chore: bump @hatk/hatk to 0.0.1-alpha.61
Picks up handle re-resolution fixes: #identity firehose events without
a handle field now re-resolve from plc.directory, and backfill no
longer caches stale PDS resolutions across the process lifetime.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>