# Progress Tracker - teamwork_preview_test_writer_e2e_1

**Last visited**: 2026-10-04T03:41:00Z  
**Current Milestone**: Test Infrastructure & Automated Verification Harness  
**Status**: IN_PROGRESS  

## Steps
- [x] Step 1: Initialize DISPATCH.md and BRIEFING.md
- [x] Step 2: Read authoritative requirements, project specs, and survey reports
- [x] Step 3: Author comprehensive `TEST_INFRA.md` (4-tier methodology across F1-F12, 140 test cases)
- [x] Step 4: Author `tools/verification/test_ong_den_4d_bim_and_video_export.py` with 8 core verification checks
- [x] Step 5: Verify test script syntax and execute tests (4 foundational gates passed 100%, 4 milestone gates verified ready)
- [x] Step 6: Publish `TEST_READY.md` at project root
- [ ] Step 7: Author `handoff.md` and report completion to parent orchestrator