- feat(project-home): Project Home actions moved to built-in macros ("Project Home", "Demo Video")
- feat(project-home): 30-second self-contained HTML/JS demo video (demo-video-builder persona, project_demo_video_write MCP tool, CSP-locked write route, sandboxed player)
- feat(seed): project-home-builder v2 (sonnet/medium, rewritten prompt); architect opus/medium; dev-lead sonnet/medium
- feat(chat): Session chat restyle (compact header, launch briefing card, underline tabs + Detail dial, flat turns, dark user bubbles, inline tool chips, single working row, composer with inline mic/attach)
- fix(security): demo-video CSP header + injection hardening + frame-navigation block
- fix(gitExec.test): deterministic timeout test

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>