# Progress Log - teamwork_preview_worker_m2_1

Last visited: 2026-10-04T04:12:30Z

## Status
- [x] Initialized DISPATCH.md and BRIEFING.md
- [x] Read mandatory inputs:
  - ORIGINAL_REQUEST.md
  - PROJECT.md
  - Explorer survey handoff.md
  - test_ong_den_4d_bim_and_video_export.py (Checks 5 and 6)
- [x] Inspect app/static/bim/index.html current state
- [x] Implement Mobile & Resize Safeguard (Math.max(w, 1) / Math.max(h, 1))
- [x] Implement 4D BIM Player Controls (Feature F7: Play/Pause, speed 1x/2x/5x, steps, slider 1-90, badges, phase jumpers)
- [x] Implement 6-Phase Phasing Simulation Engine (Feature F8: 3 segments, 0 GC allocations, bamboo pile instancing count, Larsen translation)
- [x] Implement Collapsible Site Diary Bottom Dock (Features F9 & F10: 4 panels, grounded 90-day HĐ-2026 data, Zero Occlusion right: 390px, < 0.2ms update)
- [x] Verify using pytest:
  - test_ong_den_4d_bim_and_video_export.py checks 1 to 6 (6/6 PASSED in 6.43s)
  - test_architecture_boundary_enforcement.py (5/5 PASSED in 1.27s)
- [x] Generated & verified screenshots (check_5_player_day35.png, check_6_site_diary_dock.png)
- [x] Write handoff report and notify parent orchestrator