Restrict progression features to UAT

scripts/ui/block_setup.gd

@@ -1,6 +1,7 @@
 extends VBoxContainer
 
 const Style := preload("res://scripts/ui/ui_style.gd")
+const FeatureFlags := preload("res://scripts/config/feature_flags.gd")
 
 var main: Control
 var selected_system := "All Systems"
@@ -14,6 +15,7 @@ var targeted_setup := false
 var goal_option: OptionButton
 var target_label: Label
 var pending_launch := false
+var goal_row: HBoxContainer
 
 func _ready() -> void:
 	set_anchors_preset(Control.PRESET_FULL_RECT)
@@ -32,7 +34,8 @@ func _ready() -> void:
 	Style.set_label(system_label, 22, Style.CYAN)
 	add_child(system_label)
 
-	var goal_row := HBoxContainer.new()
+	goal_row = HBoxContainer.new()
+	goal_row.visible = FeatureFlags.progression_enabled()
 	var goal_label := Label.new()
 	goal_label.text = "Finish line"
 	goal_row.add_child(goal_label)
@@ -88,7 +91,7 @@ func _ready() -> void:
 
 
 func on_show(payload: Variant = null) -> void:
-	if typeof(payload) == TYPE_DICTIONARY:
+	if typeof(payload) == TYPE_DICTIONARY and FeatureFlags.progression_enabled():
 		targeted_setup = bool(payload.get("mastery_target", false))
 		selected_system = str(payload.get("step3_system", "All Systems"))
 		requested_count = int(payload.get("question_count", 10))
@@ -102,7 +105,7 @@ func on_show(payload: Variant = null) -> void:
 	else:
 		goal_option.set_meta("mastery_target", false)
 		targeted_setup = false
-		selected_system = str(payload) if payload != null else "All Systems"
+		selected_system = str(payload.get("step3_system", "All Systems")) if typeof(payload) == TYPE_DICTIONARY else (str(payload) if payload != null else "All Systems")
 	_refresh_setup()
 
 
@@ -130,6 +133,10 @@ func _start_block() -> void:
 	if not QuestionBankService.has_questions():
 		status_label.text = "Questions have not loaded from the API yet."
 		return
+	if not FeatureFlags.progression_enabled():
+		BlockSessionService.start_block(selected_system, int(size_spin.value), mode_option.get_item_text(mode_option.selected))
+		main.show_screen("player")
+		return
 	pending_launch = true
 	start_button.disabled = true
 	status_label.text = "Preparing your study goal..."