feat: add HuggingFace Spaces deployment configuration

deps: add structlog, aiohttp, pytest-timeout and test markers

fix: update MCP test mocks for streaming HTTP transport

ci: add GitHub Actions CI and pre-commit hooks

feat: add ty type checker and fix async/type correctness

feat: add config module and update dependencies

chore: migrate to uv dependency management

feat: add 18 integration tests verifying FE-BE data flow

chore: initialize project skeleton with pyproject.toml