Give debug wind fixtures an explicit stack budget

crates/horizon-client/examples/wind_burst_hook_probe.rs

@@ -24,5 +24,13 @@ fn main() {
     } else {
         Arc::from([Box::new(Protect) as Box<dyn Hooks>])
     };
-    horizon_client::entry::main_with(mods);
+    // Debug Game construction exceeds the Windows main thread's default stack.
+    // This worker only loads the isolated component fixture; it has no window.
+    std::thread::Builder::new()
+        .name("wind-burst-fixture".into())
+        .stack_size(64 * 1024 * 1024)
+        .spawn(move || horizon_client::entry::main_with(mods))
+        .expect("start wind fixture")
+        .join()
+        .expect("wind fixture panicked");
 }

tools/test_wind_burst_hook.py

@@ -52,6 +52,9 @@ def check(binary, resources, timeout=600, evidence=None):
         for mode in ['no_mod', 'noop', 'protect']:
             output = work / (mode + '.txt')
             env = dict(os.environ, HORIZON_DISPENSE_FIXTURE=f'{inputs},{output}')
+            env['RUST_MIN_STACK'] = str(64 * 1024 * 1024)
+            env.setdefault('HORIZON_WORKER_THREADS', '2')
+            env.setdefault('HORIZON_JOB_THREADS', '2')
             env.pop('HORIZON_WIND_NO_MOD', None)
             env.pop('HORIZON_WIND_PROTECT', None)
             if mode == 'no_mod':