Resolved merge conflict in grpc.py and committed staged changes

Fixes for remaining test failures and improvements to test setup

Add more MCP tools, tests, and skip failing tests requiring Gemini API

Mark all slow tests with @pytest.mark.slow

Fix Windows PyWinPTY terminal boundary string drops via bat spool execution and full Windows deployment support

Optimize agent drilldown by parallelizing co-worker rubric generation with main agent execution. Added integration test to verify parallel flow.