fix: add retry logic for garmin 429 rate limiting

clusters/homelab/apps/garmin/configmap.yaml

@@ -1,12 +1,5 @@
-apiVersion: v1
-kind: ConfigMap
-metadata:
-  name: garmin-sync-script
-  namespace: garmin
-data:
-  sync.py: |
 import os
-    import json
+import time
 from datetime import date, timedelta
 import psycopg2
 from garminconnect import Garmin
@@ -15,8 +8,22 @@ data:
 password = os.environ["GARMIN_PASSWORD"]
 db_url = os.environ["DATABASE_URL"]
 
+# Retry-Login bei 429
 client = Garmin(email, password)
+for attempt in range(5):
+    try:
         client.login()
+        print(f"Login erfolgreich (Versuch {attempt + 1})")
+        break
+    except Exception as e:
+        if "429" in str(e):
+            wait = 60 * (attempt + 1)
+            print(f"Rate limited (429), warte {wait}s...")
+            time.sleep(wait)
+        else:
+            raise
+else:
+    raise Exception("Login nach 5 Versuchen fehlgeschlagen")
 
 today = date.today()
 start = today - timedelta(days=365 * 3)