docs: record approved app direction and Android setup scripts

scripts/create-android-emulator.ps1

@@ -0,0 +1,14 @@
+$ErrorActionPreference = 'Stop'
+. (Join-Path $PSScriptRoot 'android-env.ps1')
+$taskImagePath = Join-Path $env:ANDROID_HOME 'system-images/android-36/google_apis/x86_64/system.img'
+if (-not (Test-Path -LiteralPath $taskImagePath)) { throw 'Run setup-android-sdk.ps1 -WithEmulator first.' }
+$taskAvdName = 'hepan_everyday'
+$taskAvdConfig = Join-Path $env:ANDROID_AVD_HOME "$taskAvdName.avd/config.ini"
+if (Test-Path -LiteralPath $taskAvdConfig) {
+    Write-Output "Emulator $taskAvdName already exists."
+    exit 0
+}
+New-Item -ItemType Directory -Force -Path $env:ANDROID_AVD_HOME | Out-Null
+'no' | & avdmanager.bat create avd --name $taskAvdName --package 'system-images;android-36;google_apis;x86_64' --device 'pixel_7'
+if ($LASTEXITCODE -ne 0) { throw 'Android virtual device creation failed.' }
+Write-Output "Created $taskAvdName (Pixel 7, Android 16)."