- user_prefs table in db.py with get/set helpers
- GET/PUT /api/me/prefs endpoints for bulk pref management
- GET/PUT/DELETE /api/me/strava-credentials; PUT preserves existing
secret when client_secret field is left blank
- _strava_creds() helper resolves per-user → instance fallback across
all five Strava endpoints
- Settings page: Navigation card (hide Feed/Community/About toggles)
and Strava credentials card
- Base.astro: ids on feed/community/about nav links; applies
nav_hide_* prefs after login
Davide Scaini
87a69bcc8b