Add registration, login, and logout flows with session management
Integrate Resend for email verification tokens
Create frontend auth views and update topbar state
Replace item tags with favorite things to unify entity tagging
Allow multiple maps, times, and weathers per habitat appearance
Make item usage optional and translate API error messages to Chinese
Add .dockerignore files for backend and frontend
Add full CRUD operations for Pokemon, Habitats, Items, Recipes, and Configs
Switch package manager from npm to pnpm across the project
Remove static seed data in favor of UI-driven data management
