Changelog:

• http4k-*: Upgrade versions
• http4k-ai-mcp-sdk*: [Pro: Breaking] - Update MCP SDK to support latest MCP specification (2025-11-25), including support for Tasks, expanded Tool support, URL Form Elicitations and Sampling upgrades. Plus conformance updates to the latest MCP conformance tests. Also support for MCP Apps spec, allowing UIs to be usable inside Claude Code and friends. Small tweaks to the API surface which should be simple to fix.
• http4k-ai-mcp-client*: [Pro: Breaking] - Updated client to support MCP 2025-11-25 features.
• http4k-ai-mcp-testing*: [Pro: New module!] - Clients for testing MCP servers and a basic MCP Apps host to test out MCP Apps (UIs which can live in Claude and co)