diff --git a/backend/main.py b/backend/main.py
index fbae790..4490cbb 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -691,7 +691,26 @@ async def favicon():
 
 @app.get("/manifest.json")
 async def manifest():
-    return FileResponse(f"{STATIC_DIR}/manifest.json")
+    import json as _json
+    IS_STAGING = os.getenv("STAGING", "false").lower() == "true"
+    with open(f"{STATIC_DIR}/manifest.json", encoding="utf-8") as f:
+        data = _json.load(f)
+    if IS_STAGING:
+        data["name"]             = "Ban Yaro Staging"
+        data["short_name"]       = "BY ⚗️"
+        data["theme_color"]      = "#7c3aed"
+        data["background_color"] = "#2d1b69"
+        data["id"]               = "/staging"
+        # Icons mit Staging-Variante überschreiben falls vorhanden
+        staging_icon = "/icons/icon-192-staging.png"
+        import os as _os
+        if _os.path.exists(f"{STATIC_DIR}/icons/icon-192-staging.png"):
+            data["icons"] = [
+                {"src": "/icons/icon-192-staging.png", "sizes": "192x192", "type": "image/png", "purpose": "any maskable"},
+                {"src": "/icons/icon-512-staging.png", "sizes": "512x512", "type": "image/png", "purpose": "any maskable"},
+            ]
+    from fastapi.responses import JSONResponse
+    return JSONResponse(content=data, media_type="application/manifest+json")
 
 @app.get("/sw.js")
 async def service_worker():
diff --git a/backend/static/icons/icon-192-staging.png b/backend/static/icons/icon-192-staging.png
new file mode 100644
index 0000000..f7eed35
Binary files /dev/null and b/backend/static/icons/icon-192-staging.png differ
diff --git a/backend/static/icons/icon-512-staging.png b/backend/static/icons/icon-512-staging.png
new file mode 100644
index 0000000..136da91
Binary files /dev/null and b/backend/static/icons/icon-512-staging.png differ