feat: add configurable auto-delete modes (none, single, all) for remote chat sessions

webui/src/features/settings/AutoDeleteSection.jsx

@@ -1,6 +1,13 @@
 import { Trash2 } from 'lucide-react'
 
 export default function AutoDeleteSection({ t, form, setForm }) {
+    const mode = form.auto_delete?.mode || 'none'
+    const descKey = mode === 'single'
+        ? 'settings.autoDeleteSingleDesc'
+        : mode === 'all'
+            ? 'settings.autoDeleteAllDesc'
+            : 'settings.autoDeleteNoneDesc'
+
     return (
         <div className="bg-card border border-border rounded-xl p-5 space-y-4">
             <div className="flex items-center gap-2">
@@ -8,28 +15,25 @@ export default function AutoDeleteSection({ t, form, setForm }) {
                 <h3 className="font-semibold">{t('settings.autoDeleteTitle')}</h3>
             </div>
             <p className="text-sm text-muted-foreground">{t('settings.autoDeleteDesc')}</p>
-            <div className="flex items-center justify-between">
-                <label className="text-sm font-medium">{t('settings.autoDeleteSessions')}</label>
-                <button
-                    type="button"
-                    role="switch"
-                    aria-checked={form.auto_delete?.sessions || false}
-                    onClick={() => setForm((prev) => ({
+            <div className="space-y-2">
+                <label className="text-sm font-medium">{t('settings.autoDeleteMode')}</label>
+                <select
+                    value={mode}
+                    onChange={(e) => setForm((prev) => ({
                         ...prev,
-                        auto_delete: { ...prev.auto_delete, sessions: !prev.auto_delete?.sessions },
+                        auto_delete: { ...(prev.auto_delete || {}), mode: e.target.value },
                     }))}
-                    className={`relative inline-flex h-6 w-11 items-center rounded-full transition-colors ${
-                        form.auto_delete?.sessions ? 'bg-primary' : 'bg-muted'
-                    }`}
+                    className="w-full rounded-lg border border-border bg-muted px-3 py-2 text-sm focus:outline-none focus:ring-1 focus:ring-ring"
                 >
-                    <span
-                        className={`inline-block h-4 w-4 transform rounded-full bg-white transition-transform ${
-                            form.auto_delete?.sessions ? 'translate-x-6' : 'translate-x-1'
-                        }`}
-                    />
-                </button>
+                    <option value="none">{t('settings.autoDeleteNone')}</option>
+                    <option value="single">{t('settings.autoDeleteSingle')}</option>
+                    <option value="all">{t('settings.autoDeleteAll')}</option>
+                </select>
             </div>
-            {form.auto_delete?.sessions && (
+            <p className={`text-xs ${mode === 'none' ? 'text-muted-foreground' : 'text-amber-500'}`}>
+                {t(descKey)}
+            </p>
+            {mode !== 'none' && (
                 <p className="text-xs text-amber-500 flex items-center gap-1">
                     {t('settings.autoDeleteWarning')}
                 </p>

webui/src/features/settings/useSettingsForm.js

@@ -16,7 +16,7 @@ const DEFAULT_FORM = {
     compat: { strip_reference_markers: true },
     responses: { store_ttl_seconds: 900 },
     embeddings: { provider: '' },
-    auto_delete: { sessions: false },
+    auto_delete: { mode: 'none' },
     claude_mapping_text: '{\n  "fast": "deepseek-chat",\n  "slow": "deepseek-reasoner"\n}',
     model_aliases_text: '{}',
 }
@@ -38,6 +38,17 @@ function parseJSONMap(raw, fieldName, t) {
     return parsed
 }
 
