Add Gemini Flash agentic loop that converts natural language prompts
into real MCP tool call sequences for PCB design (KiCad) and parametric
CAD (FreeCAD). Dynamic schema conversion from MCP tools to Gemini
function declarations, 8-turn/60s loop with real execution and result
feedback.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
