chore: support nested schemas on fastmcp

chore: revert fixes

chore: partially add fastmcp

chore: patch fastmcp

chore: update config, enable experimental OpenAPI parser, and add build tooling

fix: Remove duplicate .gemini/settings.json entry in .gitignore

chore: Remove .gemini/settings.json

docs: Update product description in product.md

feat: Add mdformat to pre-commit hooks and configure it

Initial commit

Initial commit