Update translations across multiple locales

Update and improve translations for multiple language files (ar, de, es, fr, hi, id, it, ja, pl, pt, ru, tr, zh). Key changes include localized strings for playlist saving ("Save Playlist As" -> localized), save/result/error messages, concurrent connections and help text, default selection/settings (video quality and subtitle language), and various wording/typo fixes. Also add/translate FFmpeg installation and yt-dlp setup messages in Turkish and Chinese. No functional code changes.

ytsage/languages/zh.json

@@ -84,7 +84,7 @@
     "deselect_all": "取消全选",
     "open_folder": "打开文件夹位置",
     "history": "历史",
-    "save_playlist": "Save Playlist As"
+    "save_playlist": "保存播放列表为"
   },
   "dialogs": {
     "custom_options": "自定义选项",
@@ -345,12 +345,12 @@
     "tab_general": "一般",
     "tab_format": "格式",
     "tab_file": "文件",
-    "concurrent_fragments": "Concurrent Connections",
-    "concurrent_fragments_help": "Number of connections per download. Higher values bypass throttling but may cause temporary blocks if set too high. Default: 1.",
-    "defaults_settings": "Default Selection Settings",
-    "default_video_quality": "Default Video Resolution (Height):",
-    "default_subtitle_language": "Default Subtitle Language(s):",
-    "defaults_help": "Set your preferred video height and subtitle languages (comma-separated). They will be auto-selected if available."
+    "concurrent_fragments": "并发连接数",
+    "concurrent_fragments_help": "每个下载的连接数。较高的值可以绕过限速，但如果设置得太高，可能会导致临时被封。默认值：1。",
+    "defaults_settings": "默认选择设置",
+    "default_video_quality": "默认视频分辨率 (高度):",
+    "default_subtitle_language": "默认字幕语言:",
+    "defaults_help": "设置您首选的视频高度和字幕语言（用逗号分隔）。如果可用，它们将被自动选择。"
   },
   "main_ui": {
     "url_placeholder": "输入 YouTube 视频或播放列表网址",
@@ -476,12 +476,12 @@
     "total_videos": "总视频数：{count}",
     "display_format": "播放列表：{title} | {count}个视频",
     "select_videos_title": "选择播放列表视频",
-    "save_as": "Save Playlist As",
-    "save_success_title": "Success",
-    "saved_successfully": "Playlist saved successfully.",
-    "save_error_title": "Save Error",
-    "no_videos_to_save": "No playlist entries gathered!",
-    "save_error_msg": "Failed to save playlist."
+    "save_as": "保存播放列表为",
+    "save_success_title": "成功",
+    "saved_successfully": "播放列表已成功保存。",
+    "save_error_title": "保存错误",
+    "no_videos_to_save": "未收集到播放列表条目！",
+    "save_error_msg": "保存播放列表失败。"
   },
   "subtitle_selection": {
     "count_selected": "已选择{count}个"
@@ -561,12 +561,12 @@
     "install_button": "安装 FFmpeg",
     "manual_guide": "手动指南",
     "installation_failed": "FFmpeg 安装遇到问题。",
-    "already_installed": "FFmpeg is already installed!",
-    "installation_complete": "Installation complete. You can close this dialog and continue using YTSage.",
-    "installing": "Installing FFmpeg... Please wait",
-    "install_success": "FFmpeg has been installed successfully!",
-    "installation_complete_close": "Installation complete. You can now close this dialog and continue using YTSage.",
-    "try_manual": "Please try using the manual installation guide instead."
+    "already_installed": "FFmpeg 已安装！",
+    "installation_complete": "安装完成。您可以关闭此对话框并继续使用 YTSage。",
+    "installing": "正在安装 FFmpeg... 请稍候",
+    "install_success": "FFmpeg 已成功安装！",
+    "installation_complete_close": "安装完成。您现在可以关闭此对话框并继续使用 YTSage。",
+    "try_manual": "请尝试使用手动安装指南。"
   },
   "ytdlp_setup": {
     "required_title": "需要设置 yt-dlp",
@@ -638,4 +638,4 @@
     "update_failed": "❌ 更新失败：{error}",
     "check_failed": "检查更新失败。请检查您的网络连接。"
   }
-}
+}