feat: support Grok video edits and extensions

backend/internal/web/embed_on.go

@@ -308,7 +308,8 @@ func shouldBypassEmbeddedFrontend(path string) bool {
 		trimmed == "/health" ||
 		trimmed == "/responses" ||
 		strings.HasPrefix(trimmed, "/responses/") ||
-		strings.HasPrefix(trimmed, "/images/")
+		strings.HasPrefix(trimmed, "/images/") ||
+		strings.HasPrefix(trimmed, "/videos/")
 }
 
 func serveIndexHTML(c *gin.Context, fsys fs.FS) {

backend/internal/web/embed_test.go

@@ -562,6 +562,17 @@ func TestFrontendServer_Middleware(t *testing.T) {
 	})
 }
 
+func TestEmbeddedFrontendBypassesBareVideoAPIRoutes(t *testing.T) {
+	for _, path := range []string{
+		"/videos/generations",
+		"/videos/edits",
+		"/videos/extensions",
+		"/videos/request-123",
+	} {
+		require.True(t, shouldBypassEmbeddedFrontend(path), "path=%s", path)
+	}
+}
+
 func TestNewFrontendServer(t *testing.T) {
 	t.Run("creates_server_successfully", func(t *testing.T) {
 		provider := &mockSettingsProvider{