feat: 集成Hermes智能体系统，增强聊天和差旅报销功能

web/src/composables/useSystemState.js

@@ -86,11 +86,13 @@ function readStoredUsername() {
 }
 
 function buildAnonymousUser() {
-  return {
-    username: '',
-    name: '',
-    role: '',
-    roleCodes: [],
+  return {
+    username: '',
+    name: '',
+    role: '',
+    position: '',
+    grade: '',
+    roleCodes: [],
     email: '',
     avatar: '',
     isAdmin: false
@@ -101,11 +103,13 @@ function buildLegacyAdminUser(username = '') {
   const normalized = String(username || '').trim()
   const name = normalized || DEFAULT_USER_NAME
 
-  return {
-    username: normalized,
-    name,
-    role: DEFAULT_USER_ROLE,
-    roleCodes: ['manager'],
+  return {
+    username: normalized,
+    name,
+    role: DEFAULT_USER_ROLE,
+    position: DEFAULT_USER_ROLE,
+    grade: '',
+    roleCodes: ['manager'],
     email: '',
     avatar: name.slice(0, 1).toUpperCase(),
     isAdmin: true
@@ -127,11 +131,13 @@ function readStoredUser() {
         const name = String(payload.name || username || DEFAULT_USER_NAME).trim()
         const roleCodes = Array.isArray(payload.roleCodes) ? payload.roleCodes.filter(Boolean) : []
 
-        return {
-          username,
-          name,
-          role: String(payload.role || DEFAULT_USER_ROLE),
-          roleCodes,
+        return {
+          username,
+          name,
+          role: String(payload.role || DEFAULT_USER_ROLE),
+          position: String(payload.position || ''),
+          grade: String(payload.grade || ''),
+          roleCodes,
           email: String(payload.email || ''),
           avatar: String(payload.avatar || name.slice(0, 1).toUpperCase()),
           isAdmin: Boolean(payload.isAdmin)