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- Capture the Google profile picture (picture claim) into users.avatar_url; an Avatar component shows it, falling back to the initial. Used in the desktop header and the mobile "You" tab (which now shows the user when signed in). - Move account/settings to its own route /account (robust + scrolls to top), reached by the desktop avatar and the mobile You tab; drop the inline "You" sheet. AccountPanel gains a Sign out action; the page links to Saved/History/ Boundaries via home intent params (?view= / ?open=). - db: users.avatar_url (schema + idempotent migration). 118 tests pass. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>