Guide the fleet to the nearest unconquered scan target

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019AJMdB7iuHuLFZM1aBu3GD

ui/ScannerGuidance.tscn

@@ -0,0 +1,32 @@
+[gd_scene load_steps=3 format=3]
+
+[ext_resource type="Script" path="res://ui/ScannerGuidance.gd" id="1"]
+[ext_resource type="Script" path="res://ui/IconButton.gd" id="2"]
+
+[node name="ScannerGuidance" type="Control"]
+visible = false
+mouse_filter = 2
+anchor_right = 1.0
+anchor_bottom = 1.0
+script = ExtResource("1")
+
+[node name="Indicator" type="Control" parent="."]
+mouse_filter = 2
+offset_right = 92.0
+offset_bottom = 92.0
+script = ExtResource("2")
+icon = 4
+glow_color = Color(0.3, 0.95, 1, 1)
+round_frame = true
+
+[node name="TargetLabel" type="Label" parent="."]
+mouse_filter = 2
+offset_right = 420.0
+offset_bottom = 76.0
+theme_override_colors/font_color = Color(0.55, 0.95, 1, 1)
+theme_override_colors/font_outline_color = Color(0.02, 0.02, 0.08, 0.95)
+theme_override_constants/outline_size = 4
+theme_override_font_sizes/font_size = 27
+text = "SCANNER TARGET"
+horizontal_alignment = 1
+vertical_alignment = 1