- Replace Playwright standalone browser with CDP connection to user Chrome
(bypasses YouTube bot detection by using logged-in Chrome session)
- Add video playback, ad detection/skip, and play confirmation before transcript extraction
- Extract transcript JS to separate resource files (fix SyntaxError in evaluate)
- Add ytInitialPlayerResponse-based transcript extraction as primary method
- Fix token refresh: retry on network error during backend restart
- Fix null userId logout, CLOB type hint for structured_content
- Disable XFCE screen lock/screensaver
- Add troubleshooting entries (#10-12) and YouTube transcript guide
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>