fix(#74): address PR #81 review blockers for live handoff

Distinguish FIA feed drops from true session end via terminal SessionStatus,
consume canonical /api/v1/weekend-context (post-#72 rebase), poll until
analysis-ready, and restore missing live-state styles plus transition/E2E/visual coverage.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/visual/helpers.ts

@@ -62,10 +62,12 @@ export async function gotoDataLibraryReady(page: Page): Promise<void> {
   await waitForScreenshotReady(page)
 }
 
-export async function gotoLiveEmptyReady(page: Page): Promise<void> {
+export async function gotoLiveInactiveReady(page: Page): Promise<void> {
   await page.goto('/live')
   await expect(page.locator('.loading-state')).toHaveCount(0)
-  await expect(page.getByTestId('live-empty')).toBeVisible()
+  // With BOXBOX_DISABLE_LIVE=1 the feed is silent, so the page settles into the
+  // inactive weekend-context handoff sourced from /api/v1/weekend-context.
+  await expect(page.getByTestId('live-inactive')).toBeVisible()
   await waitForScreenshotReady(page)
 }
 

tests/visual/mvp-screens.spec.ts

@@ -2,7 +2,7 @@ import { test } from '@playwright/test'
 import {
   gotoWeekendReady,
   gotoDataLibraryReady,
-  gotoLiveEmptyReady,
+  gotoLiveInactiveReady,
   gotoRaceHubFutureReady,
   gotoRaceHubReady,
   screenshotPage,
@@ -32,8 +32,8 @@ test.describe('MVP visual regression', () => {
     await screenshotPage(page, 'data-library')
   })
 
-  test('live-empty', async ({ page }) => {
-    await gotoLiveEmptyReady(page)
+  test('live-inactive', async ({ page }) => {
+    await gotoLiveInactiveReady(page)
     await screenshotPage(page, 'live')
   })
 })