Add user authentication with login/signup/protected routes, boss pokemon
detail fields and result team tracking, moves and abilities selector
components and API, run ownership and visibility controls, and various
UI improvements across encounters, run list, and journal pages.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Add pytest fixtures (engine, db_session, client) with session-scoped
event loop to avoid asyncpg loop mismatch errors. Smoke tests verify
all three main API endpoints return empty results on a clean DB.
Test DB provided by docker-compose.test.yml on port 5433.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
