ASO tooling: compositores de marketing + captura UITest

- testCaptureScreenshots en PortfolioJournalUITests: captura tabs con datos demo,
  idioma vía SCREENSHOT_LANG (usa el modo --screenshots del commit siguiente)
- Scripts/aso: compositores de screenshots de App Store (frame_layout con
  perspectiva 3D + panorama multi-panel, variantes premium/tilt), layouts JSON
  iPhone/iPad, y asc.py (helper API App Store Connect para estado/screenshots)
- Fix test roto pre-existente: OnboardingQuickStartView.appSettingsURL restaurado

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015qUZrBusG82T37R7PeokqJ

.gitignore

@@ -28,3 +28,10 @@ fastlane/test_output/
 Justificante_*.pdf
 *.pkg
 og-image.png
+
+# ASO tooling artifacts
+Scripts/aso/.venv/
+Scripts/aso/_*.png
+Scripts/aso/pano_*/
+Scripts/aso/originals/
+__pycache__/