- Expand CLAUDE.md with dev commands, architecture overview, and required prefix
- Add workplans/BRIDGE-WP-0001-initial-implementation.md: 8-phase implementation
plan covering FRS FR-1 to FR-26 (23 tasks registered in Custodian State Hub,
workstream bridge-wp-0001)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>