Asteroid columns left of the buildable edge (x < -currentAsteroidWidth)
are reachable by the camera but not yet unlocked by expansion. Paint a
semi-transparent grey overlay over them so the locked area reads as
distinct from the buildable asteroid. The tint colour is config-driven
via overlays.locked_asteroid, matching the other overlay visuals.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DZR44tA8sn4dPqDzAVXyps
Implement REQ-UI-BLOCKS-TOOLTIP: an optional world.toml
[world].building_blocks_tooltip, threaded into HeaderBar via a new
const GameConfig* parameter and shown as the building blocks stock label's
hover tooltip. Omitted when unset. Author the text in the app config and
extend ConfigLoaderTest to cover the field.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DZR44tA8sn4dPqDzAVXyps
Implement REQ-UI-BUILD-TOOLTIP and REQ-MOD-UI-MODULE-TOOLTIP: an optional
tooltip string on BuildingDef and ModuleDef, parsed from buildings.toml and
modules.toml and shown as the build/module button's hover tooltip. Omitted
when unset. Author descriptions for all buildings and modules in the app
config, and extend ConfigLoaderTest to cover the optional field.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DZR44tA8sn4dPqDzAVXyps
