Keeps the skater directory fully open — NIP-05 is a trust signal, not a gate:
- Extract reusable NIP-05 verification into lib/nip05.ts (parse, fetch well-known, verify against expected pubkey); refactor useCrewNip05 to use it
- New useSkaterVerifications hook: batch-fetches kind-0 metadata for all skaters and verifies each nip05 resolves to its own pubkey, returning a Set of verified pubkeys
- SkatersPage: add a "Verified (N)" toggle (disabled when none verified) that filters to genuinely verified skaters; show ✓ badge only for truly-verified skaters; verified-aware empty state
- NIP19Page profile: nip05 line now reflects real verification (lime ShieldCheck + "Verified" pill when the handle resolves to the key, muted grey otherwise)
Co-authored-by: shakespeare.diy <assistant@shakespeare.diy>
