Companion to the Bug A wrong-scope handoff (35c266a). Provides the
boxed copy-paste prompt for a fresh session + quick reference for the
user and the helper:
- Branch state + KEEP/REMOVE recommendation
- Anti-patterns to avoid (don't repeat Bug A, validate risks with
probe data, stop at three failed verifications)
- Code anchors for Mechanisms A/B/C in our code
- Retail decomp anchors for the doorway investigation
- Probe + diagnostic env var menu
- 5-scenario visual verification list
- Launch command with UTF-8 conversion step
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>