优化上下文

frontend/ops_vue_js/src/i18n/en.json

@@ -113,6 +113,8 @@
     "model": "Model",
     "timeout": "Timeout (seconds)",
     "max_tokens": "Max Tokens",
+    "context_window_tokens": "Context Window Tokens",
+    "context_window_tokens_hint": "0 means unlimited. When exceeded, the system prompt and latest messages are kept while oldest Q/A turns are removed.",
     "system_prompt": "System Prompt",
     "tool_router": "Tool Router",
     "router_profile": "Router Profile",
@@ -132,6 +134,7 @@
     "error_api_key_required": "When AI is enabled, the default profile must have an API key",
     "error_timeout": "Timeout must be a positive integer",
     "error_max_tokens": "Max tokens must be a positive integer",
+    "error_context_window_tokens": "Context window tokens must be a non-negative integer",
     "error_router_profile": "Tool router profile must exist in profile list",
     "error_tool_name_required": "Tool name is required",
     "error_tool_name_duplicate": "Tool names must be unique"

frontend/ops_vue_js/src/i18n/zh-CN.json

@@ -113,6 +113,8 @@
     "model": "模型",
     "timeout": "超时（秒）",
     "max_tokens": "最大 Token",
+    "context_window_tokens": "上下文窗口 Token",
+    "context_window_tokens_hint": "0 表示不限制；超过后会保留系统提示词和最新消息，删除最早的问答记录。",
     "system_prompt": "系统提示词",
     "tool_router": "工具路由",
     "router_profile": "路由接口",
@@ -132,6 +134,7 @@
     "error_api_key_required": "启用 AI 时默认接口必须配置 API Key",
     "error_timeout": "超时必须是正整数",
     "error_max_tokens": "最大 Token 必须是正整数",
+    "error_context_window_tokens": "上下文窗口 Token 必须是非负整数",
     "error_router_profile": "工具路由接口必须来自现有接口列表",
     "error_tool_name_required": "工具名称不能为空",
     "error_tool_name_duplicate": "工具名称不能重复"

frontend/ops_vue_js/src/views/admin/AIConfigView.vue

@@ -42,6 +42,7 @@ function normalizeProfile(profile = {}) {
     model: profile.model || '',
     timeout: Number(profile.timeout || 120),
     maxTokens: Number(profile.maxTokens || 4096),
+    contextWindowTokens: Number(profile.contextWindowTokens || 0),
     systemPrompt: profile.systemPrompt || '',
   }
 }
@@ -117,6 +118,7 @@ function addProfile() {
     model: '',
     timeout: 120,
     maxTokens: 4096,
+    contextWindowTokens: 0,
     systemPrompt: '',
   })
 }
@@ -178,6 +180,7 @@ function validate() {
 
     profile.timeout = Number(profile.timeout)
     profile.maxTokens = Number(profile.maxTokens)
+    profile.contextWindowTokens = Number(profile.contextWindowTokens)
     if (!Number.isInteger(profile.timeout) || profile.timeout <= 0) {
       toast.error(t('aiconfig.error_timeout'))
       return false
@@ -186,6 +189,10 @@ function validate() {
       toast.error(t('aiconfig.error_max_tokens'))
       return false
     }
+    if (!Number.isInteger(profile.contextWindowTokens) || profile.contextWindowTokens < 0) {
+      toast.error(t('aiconfig.error_context_window_tokens'))
+      return false
+    }
   }
 
   if (!hasActive) {
@@ -248,6 +255,7 @@ function buildPayload() {
       model: profile.model.trim(),
       timeout: Number(profile.timeout),
       maxTokens: Number(profile.maxTokens),
+      contextWindowTokens: Number(profile.contextWindowTokens),
       systemPrompt: profile.systemPrompt || '',
     })),
     toolRouter: {
@@ -360,6 +368,11 @@ async function saveConfig() {
               <span>{{ t('aiconfig.max_tokens') }}</span>
               <input v-model.number="profile.maxTokens" class="input" type="number" min="1" />
             </label>
+            <label class="field">
+              <span>{{ t('aiconfig.context_window_tokens') }}</span>
+              <input v-model.number="profile.contextWindowTokens" class="input" type="number" min="0" />
+              <span class="text-xs font-normal text-gray-500 dark:text-dk-subtle">{{ t('aiconfig.context_window_tokens_hint') }}</span>
+            </label>
             <label class="field md:col-span-2">
               <span>{{ t('aiconfig.system_prompt') }}</span>
               <textarea v-model="profile.systemPrompt" class="input min-h-24 resize-y" />