gitignore: add config.local.js and CLAUDE_DEV.md for local recording setup

reduced the token cound and redundant chat conversation

Add first-party visit logging middleware + analyzer

chore: stop tracking libretranslate.pid

chore: remove binary screenshot for HF Spaces compatibility

feat: add start/stop scripts and update .gitignore

Ignore Clinic case archives

Added CHANGELOG.md and .gitignore for repo hygiene