- PROGRESS.md: hard NAT Phase A, relay cross-wiring, 588 tests
- ARCHITECTURE.md: hard NAT port prediction diagram + pattern table
- PRD-p2p-direct.md: Phase 8.6 split into a/b/c/d with status
- PRD-hard-nat.md: Phase A done, B signal ready, effort table updated
- PRD-netcheck.md: port_allocation field + probe documented
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
4-phase design:
A. Port allocation pattern detection (sequential vs random)
B. Sequential port prediction (~80% success, <2s)
C. Birthday attack for random NATs (98% success, ~10s)
D. Hybrid waterfall with background relay-to-direct upgrade
Taskmaster tasks #84-87 added.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
