feat: AI 场景路由、ASR 服务及前后端全链路同步

- 新增 AI 场景路由控制器和管理接口
- 新增 ASR 语音识别服务及前后端集成
- 同步 AI Runtime 客户端到 Web/小程序/Life-Script
- 完善 AI 配置测试修复和管理后台路由配置
- 新增数据库迁移脚本

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

mini-program/src/services/aiRuntime.js

@@ -0,0 +1,120 @@
+import { getEnvValue } from '../config/env.js'
+
+const API_BASE_URL = getEnvValue('API_BASE_URL')
+
+const getAuthHeader = () => {
+  const token = uni.getStorageSync('access_token')
+  return token ? { Authorization: `Bearer ${token}` } : {}
+}
+
+const decodeChunk = (arrayBuffer) => {
+  if (typeof TextDecoder !== 'undefined') {
+    return new TextDecoder('utf-8').decode(arrayBuffer)
+  }
+  const bytes = new Uint8Array(arrayBuffer)
+  let binary = ''
+  bytes.forEach(byte => {
+    binary += String.fromCharCode(byte)
+  })
+  try {
+    return decodeURIComponent(escape(binary))
+  } catch (error) {
+    return binary
+  }
+}
+
+const parseSseFrame = (frame) => {
+  const event = { type: 'message', data: '' }
+  frame.split(/\r?\n/).forEach((line) => {
+    if (line.startsWith('event:')) event.type = line.slice(6).trim()
+    if (line.startsWith('data:')) event.data += line.slice(5).trim()
+  })
+  if (!event.data) return null
+  try {
+    return JSON.parse(event.data)
+  } catch (error) {
+    return { type: event.type, content: event.data }
+  }
+}
+
+export const streamAiScene = ({ sceneCode, inputs = {}, onStart, onDelta, onDone, onError }) => {
+  let buffer = ''
+  let output = ''
+  let closed = false
+
+  return new Promise((resolve, reject) => {
+    const failStream = (message, event) => {
+      if (closed) return
+      closed = true
+      onError?.(message, event)
+      reject(new Error(message))
+    }
+
+    const requestTask = uni.request({
+      url: `${API_BASE_URL}/ai/runtime/stream`,
+      method: 'POST',
+      data: { sceneCode, inputs },
+      header: {
+        'Content-Type': 'application/json',
+        ...getAuthHeader()
+      },
+      enableChunked: true,
+      timeout: 120000,
+      success: (res) => {
+        if (closed) return
+        if (res.statusCode >= 400) {
+          const message = res.data?.message || 'AI流式请求失败'
+          failStream(message)
+          return
+        }
+        if (typeof res.data === 'string' && res.data) {
+          consumeText(res.data, failStream)
+        }
+        if (buffer.trim()) {
+          consumeText('\n\n', failStream)
+        }
+        closed = true
+        resolve({ output })
+      },
+      fail: (error) => {
+        failStream(error.errMsg || 'AI流式请求失败')
+      }
+    })
+
+    requestTask?.onChunkReceived?.((res) => {
+      try {
+        consumeText(decodeChunk(res.data), failStream)
+      } catch (error) {
+        failStream(error.message || 'AI流式请求失败')
+      }
+    })
+  })
+
+  function consumeText(text, failStream) {
+    buffer += text
+    const frames = buffer.split(/\r?\n\r?\n/)
+    buffer = frames.pop() || ''
+    frames.forEach((frame) => {
+      const event = parseSseFrame(frame)
+      if (!event) return
+      if (event.type === 'start') {
+        onStart?.(event)
+      } else if (event.type === 'delta') {
+        output += event.content || ''
+        onDelta?.(event.content || '', output, event)
+      } else if (event.type === 'done') {
+        onDone?.(event, output)
+      } else if (event.type === 'error') {
+        const message = event.message || event.code || 'AI流式请求失败'
+        failStream(message, event)
+      }
+    })
+    if (buffer.trim() && text === '') {
+      buffer = ''
+    }
+  }
+}
+
+export default {
+  streamAiScene
+}

mini-program/src/services/asr.js

@@ -0,0 +1,9 @@
+import { upload } from './request.js'
+
+export const transcribeAudio = (filePath) => {
+  return upload('/asr/transcribe', filePath, {}, 'file')
+}
+
+export default {
+  transcribeAudio
+}

mini-program/src/services/lifeEvent.js

@@ -4,6 +4,7 @@
  */
 
 import { get, post, put, del } from './request.js'
+import { streamAiScene } from './aiRuntime.js'
 
 export const getEventList = async () => {
   const response = await get('/lifeEvent/list')
@@ -37,8 +38,22 @@ export const deleteEvent = async (id) => {
   return response
 }
 
-export const assistEventWriting = async (eventData = {}) => {
-  return post('/lifeEvent/ai-assist', eventData)
+export const assistEventWriting = async (eventData = {}, callbacks = {}) => {
+  const result = await streamAiScene({
+    sceneCode: 'life_healing',
+    inputs: {
+      mode: 'life_event_assist',
+      prompt: `请帮我优化这段人生事件记录，保留真实细节，让表达更清晰温柔。\n标题：${eventData.title || ''}\n时间：${eventData.time || eventData.eventDateText || ''}\n内容：${eventData.content || ''}`,
+      ...eventData
+    },
+    ...callbacks
+  })
+  return {
+    data: {
+      content: result.output,
+      tags: eventData.tags || []
+    }
+  }
 }
 
 export const chatAboutEvent = async (eventData = {}) => {