# Progress — explorer_18_1

**Last visited**: 2026-10-02T07:13:40Z
**Status**: Investigation complete. Writing final handoff report with exact diffs and instructions.

## Steps
- [x] Initialized DISPATCH.md, BRIEFING.md, and progress.md
- [x] Read auditor_18_1 handoff report in full
- [x] Read ORIGINAL_REQUEST.md (header ## 2026-10-02T05:17:43Z)
- [x] Read PROJECT.md (orchestrator_16)
- [x] Analyze `tools/serve_web_pc.py` (path traversal vulnerability)
- [x] Analyze `tests/e2e/test_pc_desktop_client_e2e.py` (test error masking)
- [x] Formulate exact code diffs and step-by-step instructions
- [x] Verify security logic and test impact across all test suites
- [ ] Write handoff.md and report to parent