update flow and auth model

src/services/index.ts

@@ -0,0 +1,25 @@
+/**
+ * Services Index
+ * 
+ * Central export for all API services.
+ * Import services from here for cleaner imports.
+ * 
+ * Usage:
+ *   import { authService, aiService, assetsService, adminService } from '../services';
+ */
+
+export { authService } from './auth.service';
+export { aiService, type AIMessage, type AIRequest, type AIResponse } from './ai.service';
+export { 
+  assetsService, 
+  type Asset, 
+  type AssetCreate, 
+  type AssetClaim, 
+  type AssetClaimResponse, 
+  type AssetAssign 
+} from './assets.service';
+export { 
+  adminService, 
+  type DeclareGualeRequest, 
+  type DeclareGualeResponse 
+} from './admin.service';