Add comprehensive test coverage for platform marketing homepage API:
- test_pricing.py: 17 tests for tiers, add-ons, pricing endpoints
- test_letzshop_vendors.py: 22 tests for vendor lookup and claiming
- test_signup.py: 28 tests for multi-step signup flow
Fix signup.py to use correct password hashing from middleware/auth.py
and properly create Company with owner_user_id.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Implement complete marketing homepage for Wizamart targeting Letzshop
vendors in Luxembourg. Includes:
- Marketing homepage with hero, pricing tiers, and add-ons
- 4-step signup wizard with Stripe card collection (30-day trial)
- Letzshop vendor lookup for shop claiming
- Platform API endpoints for pricing, vendors, and signup
- Stripe SetupIntent integration for trial with card upfront
- Database fields for Letzshop vendor identity tracking
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
