mcp_server_upgrade — 2026-04-02

Summary

Upgraded airfive-mcp from v2.1.0 (Bible v17.1) to v3.0.0 (Bible v18.1). Merged main→master on GitHub, deleted main branch. Full restructure: FastMCP 2→3, Python 3.13→3.14, flattened src/ structure, fixed all Seven Laws. 22 tools preserved, validated via live MCP calls. PR created.