forked from 1b-agent/fieldcraft-upstream
The window's paint callback (slots, prepare, paint) draws the sample, its symbols and an overlay into the capture's offscreen pass; the pixels equal Capturer::rgba's. Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01UhhZMBTviDQxZvwnyP89fo