# PROGRESS — challenger_m2

**Last visited**: 2026-10-02T02:37:45Z
**Status**: COMPLETED

## Steps
- [x] Step 1: Initialize DISPATCH.md, BRIEFING.md, and progress.md
- [x] Step 2: Investigate codebase, assets structure, and client texture loading logic
- [x] Step 3: Write and execute comprehensive adversarial test harness (`tests/unit/test_map_styles_adversarial_stress.py`)
- [x] Step 4: Analyze performance benchmarks, memory consumption, corrupt/zero-byte resilience
- [x] Step 5: Update BRIEFING.md and formulate handoff report with empirical evidence and explicit verdict
- [x] Step 6: Notify orchestrator_14