phase 1-6 implemented

apps/mobile/src/app/(auth)/onboarding.tsx

@@ -12,6 +12,7 @@ import {
 import { useUser, useAuth } from "@clerk/clerk-expo";
 import { useRouter } from "expo-router";
 import { fitnessProfileApi } from "@/api/fitnessProfile";
+import log from "../../utils/logger";
 
 export default function OnboardingScreen() {
   const { user } = useUser();
@@ -37,7 +38,7 @@ export default function OnboardingScreen() {
           setGyms(data);
         }
       } catch (e) {
-        console.error("Failed to fetch gyms:", e);
+        log.error("Failed to fetch gyms", e);
       } finally {
         setGymsLoading(false);
       }
@@ -84,7 +85,7 @@ export default function OnboardingScreen() {
           body: JSON.stringify({ gymId: selectedGymId }),
         });
       } catch (e) {
-        console.warn("Failed to update gym selection:", e);
+        log.warn("Failed to update gym selection", { gymId: selectedGymId });
       }
 
       const fitnessData = {
@@ -108,7 +109,7 @@ export default function OnboardingScreen() {
       await fitnessProfileApi.createFitnessProfile(fitnessData, token);
       router.replace("/(tabs)");
     } catch (error) {
-      console.error("Error creating fitness profile:", error);
+      log.error("Failed to create fitness profile", error);
       Alert.alert(
         "Error",
         "Failed to create fitness profile. Please try again.",