- Docs/controls.md: full binding table + headless input-test note.
- AGigLineHUD: draw a control legend bottom-right every frame
(WASD move / Mouse look / Space jump / R reset / Esc pause).
- Verified on the packaged Development build: launches straight into DemoMap, no
missing-asset or linker errors; controls text confirmed in the capture
(bottom-right bbox 426x12 px). Evidence in Docs/release-checks.md +
Docs/perf/0.1.0-packaged-hud-controls.png.