feat: integrate official PIGWay v1.1 brand assets

tests/test_api.py

@@ -291,6 +291,28 @@ def test_core_has_no_client_special_case():
     )
 
 
+def test_official_brand_assets(client):
+    html = client.get("/").text
+    assert "/ui/favicon.svg" in html
+    assert "/ui/apple-touch-icon.png" in html
+    assert 'class="mobile-brand-logo pigway-logo"' in html
+    for filename, content_type in [
+        ("logo-symbol.svg", "image/svg+xml"),
+        ("favicon.svg", "image/svg+xml"),
+        ("favicon.ico", "image/vnd.microsoft.icon"),
+        ("apple-touch-icon.png", "image/png"),
+    ]:
+        response = client.get("/ui/" + filename)
+        assert response.status_code == 200
+        assert response.headers["content-type"].split(";")[0] in (
+            content_type,
+            "image/x-icon",
+        )
+        assert (
+            response.content == (Path("pigway_frame_flow/web") / filename).read_bytes()
+        )
+
+
 def test_ui_languages(client):
     assert client.get("/ui/app.js").status_code == 200
     i18n = client.get("/ui/i18n.js").text