Add nightly Maestro E2E workflow (#11181)

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

src/lib/media/picker.e2e.tsx

@@ -1,3 +1,4 @@
+import {Asset} from 'expo-asset'
 import {
   documentDirectory,
   getInfoAsync,
@@ -9,10 +10,15 @@ import ExpoImageCropTool, {
 } from '@bsky.app/expo-image-crop-tool'
 
 import {IMAGE_SIZE_CONFIG_2K_1MB} from '#/lib/constants'
+import {IS_ANDROID} from '#/env'
 import {compressIfNeeded} from './manip'
 import {type PickerImage} from './picker.shared'
 
 async function getFile() {
+  if (IS_ANDROID) {
+    return await getAndroidFile()
+  }
+
   const imagesDir = documentDirectory!
     .split('/')
     .slice(0, -6)
@@ -41,6 +47,44 @@ async function getFile() {
   )
 }
 
+/*
+ * The Android emulator can't reach the iOS simulator's sample photo library,
+ * so we load a jpg bundled with the app instead. It is bundled via require()
+ * (resolved by Metro), so it survives `pm clear`, which Maestro's clearState
+ * runs at the start of every flow. An adb-seeded file in app-scoped external
+ * storage does not survive: pm clear wipes that directory each flow, so the
+ * seeded file is gone before the picker mock ever reads it.
+ */
+async function getAndroidFile() {
+  const asset = Asset.fromModule(
+    require('../../../assets/images/welcome-modal-bg.jpg'),
+  )
+  await asset.downloadAsync()
+
+  const path = asset.localUri!
+  const fileInfo = await getInfoAsync(path)
+
+  if (!fileInfo.exists) {
+    throw new Error('Failed to get file info')
+  }
+
+  /*
+   * Dimensions of the bundled asset (assets/images/welcome-modal-bg.jpg). Only
+   * used for downstream aspect-ratio display; the actual bytes are read from
+   * disk by compressIfNeeded.
+   */
+  return await compressIfNeeded(
+    {
+      path,
+      mime: 'image/jpeg',
+      size: fileInfo.size,
+      width: 1432,
+      height: 1025,
+    },
+    IMAGE_SIZE_CONFIG_2K_1MB,
+  )
+}
+
 export async function openPicker(): Promise<PickerImage[]> {
   return [await getFile()]
 }