Hardware Spec Assembly

Define hardware project BOMs with ESP32-first focus — onboarding captures location/vendors/on-hand gear, then skills for spec creation, live web research of parts (AliExpress/Adafruit/etc.), budgeting, sourcing, compatibility checks, wiring specs, PCB design starting points, assembly instructions, 3D-printable suggestions, and AI-generated mockups via fal.ai nano-banana.