- sidebar collapses on mobile, opens with hamburger menu
- overlay backdrop on mobile when sidebar open
- channel select closes sidebar on mobile
- spec: mobile-responsive is now an acceptance criterion
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- separate DB models from API types (no more "one struct rules all")
- drop utoipa, drop channel membership, drop model from users
- add seq ordering, soft delete, hashed tokens, same-channel reply constraint
- WS auth via first message instead of query param
- reorder stories to vertical slice (conversation model first, deploy early)
- add codex-reviewer subagent for parallel GPT-5.4 reviews
- update critic + ax skills to use codex-reviewer
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
