chore(wails): scaffold v3 project boilerplate

Wails v3 replaces the NPM-only dev entry point. This adds the Go module,
Taskfile, build metadata, and a minimal window shell without touching
frontend logic.

Co-authored-by: Cursor <cursoragent@cursor.com>

build/ios/main.m

@@ -0,0 +1,22 @@
+//go:build ios
+// Minimal bootstrap: delegate comes from Go archive (WailsAppDelegate)
+#import <UIKit/UIKit.h>
+#include <stdio.h>
+
+int main(int argc, char * argv[]) {
+    @autoreleasepool {
+        // Disable buffering so stdout/stderr from Go log.Printf flush immediately
+        setvbuf(stdout, NULL, _IONBF, 0);
+        setvbuf(stderr, NULL, _IONBF, 0);
+
+        // Call UIApplicationMain IMMEDIATELY and start NOTHING else here. Do not
+        // start the Go runtime yet: starting it concurrently with UIApplicationMain
+        // intermittently corrupts the FrontBoard launch handshake on a physical
+        // device, so the app delegate's didFinishLaunchingWithOptions never fires
+        // (blank cold launch / 0x8BADF00D). Instead, the WailsAppDelegate (provided
+        // by the Go archive) starts the Go runtime itself from
+        // didFinishLaunchingWithOptions — i.e. only AFTER UIKit has delivered the
+        // launch — so the runtime never races the launch handshake.
+        return UIApplicationMain(argc, argv, nil, @"WailsAppDelegate");
+    }
+}