Artifacts go to .brainstorm/ or global wiki only via explicit user
direction, never auto-promote by analogy. Fixes gap where brainstorm
outputs in meeting-room/. were incorrectly promoted to .wiki/concepts/
without user command.
Version 0.1.0 → 0.1.1 (MINOR — adds rule).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>