=CONTENT_TYPE_LATEST)
 
 
 # =============================================================================