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config/urls.py

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+from django.contrib import admin
+from django.conf import settings
+from django.conf.urls.static import static
+from django.db import connection
+from django.http import JsonResponse
+from django.shortcuts import render
+from django.templatetags.static import static as static_url
+from django.urls import include, path
+from django.views.static import serve
+
+from apps.core.models import SiteBranding
+
+
+def healthz(request):
+    with connection.cursor() as cursor:
+        cursor.execute("SELECT 1")
+        cursor.fetchone()
+    response = JsonResponse({"status": "ok"})
+    response["Cache-Control"] = "no-store"
+    return response
+
+
+def public_branding(request, path):
+    """Serve only public branding uploads; all ticket files use authorized views."""
+    return serve(request, path, document_root=settings.MEDIA_ROOT / "branding")
+
+def service_worker(request):
+    response = render(request, "pwa/service-worker.js", content_type="application/javascript")
+    response["Cache-Control"] = "no-cache, no-store, must-revalidate"
+    response["Service-Worker-Allowed"] = "/"
+    return response
+
+
+def web_manifest(request):
+    branding = SiteBranding.load()
+    try:
+        icon_url = branding.pwa_icon.url if branding.pwa_icon else static_url("images/pwa-icon.png")
+    except (ValueError, OSError):
+        icon_url = static_url("images/pwa-icon.png")
+    response = JsonResponse({
+        "id": "/", "name": branding.pwa_name, "short_name": branding.pwa_title,
+        "description": branding.pwa_description, "start_url": "/tickets/", "scope": "/",
+        "display": "standalone", "background_color": "#eeeeee", "theme_color": "#08376b",
+        "lang": "fa", "dir": "rtl",
+        "icons": [{"src": icon_url, "sizes": "1024x1024", "type": "image/png", "purpose": "any maskable"}],
+    }, json_dumps_params={"ensure_ascii": False})
+    response["Cache-Control"] = "no-cache, no-store, must-revalidate"
+    return response
+
+urlpatterns = [
+    path("healthz/", healthz, name="healthz"),
+    path("media/branding/<path:path>", public_branding, name="public_branding"),
+    path("service-worker.js", service_worker, name="service_worker"),
+    path("manifest.webmanifest", web_manifest, name="web_manifest"),
+    path("admin/", admin.site.urls),
+    path("", include("apps.accounts.urls")),
+    path("tickets/", include("apps.tickets.customer_urls")),
+    path("staff/", include("apps.tickets.staff_urls")),
+    path("messages/", include("apps.messaging.urls")),
+    path("files/", include("apps.attachments.urls")),
+]
+
+if settings.DEBUG:
+    urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)