Implement NPC perception, returning trespassers, responder dispatch, wand screening, and accessibility polish

src/game/ui/hud.gd

@@ -4,6 +4,7 @@ extends CanvasLayer
 ## event log, access inspection panel, and a debug overlay.
 
 const Rules := preload("res://src/core/rules.gd")
+const Strings := preload("res://src/core/strings.gd")
 
 var top_label: Label
 var time_label: Label
@@ -14,6 +15,12 @@ var debug_label: Label
 var inspect_panel: PanelContainer
 var inspect_text: Label
 var inspect_meta: Label
+var radio_cooldown_label: Label
+var wand_panel: PanelContainer
+var wand_text: Label
+var wand_meta: Label
+var tone_label: Label
+var escalation_label: Label
 
 var _debug_enabled := false
 var _log_lines: Array[String] = []
@@ -72,11 +79,32 @@ func _init() -> void:
 	vbox.add_child(bottom_spacer)
 
 	var controls := Label.new()
-	controls.text = "Q polite direction · 1-3 simple gestures · 4 warning · 5 block · 6 assist · R emergency · E inspect / close · A allow · D deny · F debug"
+	controls.text = Strings.lookup("hud.controls")
 	controls.add_theme_font_size_override("font_size", 12)
 	controls.modulate = Color(0.8, 0.8, 0.85)
 	vbox.add_child(controls)
 
+	# --- emergency radio cooldown indicator ---
+	radio_cooldown_label = Label.new()
+	radio_cooldown_label.text = ""
+	radio_cooldown_label.add_theme_font_size_override("font_size", 13)
+	radio_cooldown_label.modulate = Color(1, 0.55, 0.45)
+	vbox.add_child(radio_cooldown_label)
+
+	# --- dialogue tone indicator ---
+	tone_label = Label.new()
+	tone_label.text = "Tone: Professional"
+	tone_label.add_theme_font_size_override("font_size", 13)
+	tone_label.modulate = Color(0.7, 0.85, 1.0)
+	vbox.add_child(tone_label)
+
+	# --- escalation level indicator (color-coded) ---
+	escalation_label = Label.new()
+	escalation_label.text = "Escalation: Observation"
+	escalation_label.add_theme_font_size_override("font_size", 13)
+	escalation_label.modulate = Color(0.6, 0.9, 0.6)
+	vbox.add_child(escalation_label)
+
 	# --- inspect panel (popup center) ---
 	inspect_panel = PanelContainer.new()
 	inspect_panel.visible = false
@@ -97,6 +125,25 @@ func _init() -> void:
 	ivbox.add_child(insp_hint)
 	add_child(inspect_panel)
 
+	# --- wand screening panel (popup center) ---
+	wand_panel = PanelContainer.new()
+	wand_panel.visible = false
+	wand_panel.set_anchors_preset(Control.PRESET_CENTER)
+	var wvbox := VBoxContainer.new()
+	wand_panel.add_child(wvbox)
+	wand_text = Label.new()
+	wand_text.add_theme_font_size_override("font_size", 15)
+	wvbox.add_child(wand_text)
+	wand_meta = Label.new()
+	wand_meta.add_theme_font_size_override("font_size", 12)
+	wand_meta.modulate = Color(0.8, 0.85, 1.0)
+	wvbox.add_child(wand_meta)
+	var wand_hint := Label.new()
+	wand_hint.text = "A = admit   D = refuse entry"
+	wand_hint.add_theme_font_size_override("font_size", 12)
+	wvbox.add_child(wand_hint)
+	add_child(wand_panel)
+
 	# --- debug overlay ---
 	debug_label = Label.new()
 	debug_label.visible = false
@@ -116,6 +163,14 @@ func set_shift_state(coordinator: Object, scenario: Resource) -> void:
 		coordinator.reputation.rating,
 		coordinator.crowd.mood * 100.0,
 	]
+	_update_radio_cooldown(coordinator)
+
+func _update_radio_cooldown(coordinator: Object) -> void:
+	var remaining: float = coordinator.radio.emergency_cooldown_remaining
+	if remaining > 0.0:
+		radio_cooldown_label.text = Strings.fmt("hud.cooldown", [remaining])
+	else:
+		radio_cooldown_label.text = ""
 
 func set_target_label(text: String) -> void:
 	target_label.text = text
@@ -123,6 +178,24 @@ func set_target_label(text: String) -> void:
 func set_action_hint(text: String) -> void:
 	hint_label.text = text
 
+func set_tone(tone_name: String) -> void:
+	tone_label.text = Strings.fmt("hud.tone_prefix", [tone_name])
+
+## Color-coded escalation feedback (PLAN.md: Polish and Accessibility).
+## Green → yellow → orange → red as the escalation level rises.
+func set_escalation(level: int) -> void:
+	var name: String = Rules.LEVEL_NAMES.get(level, "Observation")
+	escalation_label.text = Strings.fmt("hud.escalation_prefix", [name])
+	match level:
+		Rules.Level.OBSERVATION, Rules.Level.SIMPLE_DETERRENCE:
+			escalation_label.modulate = Color(0.6, 0.9, 0.6)
+		Rules.Level.FORMAL_WARNING:
+			escalation_label.modulate = Color(0.95, 0.9, 0.4)
+		Rules.Level.BLOCKING:
+			escalation_label.modulate = Color(1.0, 0.65, 0.3)
+		Rules.Level.RADIO_ASSIST, Rules.Level.EMERGENCY:
+			escalation_label.modulate = Color(1.0, 0.35, 0.3)
+
 func log(text: String) -> void:
 	_log_lines.append(text)
 	if _log_lines.size() > 8:
@@ -166,3 +239,25 @@ func show_inspection(controller: Object, artifacts: Array, result: Dictionary) -
 
 func hide_inspection() -> void:
 	inspect_panel.visible = false
+
+func show_wand(controller: Object, result: Dictionary) -> void:
+	var profile: Object = controller.profile
+	var npc_display: String = (profile.display_name if profile else "Person")
+	var alert: bool = result.get("alert", false)
+	wand_text.text = "Wand check — %s\nAlert: %s" % [npc_display, "YES" if alert else "none"]
+	var lines: Array[String] = []
+	if alert:
+		var item: String = result.get("item", "")
+		if result.get("prohibited", false):
+			lines.append("The wand alerts on a suspicious item (%s)." % item)
+			lines.append("Ask the guest to identify it before deciding.")
+		else:
+			lines.append("The wand alerts on a harmless item (%s)." % item)
+			lines.append("Likely a false alarm — keys, belt, or phone.")
+	else:
+		lines.append("No alert. The guest appears clear.")
+	wand_meta.text = "\n".join(lines)
+	wand_panel.visible = true
+
+func hide_wand() -> void:
+	wand_panel.visible = false