Remove outdated docs, consolidate into README

Close all remaining security findings: slash timelock, vouch expiry, Redis rate-limit (batch 8 — FINAL)

Add UUPS storage gaps to all 8 upgradeable contracts (batch 7)

Fix 10 security findings: RSA-4096, error whitelisting, emergency pause, mint cap (batch 6)

Fix 3 MEDIUM + 11 LOW security findings (batch 5)

Fix 1 HIGH + 11 MEDIUM security findings (batch 4)

Fix 13 MEDIUM security findings (batch 3)

Fix remaining 13 HIGH security findings + 4 bonus MEDIUM fixes (batch 2)

Fix 12 security findings from consolidated Claude+Codex audit

Add Bot Shield system and clean up git hygiene

Audit round 3: fix race conditions, idempotency, deps, and staking limits

Audit round 2: fix 6 additional issues found in full project audit

Security audit fixes: patch all 16 issues across 7 smart contracts

Update Shopify and WordPress with real Station URL, add Heroku deploy configs

Register Heroku addon manifest with marketplace (3 plans live)