fix(gateway): prevent reconnect race and hide windows subprocess consoles

Co-authored-by: Haze <hazeone@users.noreply.github.com>

electron/gateway/process-policy.ts

@@ -0,0 +1,27 @@
+export function shouldHideConsoleWindow(platform: NodeJS.Platform = process.platform): boolean {
+  return platform === 'win32';
+}
+
+export function nextLifecycleEpoch(currentEpoch: number): number {
+  return currentEpoch + 1;
+}
+
+export function isLifecycleSuperseded(expectedEpoch: number, currentEpoch: number): boolean {
+  return expectedEpoch !== currentEpoch;
+}
+
+export interface ReconnectAttemptContext {
+  scheduledEpoch: number;
+  currentEpoch: number;
+  shouldReconnect: boolean;
+}
+
+export function getReconnectSkipReason(context: ReconnectAttemptContext): string | null {
+  if (!context.shouldReconnect) {
+    return 'auto-reconnect disabled';
+  }
+  if (isLifecycleSuperseded(context.scheduledEpoch, context.currentEpoch)) {
+    return `stale reconnect callback (scheduledEpoch=${context.scheduledEpoch}, currentEpoch=${context.currentEpoch})`;
+  }
+  return null;
+}