Restrict progression features to UAT

scripts/ui/main.gd

@@ -4,6 +4,7 @@ const Style := preload("res://scripts/ui/ui_style.gd")
 const Brand := preload("res://scripts/ui/medmind_style.gd")
 const NavigationRoutes := preload("res://scripts/ui/navigation_routes.gd")
 const CreditsBadge := preload("res://scripts/ui/credits_badge.gd")
+const FeatureFlags := preload("res://scripts/config/feature_flags.gd")
 
 var screens := {}
 var _account_profile_synced := false
@@ -39,7 +40,8 @@ func _ready() -> void:
 	Style.apply_app_theme(self)
 	_build_ui()
 	CreditsService.award_received.connect(_show_coin_award)
-	StudySessionService.session_completed.connect(_on_study_session_completed)
+	if FeatureFlags.progression_enabled():
+		StudySessionService.session_completed.connect(_on_study_session_completed)
 	theme_service.theme_changed.connect(_on_theme_changed)
 	resized.connect(_update_responsive_layout)
 	_update_responsive_layout()
@@ -47,6 +49,8 @@ func _ready() -> void:
 
 
 func _on_study_session_completed(summary: Dictionary) -> void:
+	if not FeatureFlags.progression_enabled():
+		return
 	WeeklyGoalService.refresh()
 	call_deferred("show_screen", "session_summary", summary)
 
@@ -293,11 +297,12 @@ func _build_ui() -> void:
 	screens_container.add_child(review)
 	screens["review"] = review
 
-	var session_summary := preload("res://scripts/ui/session_summary.gd").new()
-	session_summary.name = "SessionSummary"
-	session_summary.main = self
-	screens_container.add_child(session_summary)
-	screens["session_summary"] = session_summary
+	if FeatureFlags.progression_enabled():
+		var session_summary := preload("res://scripts/ui/session_summary.gd").new()
+		session_summary.name = "SessionSummary"
+		session_summary.main = self
+		screens_container.add_child(session_summary)
+		screens["session_summary"] = session_summary
 
 	var review_queue_results := preload("res://scripts/ui/review_queue_results.gd").new()
 	review_queue_results.name = "ReviewQueueResults"