feat: 报销预审会话状态管理与工作台交互增强

- 新增差旅报销会话状态管理与对话模型重构 - 增强风险观测服务与运行时聊天上下文作用域 - 优化工作台图标资源、助理意图识别与摘要工具 - 完善报销创建视图样式与差旅详情页标准调整交互 - 补充风险观测、运行时聊天与报销端点测试覆盖
2026-06-04 11:03:29 +08:00
parent 87da5df91b
commit 1cbf3fee44
60 changed files with 4156 additions and 393 deletions
--- a/web/src/services/steward.js
+++ b/web/src/services/steward.js
@@ -0,0 +1,138 @@
+import { apiRequest, getRuntimeApiBaseUrl } from './api.js'
+
+export function fetchStewardPlan(payload, options = {}) {
+  return apiRequest('/steward/plans', {
+    method: 'POST',
+    body: JSON.stringify(payload),
+    ...options
+  })
+}
+
+export async function fetchStewardPlanStream(payload, handlers = {}, options = {}) {
+  const {
+    timeoutMs = 0,
+    timeoutMessage = '小财管家任务规划超时，请稍后重试。'
+  } = options
+  const controller = typeof AbortController !== 'undefined' ? new AbortController() : null
+  const timeoutId = controller && Number(timeoutMs) > 0
+    ? globalThis.setTimeout(() => controller.abort(), Number(timeoutMs))
+    : 0
+
+  let response
+  try {
+    response = await fetch(`${getRuntimeApiBaseUrl()}/steward/plans/stream`, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json'
+      },
+      body: JSON.stringify(payload),
+      signal: controller?.signal
+    })
+  } catch (error) {
+    if (timeoutId) {
+      globalThis.clearTimeout(timeoutId)
+    }
+    if (error?.name === 'AbortError') {
+      throw new Error(timeoutMessage)
+    }
+    throw new Error('无法连接小财管家流式服务，请确认后端已启动。')
+  }
+
+  if (!response.ok) {
+    if (timeoutId) {
+      globalThis.clearTimeout(timeoutId)
+    }
+    throw new Error(await resolveStreamError(response))
+  }
+
+  if (!response.body?.getReader) {
+    const text = await response.text()
+    if (timeoutId) {
+      globalThis.clearTimeout(timeoutId)
+    }
+    return consumeNdjsonText(text, handlers)
+  }
+
+  const decoder = new TextDecoder('utf-8')
+  const reader = response.body.getReader()
+  let buffer = ''
+  let finalPlan = null
+
+  try {
+    while (true) {
+      const { value, done } = await reader.read()
+      if (done) {
+        break
+      }
+      buffer += decoder.decode(value, { stream: true })
+      const lines = buffer.split('\n')
+      buffer = lines.pop() || ''
+      for (const line of lines) {
+        const event = parseStreamLine(line)
+        if (!event) continue
+        finalPlan = handleStreamEvent(event, handlers) || finalPlan
+      }
+    }
+
+    buffer += decoder.decode()
+    if (buffer.trim()) {
+      const event = parseStreamLine(buffer)
+      if (event) {
+        finalPlan = handleStreamEvent(event, handlers) || finalPlan
+      }
+    }
+  } catch (error) {
+    if (error?.name === 'AbortError') {
+      throw new Error(timeoutMessage)
+    }
+    throw error
+  } finally {
+    if (timeoutId) {
+      globalThis.clearTimeout(timeoutId)
+    }
+  }
+
+  if (!finalPlan) {
+    throw new Error('小财管家流式结果缺少最终任务计划。')
+  }
+
+  return finalPlan
+}
+
+async function resolveStreamError(response) {
+  try {
+    const payload = await response.json()
+    return String(payload?.detail || payload?.message || '').trim() || '小财管家流式接口请求失败。'
+  } catch {
+    return '小财管家流式接口请求失败。'
+  }
+}
+
+function consumeNdjsonText(text, handlers) {
+  let finalPlan = null
+  String(text || '').split('\n').forEach((line) => {
+    const event = parseStreamLine(line)
+    if (!event) return
+    finalPlan = handleStreamEvent(event, handlers) || finalPlan
+  })
+  return finalPlan
+}
+
+function parseStreamLine(line) {
+  const normalized = String(line || '').trim()
+  if (!normalized) {
+    return null
+  }
+  return JSON.parse(normalized)
+}
+
+function handleStreamEvent(event, handlers) {
+  if (event.event === 'error') {
+    throw new Error(String(event.data?.message || '').trim() || '小财管家规划失败，请稍后重试。')
+  }
+  handlers.onEvent?.(event)
+  if (event.event === 'plan') {
+    return event.data
+  }
+  return null
+}