优化：1，file列表页工具栏新建的整个逻辑链的英文文本，缺少翻译的增加对应的翻译

2，txt文档要支持编辑

frontend/src/views/pagetype/file/file_preview.vue

@@ -50,7 +50,15 @@
           <div v-if="textLoading" class="visual-fallback">
             <Icon icon="tabler:loader-2" :size="32" class="spin-icon" />
           </div>
-          <pre v-else-if="textContent !== null" class="text-content">{{ textContent }}</pre>
+          <textarea
+            v-else-if="textContent !== null"
+            ref="textEditorRef"
+            v-model="editableText"
+            class="text-content"
+            :class="{ 'text-editable': canSave }"
+            :readonly="!canSave"
+            :spellcheck="false"
+          ></textarea>
           <div v-else class="visual-fallback">
             <Icon icon="tabler:file-text" :size="48" style="color: #6b7280" />
             <p>{{ t('Preview unavailable') }}</p>
@@ -190,6 +198,8 @@ const documentPreviewRef = ref<any>(null)
 const spreadsheetPreviewRef = ref<any>(null)
 const textContent = ref<string | null>(null)
 const textLoading = ref(false)
+const editableText = ref('')
+const textEditorRef = ref<HTMLTextAreaElement | null>(null)
 
 const canSave = computed(() => EDITABLE_EXTENSIONS.includes((props.row?.file_type || '').toLowerCase()))
 const saving = ref(false)
@@ -217,6 +227,7 @@ watch(() => props.row, async (row) => {
     const fullUrl = /^https?:\/\//.test(url) ? url : window.location.origin + url
     const res = await axios.get(fullUrl, { responseType: 'text' })
     textContent.value = res.data
+    editableText.value = res.data
   } catch {
     textContent.value = null
   } finally {
@@ -324,6 +335,9 @@ async function handleSave() {
       blob = (await documentPreviewRef.value?.saveFile()) ?? null
     } else if (['xls', 'xlsx', 'csv'].includes(ext)) {
       blob = (await spreadsheetPreviewRef.value?.saveFile()) ?? null
+    } else if (ext === 'txt') {
+      const content = editableText.value
+      blob = new Blob([content], { type: 'text/plain;charset=utf-8' })
     }
 
     if (!blob) {
@@ -518,6 +532,14 @@ async function handleSave() {
   user-select: text;
   cursor: text;
   flex: 1;
+  border: none;
+  outline: none;
+  resize: none;
+}
+
+.text-content.text-editable {
+  background: #fff;
+  color: #1f2937;
 }
 
 /* ===== 信息面板（可折叠） ===== */

jingrow/locale/zh.po

@@ -8994,6 +8994,9 @@ msgstr "新建邮箱账户"
 msgid "New Event"
 msgstr "新建事件"
 
+msgid "New File"
+msgstr "新建文件"
+
 msgid "New Folder"
 msgstr "新建文件夹"
 
@@ -10845,6 +10848,9 @@ msgstr "生成名称预览"
 msgid "Preview type"
 msgstr "预览类型"
 
+msgid "Preview unavailable"
+msgstr "预览不可用"
+
 msgid "Preview:"
 msgstr "预览："
 
@@ -13455,6 +13461,9 @@ msgstr "垃圾邮件"
 msgid "SparkPost"
 msgstr "SparkPost服务"
 
+msgid "Spreadsheet"
+msgstr "电子表格"
+
 msgid "Special Characters are not allowed"
 msgstr "不允许使用特殊字符"
 
@@ -16009,6 +16018,9 @@ msgstr "非活跃站点每天仅运行一次计划任务。设为0可避免自
 msgid "With Letter head"
 msgstr "带信头"
 
+msgid "Word"
+msgstr "文档"
+
 msgid "Worflow States Don't Exist"
 msgstr "工作流状态不存在"