White the Joke Shop canopy signature band to match the reference

src/game/world_builder.gd

@@ -378,7 +378,9 @@ func _build_comedy_store_building() -> void:
 	var front := cz + d * 0.5
 	var black := Color(0.105, 0.10, 0.105)
 	var black_deep := Color(0.045, 0.045, 0.05)
-	var signature := Color(0.58, 0.56, 0.52)
+	# The canopy carries the real club's white celebrity signatures over the black
+	# fascia; keep them near-white so they read as chalk/paint from the sidewalk.
+	var signature := Color(0.90, 0.88, 0.80)
 	var red := Color(0.42, 0.035, 0.045)
 	# Main hall. The black stucco is the real building's dominant surface: a flat
 	# matte charcoal tile now replaces the grey paver texture so the wall reads as
@@ -408,9 +410,9 @@ func _build_comedy_store_building() -> void:
 		_add_box(building, Vector3(0.20, 0.92, 4.9),
 			Vector3(side * (w * 0.5 - 0.22), 4.98, front + 2.35),
 			black_deep, true, null, Vector2.ONE, "concrete")
-	# Signature scribbles on the fascia and the wall. Keeping them as a few
-	# texture-free labels reads as handwriting at gameplay distance and costs
-	# no extra draw calls compared with stamping dozens of decals.
+	# White signature scribbles on the fascia. Keeping them as a few texture-free
+	# labels reads as handwriting at gameplay distance and costs no extra draw
+	# calls compared with stamping dozens of decals.
 	var scribbles := "Richard Pryor   Robin Williams   George Carlin\n" \
 		+ "Dave Chappelle   Bill Burr   Ali Wong   Marc Maron\n" \
 		+ "Joan Rivers   Sam Kinison   Andrew Dice Clay   Mitzi Shore"

src/test/tests/test_world.gd

@@ -62,6 +62,10 @@ func test_joke_shop_uses_the_real_sunset_strip_layout() -> bool:
 	builder.build()
 	var a := TestUtils.check(root.find_child("SignatureCanopy", true, false) != null,
 		"the signature-covered canopy is built")
+	var sig_label := root.find_child("CanopySignatures_west", true, false) as Label3D
+	var a2 := TestUtils.check(sig_label != null
+		and sig_label.modulate.r > 0.85 and sig_label.modulate.g > 0.85,
+		"the canopy signature band is white, matching the reference's white celebrity names")
 	var sign := root.find_child("ComedySignLabel", true, false) as Label3D
 	var b := TestUtils.check(sign != null and sign.text.contains("JOKE")
 		and sign.text.contains("SHOP"), "the circular blade sign carries the club wordmark")
@@ -90,7 +94,7 @@ func test_joke_shop_uses_the_real_sunset_strip_layout() -> bool:
 		and WorldBuilder.placement_problems(placements).is_empty(),
 		"the Joke Shop prop placements stay on the sidewalk and clear the lane")
 	root.free()
-	return a and b and c and d and e and f and g and g2 and h
+	return a and a2 and b and c and d and e and f and g and g2 and h
 
 func test_joke_shop_geometry_stays_inside_the_map_budget() -> bool:
 	var root := Node3D.new()