{ "id": "/", "name": "Echo — Language Reader", "short_name": "Echo", "description": "Learn a language by reading real texts — tappable meanings, sentence audio, and Study Room drills. Works offline: study on flights, trains, commutes, and bad Wi-Fi.", "icons": [ { "src": "/icon-192.png?v=20260719e", "sizes": "192x192", "type": "image/png", "purpose": "any" }, { "src": "/icon-512.png?v=20260719e", "sizes": "512x512", "type": "image/png", "purpose": "any" }, { "src": "/icon-192.png?v=20260719e", "sizes": "192x192", "type": "image/png", "purpose": "maskable" }, { "src": "/icon-512.png?v=20260719e", "sizes": "512x512", "type": "image/png", "purpose": "maskable" } ], "theme_color": "#221c17", "background_color": "#faf6ef", "display": "standalone", "scope": "/", "start_url": "/", "categories": ["education", "books"], "launch_handler": { "client_mode": "focus-existing" }, "capture_links": "existing-client-navigate" }