Add files via upload

web/static/i18n/en-US.json

@@ -123,6 +123,13 @@
     "inputPlaceholder": "Enter target or command... (type @ to select tools | Shift+Enter newline, Enter send)",
     "selectFile": "Select file",
     "uploadFile": "Upload file (multi-select or drag & drop)",
+    "readingAttachmentsDetail": "Reading attachment {{current}}/{{total}} · {{name}} · {{percent}}%",
+    "uploadingAttachmentsDetail": "Uploading attachments · {{done}}/{{total}} done · {{percent}}% overall",
+    "waitingAttachmentsUpload": "Waiting for attachments to finish uploading…",
+    "attachmentsUploadIncomplete": "Some attachments failed to upload. Remove the failed items or pick files again before sending.",
+    "attachmentUploading": "Uploading…",
+    "attachmentUploadFailed": "Failed",
+    "attachmentUploadAlert": "Upload failed: {{name}}",
     "send": "Send",
     "searchInGroup": "Search in group...",
     "loadingTools": "Loading tools...",
@@ -1124,6 +1131,7 @@
     "copyPathTitle": "Copy the absolute path on the server; paste into chat to reference this file",
     "pathCopied": "Path copied — paste it into chat",
     "uploadOkHint": "Uploaded. Use “Copy path” to copy the absolute path.",
+    "uploadingFile": "Uploading {{name}} · {{percent}}%",
     "moreActions": "More: open chat, edit, rename, delete",
     "download": "Download",
     "edit": "Edit",

web/static/i18n/zh-CN.json

@@ -123,6 +123,13 @@
     "inputPlaceholder": "输入测试目标或命令... (输入 @ 选择工具 | Shift+Enter 换行，Enter 发送)",
     "selectFile": "选择文件",
     "uploadFile": "上传文件（可多选或拖拽到此处）",
+    "readingAttachmentsDetail": "读取附件 {{current}}/{{total}} · {{name}} · {{percent}}%",
+    "uploadingAttachmentsDetail": "上传附件 · {{done}}/{{total}} 已完成 · 总进度 {{percent}}%",
+    "waitingAttachmentsUpload": "正在等待附件上传完成…",
+    "attachmentsUploadIncomplete": "部分附件未上传成功，请移除失败项或重新选择文件后再发送。",
+    "attachmentUploading": "上传中…",
+    "attachmentUploadFailed": "失败",
+    "attachmentUploadAlert": "上传失败：{{name}}",
     "send": "发送",
     "searchInGroup": "搜索分组中的对话...",
     "loadingTools": "正在加载工具...",
@@ -1124,6 +1131,7 @@
     "copyPathTitle": "复制服务器上的绝对路径，可粘贴到对话中让模型引用该文件",
     "pathCopied": "路径已复制，可到对话中粘贴使用",
     "uploadOkHint": "上传成功。点击「复制路径」可复制绝对路径到剪贴板。",
+    "uploadingFile": "正在上传 {{name}} · {{percent}}%",
     "moreActions": "更多：打开对话、编辑、重命名、删除",
     "download": "下载",
     "edit": "编辑",