Replace all clauseguard.com URLs with clauseguardweb.netlify.app

Website↔Extension bridge: auto-detect login, sync user/plan to extension, guest mode, scan history, user bar in popup

Fix extension: remove module type, add 45s timeout for HF cold start, robust error handling

Point extension at live API: gaurv007-clauseguard-api.hf.space

🛡️ ClauseGuard v1.0 — Full codebase: Extension + Website + API + ML