feat: 重构知识库系统，移除Hermes集成，增强RAG和同步功能

主要变更:
- 移除Hermes智能体及相关回调服务
- 新增知识库RAG、同步、调度、规范化和索引任务服务
- 重构orchestrator服务，增强运行时聊天功能
- 更新前端聊天、政策制度、设置等页面样式和逻辑
- 更新expense_claims和document_intelligence服务
- 删除llm_wiki相关服务和测试文件
- 更新docker-compose配置和启动脚本

web/tests/api-request.test.mjs

@@ -48,13 +48,13 @@ async function testSupportsBlobResponses() {
 async function testInjectsAuthenticatedUserHeaders() {
   const sessionStorage = new Map([
     [
-      'x-financial-auth-user',
-      JSON.stringify({
-        username: 'admin',
-        name: '系统管理员',
-        roleCodes: ['manager'],
-        isAdmin: true
-      })
+      'x-financial-auth-user',
+      JSON.stringify({
+        username: 'admin',
+        name: 'Admin User',
+        roleCodes: ['manager'],
+        isAdmin: true
+      })
     ]
   ])
 
@@ -79,9 +79,9 @@ async function testInjectsAuthenticatedUserHeaders() {
   }
 
   await apiRequest('/knowledge/library')
-
-  assert.equal(capturedOptions.headers['x-auth-username'], 'admin')
-  assert.equal(capturedOptions.headers['x-auth-name'], '系统管理员')
+
+  assert.equal(capturedOptions.headers['x-auth-username'], 'admin')
+  assert.equal(capturedOptions.headers['x-auth-name'], 'Admin User')
   assert.equal(capturedOptions.headers['x-auth-role-codes'], 'manager')
   assert.equal(capturedOptions.headers['x-auth-is-admin'], 'true')
 }
@@ -117,11 +117,35 @@ async function testFormatsValidationErrors() {
   )
 }
 
+async function testRejectsWithCustomTimeoutMessage() {
+  global.fetch = async (_url, options) =>
+    new Promise((_, reject) => {
+      options.signal.addEventListener('abort', () => {
+        const error = new Error('aborted')
+        error.name = 'AbortError'
+        reject(error)
+      })
+    })
+
+  await assert.rejects(
+    () =>
+      apiRequest('/knowledge/library', {
+        timeoutMs: 1,
+        timeoutMessage: '知识问答整理超时，已停止等待。'
+      }),
+    (error) => {
+      assert.equal(error.message, '知识问答整理超时，已停止等待。')
+      return true
+    }
+  )
+}
+
 async function run() {
   await testUsesCustomContentTypeHeader()
   await testSupportsBlobResponses()
   await testInjectsAuthenticatedUserHeaders()
   await testFormatsValidationErrors()
+  await testRejectsWithCustomTimeoutMessage()
   console.log('api-request tests passed')
 }