feat: lthn.io CorePHP app — TLD website + blockchain services
Modules:
- Chain: daemon RPC client (DaemonRpc singleton, cached queries)
- Explorer: block browser, tx viewer, alias directory, search, stats API
- Names: .lthn TLD registrar portal (availability check, lookup, directory)
- Trade: scaffold (DEX frontend + API)
- Pool: scaffold (mining pool dashboard)
Replaces 5 Node.js containers (5.9GB) with one FrankenPHP app.
Built on CorePHP framework pattern from host.uk.com.
Co-Authored-By: Charon <charon@lethean.io>
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