Maps all WZP-S-* (our side) and WZP-FC-* (featherChat side) tasks
with status tracking and priority order.
Key findings:
- WZP-S-1 (HKDF alignment): DONE — both use None salt, info strings match
- WZP-S-9: 6 hardcoded assumptions documented for fixing
- Priority: identity test → CLI seed → CallSignal variant → auth → handshake
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>