fix: ignore empty env vars so API health check can start

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/routes/health.py

@@ -1,16 +1,28 @@
 from __future__ import annotations
 
+import logging
+
 from fastapi import APIRouter
 
 from packages.config import get_settings
 from packages.db import Repository
 
 router = APIRouter(tags=["health"])
+log = logging.getLogger("health")
 
 
 @router.get("/health")
 def health() -> dict:
-    s = get_settings()
+    try:
+        s = get_settings()
+    except Exception as e:  # noqa: BLE001
+        log.exception("settings load failed: %s", e)
+        return {
+            "ok": False,
+            "service": "market_intel",
+            "product": "比特骆驼行情采集分析",
+            "error": f"settings: {e}",
+        }
     repo = Repository(s.db_path)
     try:
         hb = repo.get_heartbeat()
@@ -29,5 +41,13 @@ def health() -> dict:
             "option_quotes": repo.count_option_quotes(),
             "index_ticks": repo.count_index_ticks(),
         }
+    except Exception as e:  # noqa: BLE001
+        log.exception("health db failed: %s", e)
+        return {
+            "ok": False,
+            "service": "market_intel",
+            "product": "比特骆驼行情采集分析",
+            "error": f"db: {e}",
+        }
     finally:
-        repo.close()
+        repo.close()