优化: CR-08 i18n batch2全量(ProjectDetail5处+TaskDetail16key+AiChat3处+store error fallback 23处+useAiSend 3处)+@/i18n路径统一+vite别名

src/composables/ai/useAiSend.ts

@@ -13,10 +13,13 @@ import { invoke } from '@tauri-apps/api/core'
 import { aiApi } from '../../api'
 import { useAppSettingsStore } from '../../stores/appSettings'
 import { state } from '../../stores/ai'
+import i18n from '../../i18n'
 import { resetStreamWatchdog, clearStreamWatchdog } from './useAiStream'
 import { startListener, findToolCall } from './useAiEvents'
 import { nextMsgId } from './aiShared'
 
+const t = ((i18n as any).global.t as (k: string, named?: Record<string, unknown>) => string).bind((i18n as any).global)
+
 const appSettings = useAppSettingsStore()
 
 /// 待发送队列上限（超过抛错提示用户）
@@ -46,7 +49,7 @@ async function sendMessage(text: string, skill?: string) {
   }
   if (backendGenerating) {
     if (state.queue.length >= QUEUE_LIMIT) {
-      throw new Error(`待发送队列已满（最多 ${QUEUE_LIMIT} 条）`)
+      throw new Error(t('ai.queueFull', { limit: QUEUE_LIMIT }))
     }
     // 后端真在生成但本地 streaming 已复位(false):状态不同步——对齐本地 streaming=true
     // 让用户感知(禁用输入框等),并入队等待 AiCompleted 续发;不入队则消息静默丢失。
@@ -62,7 +65,7 @@ async function sendMessage(text: string, skill?: string) {
   // 生成中：进入待发送队列，当前对话完成后(AiCompleted)由 drainQueue 自动续发
   if (state.streaming) {
     if (state.queue.length >= QUEUE_LIMIT) {
-      throw new Error(`待发送队列已满（最多 ${QUEUE_LIMIT} 条）`)
+      throw new Error(t('ai.queueFull', { limit: QUEUE_LIMIT }))
     }
     state.queue.push({ text: text.trim(), skill: skill || undefined })
     return
@@ -127,7 +130,7 @@ async function approveToolCall(toolCallId: string, approved: boolean) {
     console.error('[AI] 审批操作未送达后端:', e)
     if (tc) {
       tc.status = 'completed'
-      tc.result = `审批操作未送达后端：${e instanceof Error ? e.message : String(e)}`
+      tc.result = t('ai.approvalNotDelivered', { error: e instanceof Error ? e.message : String(e) })
     }
     throw e
   }