Filza 27.2 worse_query: public and developer builds

WQStartupUI.h

@@ -0,0 +1,10 @@
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+/// Shows the blocking startup panel and starts the worse_query pipeline.
+/// The panel dismisses when @"WQStartupFinished" is posted, then posts
+/// @"WQStartupUIDidDismiss" so the browser can jump to the populated root.
+FOUNDATION_EXPORT void WQStartupUIBegin(void);
+
+NS_ASSUME_NONNULL_END