Added a basic vehicle status UI showing mode and a few key datapoints.

scripts/vehicle_status_demo.gd

@@ -0,0 +1,27 @@
+extends VBoxContainer
+
+@onready var panel = $VehicleStatusPanel
+var elapsed := 0.0
+
+func _ready() -> void:
+	$Controls/State.item_selected.connect(_select_state)
+	$Controls/Contrast.toggled.connect(func(high: bool) -> void:
+		theme = load("res://themes/theme_highcontrast.tres" if high else "res://themes/theme.tres")
+	)
+	$Controls/Pulse.toggled.connect(func(enabled: bool) -> void: panel.pulse_alerts = enabled)
+	_select_state(0)
+
+func _select_state(index: int) -> void:
+	match index:
+		0: panel.set_status("STATIONKEEP", 0, "", "Position hold active", "Thrusters enabled")
+		1: panel.set_status("Supply voltage low", 1, "PWR-012", "46.5 V · below 48 V nominal", "Check topside supply and tether load")
+		2: panel.set_status("Enclosure overtemperature", 2, "TMP-003", "68 °C · trip 65 °C · thrusters inhibited", "Inspect cooling before reset")
+		3: panel.set_status("Enclosure overtemperature", 2, "TMP-003", "68 °C · trip 65 °C · thrusters inhibited", "Inspect cooling before reset")
+
+func _process(delta: float) -> void:
+	elapsed += delta
+	match $Controls/State.selected:
+		0: panel.set_telemetry(48.0, 18.2 + sin(elapsed) * 0.6, 874 + sin(elapsed) * 29, 34)
+		1: panel.set_telemetry(46.5, 25.5, 1186, 42)
+		2: panel.set_telemetry(48.0, 2.1, 101, 68)
+		3: pass