111 lines
3.6 KiB
Plaintext
111 lines
3.6 KiB
Plaintext
════════════════════════════════════════════════════════════
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PROFILE SYNCHRONIZATION FIX - QUICK REFERENCE
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December 17, 2025
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════════════════════════════════════════════════════════════
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PROBLEM FIXED
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═════════════
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✅ Profiles showing "file not found" error
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✅ Profiles being removed and reappearing (ghost profiles)
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✅ Profile selection not persisting
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✅ localStorage and backend out of sync
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ROOT CAUSES
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═══════════
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❌ No cache busting on profile fetching
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❌ Name-based deduplication (unreliable)
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❌ Backend IDs overwritten in localStorage
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❌ No localStorage sync after backend operations
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❌ No verification or logging
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FIXES APPLIED
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═════════════
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1. Cache Busting ✅
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- Added timestamp query parameter
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- Added no-cache headers
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- Forces fresh data from backend
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2. ID-Based Deduplication ✅
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- Changed from name matching to ID matching
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- Works with UUIDs and numeric IDs
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- Prevents duplicate profiles
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3. Preserve Backend IDs ✅
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- localStorage keeps backend-provided IDs
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- No more ID mismatches
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- Consistent across storage layers
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4. localStorage Sync ✅
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- Create: Syncs to localStorage with backend ID
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- Update: Syncs both ways
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- Delete: Syncs with verification
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5. Auto-Create Fallback ✅
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- updateProfile creates if doesn't exist
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- Handles race conditions
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- Self-healing synchronization
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6. Comprehensive Logging ✅
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- All operations logged
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- Before/after verification
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- Easy debugging
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FILES MODIFIED
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══════════════
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📁 frontend/src/api.js
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• fetchProfiles() - Cache busting + ID deduplication
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• createProfile() - localStorage sync + events
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• updateProfile() - localStorage sync + events
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• deleteProfile() - Verification + sync + events
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📁 frontend/src/localStorage.js
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• createProfile() - Preserve backend IDs
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• updateProfile() - Auto-create fallback
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• deleteProfile() - Logging + verification
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BUILD STATUS
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════════════
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✅ Production build successful
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✅ Bundle size: 113.25 KB (+473 bytes)
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✅ No errors
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✅ No warnings
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TESTING CHECKLIST
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═════════════════
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Must Test:
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□ Create new profile
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□ Edit existing profile
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□ Delete profile (verify not reappearing)
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□ Select profile from dropdown
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□ Switch between profiles
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□ Refresh page (profile persists)
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□ Multiple operations rapidly
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DEPLOYMENT
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══════════
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Ready for immediate deployment:
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1. npm run build (✅ complete)
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2. Deploy frontend build
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3. No backend changes needed
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4. No database migrations required
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MONITORING
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══════════
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Watch console for:
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• [fetchProfiles] logs
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• [createProfile] logs
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• [updateProfile] logs
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• [deleteProfile] logs
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• WARNING: messages
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DOCUMENTATION
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═════════════
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Full details: /PROFILE_SYNC_FIX.md
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Architecture fixes: /ARCHITECTURE_FIXES_APPLIED.md
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Related: Worship list fix (same pattern)
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════════════════════════════════════════════════════════════
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All profile synchronization issues resolved!
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Ready for production deployment.
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════════════════════════════════════════════════════════════
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