+function normalizeAutoDeleteMode(raw) {
+    const mode = String(raw?.mode || '').trim().toLowerCase()
+    if (mode === 'none' || mode === 'single' || mode === 'all') {
+        return mode
+    }
+    if (Boolean(raw?.sessions)) {
+        return 'all'
+    }
+    return 'none'
+}
+
 function fromServerForm(data) {
     return {
         admin: { jwt_expire_hours: Number(data.admin?.jwt_expire_hours || 24) },
@@ -57,7 +68,7 @@ function fromServerForm(data) {
             provider: data.embeddings?.provider || '',
         },
         auto_delete: {
-            sessions: Boolean(data.auto_delete?.sessions || false),
+            mode: normalizeAutoDeleteMode(data.auto_delete),
         },
         claude_mapping_text: JSON.stringify(data.claude_mapping || {}, null, 2),
         model_aliases_text: JSON.stringify(data.model_aliases || {}, null, 2),
@@ -78,7 +89,7 @@ function toServerPayload(form) {
         },
         responses: { store_ttl_seconds: Number(form.responses.store_ttl_seconds) },
         embeddings: { provider: String(form.embeddings.provider || '').trim() },
-        auto_delete: { sessions: Boolean(form.auto_delete?.sessions) },
+        auto_delete: { mode: normalizeAutoDeleteMode(form.auto_delete) },
     }
 }
 

webui/src/locales/en.json

@@ -242,10 +242,16 @@
         "modelTitle": "Model mapping",
         "claudeMapping": "Claude mapping (JSON)",
         "modelAliases": "Model aliases (JSON)",
-        "autoDeleteTitle": "Auto Delete Sessions",
-        "autoDeleteDesc": "When enabled, all sessions will be automatically deleted after each request completes.",
-        "autoDeleteSessions": "Auto delete sessions",
-        "autoDeleteWarning": "Warning: Enabling this will delete all session history after each request. Use with caution.",
+        "autoDeleteTitle": "Session Cleanup Policy",
+        "autoDeleteDesc": "Choose how DeepSeek remote chat records are cleaned up after each request completes.",
+        "autoDeleteMode": "Deletion mode",
+        "autoDeleteNone": "Do not delete",
+        "autoDeleteSingle": "Delete current session",
+        "autoDeleteAll": "Delete all sessions",
+        "autoDeleteNoneDesc": "Keep the remote session after the request completes.",
+        "autoDeleteSingleDesc": "Delete only the remote session created by this request.",
+        "autoDeleteAllDesc": "Delete every remote session for the account after the request completes.",
+        "autoDeleteWarning": "This mode deletes remote chat records. Use with caution.",
         "backupTitle": "Backup & Restore",
         "loadExport": "Load current export",
         "downloadExport": "Download backup file",

webui/src/locales/zh.json

@@ -242,10 +242,16 @@
         "modelTitle": "模型映射",
         "claudeMapping": "Claude 映射（JSON）",
         "modelAliases": "模型别名（JSON）",
-        "autoDeleteTitle": "自动删除会话",
-        "autoDeleteDesc": "开启后，每次请求完成后会自动删除该账号的所有会话记录。",
-        "autoDeleteSessions": "自动删除会话",
-        "autoDeleteWarning": "开启此功能后，每次请求完成都会删除该账号的所有历史会话，请谨慎使用。",
+        "autoDeleteTitle": "会话删除策略",
+        "autoDeleteDesc": "选择每次请求完成后如何清理 DeepSeek 远端聊天记录。",
+        "autoDeleteMode": "删除模式",
+        "autoDeleteNone": "不开启删除",
+        "autoDeleteSingle": "仅删除当前会话",
+        "autoDeleteAll": "删除全部会话",
+        "autoDeleteNoneDesc": "请求结束后保留远端会话，不自动删除。",
+        "autoDeleteSingleDesc": "请求结束后只删除本次请求创建的远端会话。",
+        "autoDeleteAllDesc": "请求结束后清空该账号的全部远端会话。",
+        "autoDeleteWarning": "当前模式会删除远端聊天记录，请谨慎使用。",
         "backupTitle": "备份与恢复",
         "loadExport": "加载当前导出",
         "downloadExport": "下载备份文件",