sl-firmware
e73674f161
Adds ota_display_task (5 Hz) on GC9A01 240×240 round LCD: - Idle: orange dot badge at top-right when update available, version text - Progress: arc sweeping 0→360° around display perimeter with phase label - States: Downloading/Verifying/Applying/Rebooting (Balance) and Downloading/Sending/Done (IO via UART) - Error: red arc + "FAILED RETRY?" prompt Display primitives (fill_rect, draw_string, draw_arc) are stubs called from the GC9A01 SPI driver layer (separate driver bead). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>