feat: 完成项目基础功能搭建与样式优化

1.  新增评估选择组件、本地草稿存储与新闻/金融内容服务
2.  重构页面布局与样式：调整按钮阴影、图标尺寸、导航栏样式
3.  更新启动页、报告页、消息中心等页面UI与交互逻辑
4.  替换图标资源，调整禁用态透明度
5.  补充README文档与本地数据模拟实现

services/api.uts

@@ -1,4 +1,5 @@
 /** Mobile API adapter with deterministic local mocks. */
+import { demoProducts, parseProduct, FinanceProduct } from '@/services/finance.uts'
 export const API_BASE_URL = ''
 const REQUEST_TIMEOUT = 10000
 const SESSION_KEY = 'aiFinanceSession'
@@ -97,18 +98,24 @@ export async function submitAssessment(payload: UTSJSONObject): Promise<string>
 	return id
 }
 
-export async function fetchMatches(): Promise<UTSJSONObject[]> {
+export async function fetchMatches(): Promise<FinanceProduct[]> {
 	if (API_BASE_URL.length == 0) {
 		await wait(320)
-		return [
-			{ rank: 1, bank: '招商银行·闪电贷', amount: '50万', rate: '3.85%', term: '12-36期', score: 96 },
-			{ rank: 2, bank: '平安银行·新一贷', amount: '30万', rate: '4.20%', term: '12-60期', score: 91 },
-			{ rank: 3, bank: '建设银行·快e贷', amount: '20万', rate: '4.35%', term: '12-36期', score: 88 }
-		]
+		return demoProducts.slice()
 	}
 	const result = await requestJson('/matches', 'GET', new UTSJSONObject())
 	const items = result['items'] as UTSJSONObject[] | null
-	return items == null ? [] : items
+	return items == null ? [] : items.map((item: UTSJSONObject): FinanceProduct => parseProduct(item))
+}
+
+export async function fetchProduct(id: string): Promise<FinanceProduct | null> {
+	if (API_BASE_URL.length == 0) {
+		await wait(180)
+		const products = demoProducts.filter((item: FinanceProduct): boolean => item.id == id)
+		return products.length > 0 ? products[0] : null
+	}
+	const result = await requestJson('/products/' + encodeURIComponent(id), 'GET', new UTSJSONObject())
+	return parseProduct(result)
 }
 
 export async function sendAssistantMessage(message: string): Promise<string> {