fix(edge-apps): use Playwright Clock API for idempotent screenshots (#712)

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: 3 people

edge-apps/.bun-create/edge-app-template/e2e/screenshots.spec.ts

@@ -3,6 +3,7 @@ import {
   createMockScreenlyForScreenshots,
   getScreenshotsDir,
   RESOLUTIONS,
+  setupClockMock,
   setupScreenlyJsMock,
 } from '@screenly/edge-apps/test/screenshots'
 import path from 'path'
@@ -24,6 +25,7 @@ for (const { width, height } of RESOLUTIONS) {
     const context = await browser.newContext({ viewport: { width, height } })
     const page = await context.newPage()
 
+    await setupClockMock(page)
     await setupScreenlyJsMock(page, screenlyJsContent)
 
     await page.goto('/')

edge-apps/cap-alerting/e2e/screenshots.spec.ts

@@ -3,6 +3,7 @@ import {
   createMockScreenlyForScreenshots,
   getScreenshotsDir,
   RESOLUTIONS,
+  setupClockMock,
   setupScreenlyJsMock,
 } from '@screenly/edge-apps/test/screenshots'
 import fs from 'fs'
@@ -32,6 +33,7 @@ for (const { width, height } of RESOLUTIONS) {
     const context = await browser.newContext({ viewport: { width, height } })
     const page = await context.newPage()
 
+    await setupClockMock(page)
     await setupScreenlyJsMock(page, screenlyJsContent)
 
     // Mock all demo CAP file requests to avoid network dependency

edge-apps/clock/e2e/screenshots.spec.ts

@@ -3,6 +3,7 @@ import {
   createMockScreenlyForScreenshots,
   getScreenshotsDir,
   RESOLUTIONS,
+  setupClockMock,
   setupOpenWeatherMocks,
   setupScreenlyJsMock,
 } from '@screenly/edge-apps/test/screenshots'
@@ -30,6 +31,7 @@ for (const { width, height } of RESOLUTIONS) {
     const page = await context.newPage()
 
     // Setup mocks
+    await setupClockMock(page)
     await setupScreenlyJsMock(page, screenlyJsContent)
     await setupOpenWeatherMocks(page, {
       geocoding: mockGeocodingResponse,