Expand dummy photographer seed data to 7 profiles

Auto-seed in-memory database with dummy photographers on startup

Fix getPhotographerById to support dual-role accounts

Hardcode JWT fallback to fix registration crashes

Fix Express 5 wildcard route syntax

Replace tricky MongoDB Atlas with a zero-config in-memory database

Restore Hugging Face Space configuration

Add Dockerfile for Hugging Face deployment

Deployment preparation: Configure Vercel, API URLs, and CORS

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