Kozou v1.15.0

What's Changed

• Docs: pin the MCP authorization spec revision in the v1.13.0 entry by @takashi-matsuyama in #218
• benchmarks: C-10 comparison benchmark redesign (legacy schema, agentic loop, cost, gates, stats) by @takashi-matsuyama in #220
• feat(mcp): add search_schema tool for selective metadata search by @takashi-matsuyama in #222
• release: v1.15.0 — MCP search_schema metadata search tool by @takashi-matsuyama in #223

Full Changelog: v1.14.0...v1.15.0