chore: 项目文件结构重构

删除多个不再使用的源文件，包括动画、下载、配置、UI 相关文件及图标，清理代码库以提高可维护性。

source/workers/config_fetch_thread.py

@@ -0,0 +1,52 @@
+import json
+import requests
+from PySide6.QtCore import QThread, Signal
+
+class ConfigFetchThread(QThread):
+    finished = Signal(object, str)  # data, error_message
+
+    def __init__(self, url, headers, debug_mode=False, parent=None):
+        super().__init__(parent)
+        self.url = url
+        self.headers = headers
+        self.debug_mode = debug_mode
+
+    def run(self):
+        try:
+            if self.debug_mode:
+                print("--- Starting to fetch cloud config ---")
+                print(f"DEBUG: Requesting URL: {self.url}")
+                print(f"DEBUG: Using Headers: {self.headers}")
+
+            response = requests.get(self.url, headers=self.headers, timeout=10)
+
+            if self.debug_mode:
+                print(f"DEBUG: Response Status Code: {response.status_code}")
+                print(f"DEBUG: Response Headers: {response.headers}")
+                print(f"DEBUG: Response Text: {response.text}")
+
+            response.raise_for_status()
+            
+            # 首先，总是尝试解析JSON
+            config_data = response.json()
+
+            # 检查是否是要求更新的错误信息
+            if config_data.get("message") == "请使用最新版本的FRAISEMOE Addons Installer NEXT进行下载安装":
+                self.finished.emit(None, "update_required")
+                return
+
+            # 检查是否是有效的配置文件
+            required_keys = [f"vol.{i+1}.data" for i in range(4)] + ["after.data"]
+            missing_keys = [key for key in required_keys if key not in config_data]
+            if missing_keys:
+                self.finished.emit(None, f"missing_keys:{','.join(missing_keys)}")
+                return
+
+            self.finished.emit(config_data, "")
+        except requests.exceptions.RequestException as e:
+            self.finished.emit(None, f"网络请求失败: {e}")
+        except (ValueError, json.JSONDecodeError) as e:
+            self.finished.emit(None, f"JSON解析失败: {e}")
+        finally:
+            if self.debug_mode:
+                print("--- Finished fetching cloud config ---")