fix: 修复交互与通知板问题

- 修复Z轴逻辑调整精灵与物品的排序
- 渲染前强制 content_container.modulate.a = 1.0，避免内容区被透明度状态卡住导致看起来空白

scenes/Maps/community.tscn

@@ -11,4 +11,4 @@ texture = ExtResource("1_jrtph")
 
 [node name="CollisionPolygon2D" type="CollisionPolygon2D" parent="."]
 position = Vector2(152, 16)
-polygon = PackedVector2Array(-456, -48, -192, -48, -192, -112, -120, -112, -120, -56, 168, -48, 168, -696, -472, -688, -472, -48)
+polygon = PackedVector2Array(-456, -48, -192, -48, -192, -72, -152, -72, -120, -72, -120, -56, 168, -48, 168, -696, -472, -688, -472, -48)

scenes/Maps/square.tscn

@@ -1079,15 +1079,11 @@ tile_set = SubResource("TileSet_0xqio")
 z_index = -1
 position = Vector2(0, 320)
 
-[node name="NoticeBoard" parent="." instance=ExtResource("16_rixdf")]
+[node name="NPC" parent="." instance=ExtResource("15_0xqio")]
-z_index = 1
+position = Vector2(-81, -64)
-position = Vector2(-184, -76)
 
-[node name="WelcomeBoard" parent="." instance=ExtResource("16_edt5w")]
+[node name="DataWhaleHome" parent="." instance=ExtResource("16_m4als")]
-z_index = 1
+position = Vector2(8, -128)
-y_sort_enabled = true
-position = Vector2(128, -80)
-script = ExtResource("16_u1t8b")
 
 [node name="DefaultSpawn" type="Marker2D" parent="."]
 y_sort_enabled = true
@@ -1097,14 +1093,8 @@ position = Vector2(647, 500)
 y_sort_enabled = true
 position = Vector2(648, 24)
 
-[node name="NPC" parent="." instance=ExtResource("15_0xqio")]
-position = Vector2(-81, -64)
-
-[node name="DataWhaleHome" parent="." instance=ExtResource("16_m4als")]
-position = Vector2(8, -128)
-
 [node name="DoorArea" type="Area2D" parent="."]
-position = Vector2(0, 5)
+position = Vector2(2, 14)
 script = ExtResource("18_0xqio")
 target_scene_name = "room"
 target_spawn_name = "FromSquare"
@@ -1114,8 +1104,17 @@ position = Vector2(644, -62.5)
 shape = SubResource("RectangleShape2D_edt5w")
 
 [node name="Community" parent="." instance=ExtResource("16_0xqio")]
+y_sort_enabled = true
 position = Vector2(646, 3)
 
+[node name="NoticeBoard" parent="." instance=ExtResource("16_rixdf")]
+position = Vector2(-216, -72)
+
+[node name="WelcomeBoard" parent="." instance=ExtResource("16_edt5w")]
+y_sort_enabled = true
+position = Vector2(128, -80)
+script = ExtResource("16_u1t8b")
+
 [node name="Boundaries" type="Node2D" parent="."]
 
 [node name="StaticBody2D" type="StaticBody2D" parent="Boundaries"]

scenes/prefabs/items/NoticeBoard.gd

@@ -3,7 +3,7 @@ extends StaticBody2D
 func interact():
 	# Check if dialog already exists
 	if get_tree().root.has_node("NoticeDialog"):
-		return
+		return null
 		
 	var dialog = preload("res://scenes/ui/notice_dialog.tscn").instantiate()
 	dialog.name = "NoticeDialog"

scenes/prefabs/items/notice_board.tscn

@@ -4,7 +4,7 @@
 [ext_resource type="Texture2D" uid="uid://b4aildrnhbpl4" path="res://assets/materials/NoticeBoard.png" id="2_sprite"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_nb"]
-size = Vector2(160, 53.333332)
+size = Vector2(160, 40)
 
 [node name="NoticeBoard" type="StaticBody2D"]
 scale = Vector2(0.6, 0.6)
@@ -16,5 +16,5 @@ scale = Vector2(0.5, 0.5)
 texture = ExtResource("2_sprite")
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
-position = Vector2(0, 13.333335)
+position = Vector2(0, 6.6666665)
 shape = SubResource("RectangleShape2D_nb")

scenes/prefabs/items/welcome_board.tscn

@@ -3,7 +3,7 @@
 [ext_resource type="Texture2D" uid="uid://v7loa3smfkrd" path="res://assets/materials/WelcomeBoard.png" id="2_sprite"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_board"]
-size = Vector2(112, 26.5)
+size = Vector2(112, 18.5)
 
 [node name="WelcomeBoard" type="StaticBody2D"]
 collision_layer = 3
@@ -13,5 +13,5 @@ scale = Vector2(0.25, 0.25)
 texture = ExtResource("2_sprite")
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
-position = Vector2(0, 18.75)
+position = Vector2(0, 14.75)
 shape = SubResource("RectangleShape2D_board")

scenes/ui/NoticeDialog.gd

@@ -44,13 +44,10 @@ func _ready():
 	prev_btn.pressed.connect(_on_prev_pressed)
 	next_btn.pressed.connect(_on_next_pressed)
 
-	# Network Integration - Use direct callback for better error handling
+	# Local-only setup: use built-in pages directly, no network dependency.
-	# Short timeout (2.0s) so mock data appears quickly if server is down
-	NetworkManager.get_request("/notices", _on_notices_response, 2.0)
-	
-	# Initial Setup (with generic "Loading" state)
 	mock_pages = pages.duplicate(true)
-	pages = [{"text": "[center]Loading notices...[/center]", "image_color": Color(0.9, 0.9, 0.9)}]
+	current_page = 0
+	content_container.modulate.a = 1.0
 	_setup_dots()
 	_update_ui(false)
 
@@ -73,7 +70,8 @@ func _on_notices_response(success: bool, data: Dictionary, _error_info: Dictiona
 	
 	current_page = 0
 	_setup_dots()
-	_update_ui(true)
+	content_container.modulate.a = 1.0
+	_update_ui(false)
 
 
 func _setup_dots():

scenes/ui/notice_dialog.tscn

@@ -1,6 +1,6 @@
 [gd_scene load_steps=3 format=3 uid="uid://rdmro1jxs6ga"]
 
-[ext_resource type="Script" uid="uid://c227m0okmjt2t" path="res://scenes/prefabs/ui/NoticeDialog.gd" id="1_script"]
+[ext_resource type="Script" uid="uid://c227m0okmjt2t" path="res://scenes/ui/NoticeDialog.gd" id="1_script"]
 
 [sub_resource type="StyleBoxFlat" id="StyleBoxFlat_rounded"]
 bg_color = Color(0.95, 0.95, 0.95, 1)

scenes/ui/welcome_dialog.tscn

@@ -1,6 +1,6 @@
 [gd_scene load_steps=5 format=3 uid="uid://d8mam0n1a3b5"]
 
-[ext_resource type="Script" uid="uid://cohijfo0yeo34" path="res://scenes/ui/WelcomeDialog.gd" id="1_vs5b1"]
+[ext_resource type="Script" uid="uid://cohijfo0yeo34" path="res://scenes/prefabs/ui/WelcomeDialog.gd" id="1_vs5b1"]
 [ext_resource type="Texture2D" uid="uid://v7loa3smfkrd" path="res://assets/materials/WelcomeBoard.png" id="2_dy5hw"]
 
 [sub_resource type="StyleBoxFlat" id="StyleBoxFlat_card"]