feat: Enhance end-to-end testing framework with improved server setup and UI validation

tests/e2e/test_reporting.py

@@ -3,6 +3,7 @@ from playwright.sync_api import Page, expect
 
 def test_reporting_view_loads(page: Page):
     """Verify the reporting view page loads correctly."""
-    page.click("a[href='/ui/reporting']")
-    expect(page).to_have_url("/ui/reporting")
-    expect(page.locator("h2:has-text('Reporting')")).to_be_visible()
+    page.get_by_role("link", name="Reporting").click()
+    expect(page).to_have_url("http://localhost:8001/ui/reporting")
+    expect(page).to_have_title("Reporting · CalMiner")
+    expect(page.locator("h2:has-text('Scenario KPI Summary')")).to_be_visible()