Split ESP-NOW into core/master/slave modules, block non-OTA UART traffic during updates, and hold the host serial port exclusively so dashboard polling cannot interleave with firmware uploads.
Co-authored-by: Cursor <cursoragent@cursor.com>
Share UART OTA logic between CLI and serve via POST /api/ota, WebSocket progress events, and a dashboard upload UI showing the running partition.
Co-authored-by: Cursor <cursoragent@cursor.com>
Firmware buffers 200-byte chunks into 4 KiB blocks for esp_ota_write; goTool
uploads with per-block ACK flow control and larger UART buffers to avoid stalls.
Co-authored-by: Cursor <cursoragent@cursor.com>
