feat: complete mobile UI implementation

project/app_flow_lifecycle_test.gd

@@ -15,6 +15,14 @@ class FakeClient extends Node:
 	signal char_create_failed(reason: int)
 	signal char_deleted(slot: int)
 	signal char_delete_failed()
+	var selects := []
+	var reconnects := 0
+	func select_character(index: int) -> bool:
+		selects.append(index)
+		return true
+	func reconnect() -> bool:
+		reconnects += 1
+		return true
 
 var _fail := 0
 
@@ -41,6 +49,25 @@ func _init() -> void:
 	_ck(client.get_parent() == flow,
 			"AppFlow keeps the same client beside lifecycle coordinator")
 
+	# A live game keeps its scene during a transient disconnect. ReconnectUI
+	# owns the retry while the next character list silently re-enters the last
+	# selected slot instead of flashing the character-select page.
+	flow._game = Node.new()
+	flow.add_child(flow._game)
+	flow._state = AppFlow.GAME
+	flow._selected_char_slot = 2
+	client.disconnected.emit("wifi lost")
+	_ck(flow.state() == AppFlow.GAME and flow._reconnecting_game,
+			"game disconnect enters reconnecting state without leaving GAME")
+	_ck(flow._reconnect != null and flow._reconnect.is_showing(),
+			"game disconnect shows reconnect overlay")
+	client.char_list.emit([{"index": 2, "name": "Hero"}])
+	_ck(client.selects == [2], "reconnect re-enters remembered character slot")
+	client.entered_game.emit()
+	_ck(flow.state() == AppFlow.GAME and not flow._reconnecting_game
+			and not flow._reconnect.is_showing(),
+			"successful reconnect restores GAME and hides overlay")
+
 	flow.queue_free()
 	await process_frame
 	if _fail == 0: