feat(core): 重构下载管理器，合并下载管理相关模块

- 将 DownloadManager 和 DownloadTaskManager 合并，简化下载管理逻辑。
- 更新导入路径，修正相关模块的引用，确保代码一致性。
- 移除不再使用的下载管理模块，提升代码可维护性和可读性。

source/core/__init__.py

@@ -1,5 +1,5 @@
 from .managers.ui_manager import UIManager
-from .managers.download_manager import DownloadManager
+from .managers.download_managers import DownloadManager
 from .managers.debug_manager import DebugManager
 from .managers.window_manager import WindowManager
 from .managers.game_detector import GameDetector
@@ -7,7 +7,7 @@ from .managers.patch_manager import PatchManager
 from .managers.config_manager import ConfigManager
 from .managers.privacy_manager import PrivacyManager
 from .managers.cloudflare_optimizer import CloudflareOptimizer
-from .managers.download_task_manager import DownloadTaskManager
+from .managers.download_managers import DownloadTaskManager
 from .managers.patch_detector import PatchDetector
 from .managers.animations import MultiStageAnimations
 from .handlers.extraction_handler import ExtractionHandler

source/core/managers/__init__.py

@@ -1,6 +1,6 @@
 # Managers package initialization
 from .ui_manager import UIManager
-from .download_manager import DownloadManager
+from .download_managers import DownloadManager
 from .debug_manager import DebugManager
 from .window_manager import WindowManager
 from .game_detector import GameDetector
@@ -8,7 +8,7 @@ from .patch_manager import PatchManager
 from .config_manager import ConfigManager
 from .privacy_manager import PrivacyManager
 from .cloudflare_optimizer import CloudflareOptimizer
-from .download_task_manager import DownloadTaskManager
+from .download_managers import DownloadTaskManager
 from .patch_detector import PatchDetector
 from .animations import MultiStageAnimations
 

source/core/managers/download_managers/__init__.py

@@ -0,0 +1,12 @@
+"""
+下载管理器模块
+包含下载相关的管理器类
+"""
+
+from .download_manager import DownloadManager
+from .download_task_manager import DownloadTaskManager
+
+__all__ = [
+    'DownloadManager',
+    'DownloadTaskManager',
+]

source/core/managers/download_managers/download_manager.py

@@ -14,7 +14,7 @@ from utils import msgbox_frame, HostsManager, resource_path
 from config.config import APP_NAME, PLUGIN, GAME_INFO, UA, CONFIG_URL, DOWNLOAD_THREADS, DEFAULT_DOWNLOAD_THREAD_LEVEL
 from workers import IpOptimizerThread
 from core.managers.cloudflare_optimizer import CloudflareOptimizer
-from core.managers.download_task_manager import DownloadTaskManager
+from .download_task_manager import DownloadTaskManager
 from core.handlers.extraction_handler import ExtractionHandler
 from utils.logger import setup_logger
 from utils.url_censor import censor_url