Move the CYW43439 (Pico W) WiFi emulation out of the open-source tree so it can ship as a paid feature in a private overlay. OSS keeps a plain Pico W (no WiFi); the overlay registers the cyw43 protocol + backend network stack at runtime via generic seams. Frontend: - Add simulation/PioPeripheral.ts: a generic "PIO bus peripheral" seam (feedWord / inDiscardableWriteData / resetFraming / hostWakeLevel / onHostWake / onSimulationStart). No factory is installed in OSS, so createPioPeripheral() returns null and a Pico W simulates as a plain Pico. - RP2040Simulator: keep the fragile PIO-FIFO plumbing (it must re-run after loadMicroPython swaps the chip) but drive it through PioPeripheral instead of an inlined cyw43 import (attachCyw43 -> attachPioPeripheral, etc.). - useSimulatorStore: generic attach/detach + setBoardWifiStatus; drop the cyw43 bridge map. - MicroPythonLoader: add registerFirmwareVariant() so an overlay can add the RPI_PICO_W build; remove the OSS pico-w config + bundled .uf2. - Delete simulation/cyw43/ (moved to the overlay). Backend: - core/hooks.py: add generic register_ws_sim_handler / dispatch_ws_sim_message and register_gateway_proxy / dispatch_gateway_proxy seams. - simulation.py: route start_picow / stop_picow / picow_packet_out through the ws_sim_handler hook (the overlay handles + gates them). - iot_gateway.py: resolve the Pico W gateway through the gateway_proxy hook. - Delete services/picow_net/ + picow_net_bridge.py (moved to the overlay). Tests: move the cyw43/picow suites to the overlay; update RP2040Simulator mock stubs to attachPioPeripheral. |
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