feat: source Garmin credentials from the profile instead of env vars

backend/cmd/smartrund/main.go

@@ -30,11 +30,16 @@ func main() {
 	}
 	defer db.Close()
 
+	profile, err := db.GetProfile(context.Background())
+	if err != nil {
+		log.Fatalf("load profile: %v", err)
+	}
+
 	garminClient := garmin.NewClient(garmin.Config{
 		PythonPath:     cfg.GarminPythonPath,
 		ServerPath:     cfg.GarminServerPath,
-		GarminEmail:    cfg.GarminEmail,
-		GarminPassword: cfg.GarminPassword,
+		GarminEmail:    profile.GarminEmail,
+		GarminPassword: profile.GarminPassword,
 		TokenStorePath: cfg.GarminTokenStore,
 	})
 	defer garminClient.Close()
@@ -42,7 +47,6 @@ func main() {
 	syncSvc := appsync.NewService(garminClient, db, appsync.Config{
 		BackfillHorizonDays: cfg.BackfillHorizonDays,
 		MinConfidence:       cfg.MinConfidence,
-		MaxHR:               cfg.MaxHR,
 	}, nil)
 
 	server := api.NewServer(db, garminClient, syncSvc)