fix(WebServer): update chunk size tooltips to recommend throughput test

Author: FASTSHIFT

Tools/WebServer/static/js/locales/en.js

@@ -449,9 +449,9 @@ window.i18nResources['en'] = {
         'Automatically compile and inject when source files are saved',
       watch_dirs: 'Directories to watch for file changes',
       upload_chunk_size:
-        'Size of each uploaded data block. Smaller values are more stable but slower.',
+        'Size of each uploaded data block. Use "Throughput Test" for auto-configuration instead of manual tuning.',
       download_chunk_size:
-        'Size of each downloaded data block. Larger values are faster.',
+        'Size of each downloaded data block. Use "Throughput Test" for auto-configuration instead of manual tuning.',
       serial_tx_fragment_size:
         'TX fragment size for serial commands (bytes). 0 = disabled. Workaround for slow serial drivers.',
       serial_tx_fragment_delay:

Tools/WebServer/static/js/locales/zh-CN.js

@@ -439,8 +439,10 @@ window.i18nResources['zh-CN'] = {
         'Trampoline: 使用代码跳板（仅 FPB v1）\nDebugMonitor: 使用调试监视器异常（FPB v1/v2）\nDirect: 直接代码替换（仅 FPB v1）\n注意: FPB v2 仅支持 DebugMonitor 模式，会自动切换',
       auto_compile: '源文件保存时自动编译并注入',
       watch_dirs: '监视文件变化的目录',
-      upload_chunk_size: '每个上传数据块的大小。较小的值更稳定但更慢。',
-      download_chunk_size: '每个下载数据块的大小。较大的值更快。',
+      upload_chunk_size:
+        '每个上传数据块的大小。建议使用「吞吐测试」自动配置，避免手动调整。',
+      download_chunk_size:
+        '每个下载数据块的大小。建议使用「吞吐测试」自动配置，避免手动调整。',
       serial_tx_fragment_size:
         '串口命令的发送分片大小（字节）。0 = 禁用。用于解决慢速串口驱动问题。',
       serial_tx_fragment_delay:

Tools/WebServer/static/js/locales/zh-TW.js

@@ -439,8 +439,10 @@ window.i18nResources['zh-TW'] = {
         'Trampoline: 使用程式碼跳板（僅 FPB v1）\nDebugMonitor: 使用除錯監視器例外（FPB v1/v2）\nDirect: 直接程式碼替換（僅 FPB v1）\n注意: FPB v2 僅支援 DebugMonitor 模式，會自動切換',
       auto_compile: '原始檔儲存時自動編譯並注入',
       watch_dirs: '監視檔案變化的目錄',
-      upload_chunk_size: '每個上傳資料區塊的大小。較小的值更穩定但更慢。',
-      download_chunk_size: '每個下載資料區塊的大小。較大的值更快。',
+      upload_chunk_size:
+        '每個上傳資料區塊的大小。建議使用「吞吐測試」自動配置，避免手動調整。',
+      download_chunk_size:
+        '每個下載資料區塊的大小。建議使用「吞吐測試」自動配置，避免手動調整。',
       serial_tx_fragment_size:
         '串列埠命令的傳送分片大小（位元組）。0 = 停用。用於解決慢速串列埠驅動問題。',
       serial_tx_fragment_delay: