Refit the tourist backpack and photo prop

Hide the tourist photo-pose bag outside camera poses, flatten the backpack straps onto the chest, rebuild the gear GLB/AO and publish the before/after NPC sheet.

src/game/npc_avatar.gd

@@ -114,6 +114,7 @@ var _focus_circle: MeshInstance3D = null
 var _name_tag: Label3D = null
 ## Theater props and limbs for the idle poses (ADR-0010 rig).
 var _photo_prop: MeshInstance3D = null
+var _photo_flash: MeshInstance3D = null
 var _sign_prop: MeshInstance3D = null
 var _legs: Array[Node3D] = []
 var _arms: Array[Node3D] = []
@@ -891,8 +892,11 @@ func _add_props(npc_type: int) -> void:
 	match npc_type:
 		Rules.NpcType.INFLUENCER:
 			_photo_prop = _add_box_prop(_rig, Vector3(0.16, 0.1, 0.09), Vector3(0.3, chest_y, 0.22), Color(0.1, 0.1, 0.1))
+			_photo_prop.name = "PhotoProp"
+			_photo_prop.visible = false
 			_photo_prop_base_y = _photo_prop.position.y
-			_add_box_prop(_rig, Vector3(0.05, 0.05, 0.06), Vector3(0.34, chest_y + 0.06, 0.30), Color(0.4, 0.7, 1.0))
+			_photo_flash = _add_box_prop(_rig, Vector3(0.05, 0.05, 0.06), Vector3(0.34, chest_y + 0.06, 0.30), Color(0.4, 0.7, 1.0))
+			_photo_flash.visible = false
 		Rules.NpcType.DELIVERY:
 			_add_box_prop(_rig, Vector3(0.34, 0.26, 0.28), Vector3(0.0, 1.02, 0.3), Color(0.55, 0.4, 0.25))
 		Rules.NpcType.PERFORMER:
@@ -917,6 +921,8 @@ func _add_props(npc_type: int) -> void:
 			_sign_prop_base_y = _sign_prop.position.y
 		Rules.NpcType.TOURIST:
 			_photo_prop = _add_box_prop(_rig, Vector3(0.3, 0.36, 0.14), Vector3(-0.34, 1.15, -0.18), Color(0.25, 0.3, 0.45))
+			_photo_prop.name = "PhotoProp"
+			_photo_prop.visible = false
 			_photo_prop_base_y = _photo_prop.position.y
 		Rules.NpcType.CONFUSED_VISITOR:
 			_add_box_prop(_rig, Vector3(0.3, 0.05, 0.34), Vector3(0, 0.92, 0.06), Color(0.9, 0.88, 0.8))
@@ -1042,6 +1048,12 @@ static func prop_lift_for_pose(pose: String, phase: float) -> float:
 		return 0.0
 	return maxf(0.0, sin(phase * 1.7)) * 0.16
 
+## The tourist's camera bag and the influencer's chest camera are only part of
+## the silhouette while the character is actually taking photos. Keeping them
+## hidden at other times prevents the tourist from reading as two backpacks.
+static func photo_prop_visible_for_pose(pose: String) -> bool:
+	return pose == "photo" or pose == "film"
+
 ## Opposite arm/leg swing for the walk cycle. `side` is 0 or 1; pure so the gait
 ## can be checked without a scene tree.
 static func limb_swing(phase: float, side: int, amplitude: float) -> float:
@@ -1060,6 +1072,10 @@ func _animate(delta: float) -> void:
 	var pose := theater_pose()
 	var escalation: int = npc.highest_escalation_received if npc != null else 0
 	var crouch := crouch_for_pose(pose)
+	if _photo_prop:
+		_photo_prop.visible = photo_prop_visible_for_pose(pose)
+	if _photo_flash:
+		_photo_flash.visible = photo_prop_visible_for_pose(pose)
 	if speed > 0.3:
 		_idle_t = 0.0
 		_bob_phase += delta * (6.0 + speed * 1.7)