Verification gates

[aram356]

Description

Run full verification suite across all adapters (Fastly, Axum, Cloudflare).

Done when

• Route parity all routes
• Cross-adapter behavior (status/body/headers/cookies/signing)
• Admin key routes (success/auth-fail/validation-fail/storage-fail)
• Basic-auth parity (401, WWW-Authenticate, path matching)
• Auction async fan-out + error-correlation
• HTML golden tests
• p95 latency + response size regression checks pass

Blocked by

PRs 16-17

References

• docs/internal/EDGEZERO_MIGRATION.md — Phase 5: Verification, Cutover, and Rollback
• Part of EdgeZero Integration #480