Release 1.0.0-alpha22

New standalone package: code-wheel/mcp-http-security
- API key management with secure hashing (SHA-256 + pepper)
- IP allowlisting with CIDR support (IPv4/IPv6)
- Origin/hostname allowlisting with wildcard subdomains
- PSR-15 SecurityMiddleware for any PHP framework
- Multiple storage backends: Array, File, PDO

Drupal adapters for extracted package:
- DrupalStateStorage - bridges Drupal State API
- DrupalClock - bridges Drupal TimeInterface to PSR-20

mcp_tools_remote now delegates to extracted package.
Backward compatible - existing API keys continue to work.