Fix prestige bug after reset

core/game_state.gd

@@ -458,6 +458,8 @@ func reset_for_prestige(reset_total_currency: bool = false, emit_currency_signal
 	generator_buff_levels.clear()
 	generator_buff_unlocked.clear()
 	_goal_completed.clear()
+	for goal_id in _goal_definitions.keys():
+		_goal_completed[goal_id] = false
 
 	if not emit_currency_signals:
 		return
@@ -1113,7 +1115,7 @@ func _complete_goal_manually(goal_id: StringName) -> void:
 	var goal: GoalData = _goal_definitions.get(goal_id, null)
 	if goal == null:
 		return
-	if _goal_completed[goal_id]:
+	if _goal_completed.get(goal_id, false):
 		return
 	if not goal.is_met():
 		return

core/prestige/README.md

@@ -156,7 +156,7 @@ multiplier = base_multiplier * (growth_base ^ total_prestige)
    - Current currencies reset to 0
    - Generator states cleared
    - Buff levels reset to 0
-   - Goal completion cleared
+   - Goal completion cleared and re-initialized
    - Lifetime totals preserved
 5. Generators reinitialized
 6. Save triggered