The app has been compiling at debug optimization since the port began, costing ~300 KB of flash-mapped footprint against the launcher's hard 50-page (3,276,800 B) app-load ceiling. At -Os current main is 2,973,520 B, ~296 KB under the ceiling. Boot-verified on the device: app starts, C6 esp-hosted link up, Wi-Fi associates. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>