Small overhaul

scripts/player/player.gd

@@ -207,7 +207,8 @@ func _die() -> void:
 	if RunManager.run_active:
 		RunManager.end_run(false)
 	else:
-		# In hub/practice — just heal to full instead of dying
+		# In hub/practice — signal for practice room handling, then heal
+		EventBus.practice_player_died.emit()
 		stats.heal(stats.max_health)
 
 # ---------------------------------------------------------------------------

scripts/player/player_stats.gd

@@ -143,4 +143,10 @@ func heal(amount: float) -> void:
 	current_health = minf(current_health + amount, max_health)
 
 func _on_part_equipped(_part: Resource, _slot: String) -> void:
-	recalculate()
+	var old_max := max_health
+	recalculate()
+	# If max_health increased, grant the extra HP immediately
+	if max_health > old_max:
+		current_health += (max_health - old_max)
+	# Update UI
+	EventBus.player_health_changed.emit(current_health, max_health)