Add utility functions for handling public URLs and update API base URL logic

- Implement getProductionApiBaseUrl and normalizePublicUrl functions to manage API URLs based on the browser's origin.
- Update API base URL in request configuration to use getProductionApiBaseUrl.
- Enhance QR code handling in ParticipatingCompaniesTab and OutdoorFairList components to normalize URLs.
- Create a deployment script for frontend builds and server uploads.
- Add tests for the new URL utility functions.

tests/utils/publicUrl.test.ts

@@ -0,0 +1,23 @@
+import { getProductionApiBaseUrl, normalizePublicUrl } from '@/utils/publicUrl';
+
+describe('public URL helpers', () => {
+  it('builds the production API base URL from the browser origin', () => {
+    expect(getProductionApiBaseUrl('http://39.98.44.136:6024')).toBe(
+      'http://39.98.44.136:6024/api/shihezi/',
+    );
+  });
+
+  it('replaces an internal backend origin with the browser origin', () => {
+    expect(
+      normalizePublicUrl(
+        'http://127.0.0.1:9091/h5/outdoor-fair/company.html?fairId=8&companyId=93007',
+        'http://39.98.44.136:6024',
+      ),
+    ).toBe('http://39.98.44.136:6024/h5/outdoor-fair/company.html?fairId=8&companyId=93007');
+  });
+
+  it('keeps an already public URL unchanged', () => {
+    const url = 'https://jobs.example.com/h5/outdoor-fair/company.html?fairId=8&companyId=93007';
+    expect(normalizePublicUrl(url, 'http://39.98.44.136:6024')).toBe(url);
+  });
+});