- constants.gd: clamp format_game_time input to 0..1439 (Hoshe #2)
- interaction_list.gd: add public hide_list() wrapper (Hoshe #3, Tyre #1)
- main.gd: call hide_list() instead of private _hide()
- time_display.gd: cache font geometry in update_from_state(), use boolean
_has_data flag instead of string guard (Tyre #2)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Time display on InsertOverlay (CanvasLayer 10) shows station local
time (HH:MM), day phase with cycle-tinted color, and day number.
Reads SimulationTime from GameState.game_time via update_from_state().
Adds Constants.format_game_time() helper for testability.
Placeholder layout — position refines when #314 wireframe lands.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>