- Remove redundant 1/4 progress counter from header
- Make step indicators mobile-friendly (smaller circles, hidden labels)
- Add CSV URL help text pointing to Letzshop Admin > API > Export Products
- Fix AttributeError in order sync progress (use correct model attributes)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Create onboarding-specific exceptions (OnboardingNotFoundException, etc.)
- Remove HTTPException usage from API endpoints per architecture rules
- Let exceptions propagate to global handler
- Add 12 integration tests for onboarding API endpoints
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Implement 4-step onboarding flow for new vendors after signup:
- Step 1: Company profile setup
- Step 2: Letzshop API configuration with connection testing
- Step 3: Product & order import CSV URL configuration
- Step 4: Historical order sync with progress bar
Key features:
- Blocks dashboard access until completed
- Step indicators with visual progress
- Resume capability (progress persisted in DB)
- Admin skip capability for support cases
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
