Atomic bump per D11. Brain-plugin-routing v1.0 released. Also closes
missing .brain-version artifact from v1.0 bootstrap. Updates CHANGELOG,
manifest.json version field, and CLAUDE.md version header.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Add short section pointing to new routing document and disabled-in-brain
soft-rule for FD/UPM.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>