Add guest analytics consent nudge

resources/js/guest/lib/analyticsConsent.ts

@@ -0,0 +1,34 @@
+export type AnalyticsNudgeState = {
+  decisionMade: boolean;
+  analyticsConsent: boolean;
+  snoozedUntil: number | null;
+  now: number;
+  activeSeconds: number;
+  routeCount: number;
+  thresholdSeconds: number;
+  thresholdRoutes: number;
+  isUpload: boolean;
+};
+
+export function isUploadPath(pathname: string): boolean {
+  return /\/upload(?:\/|$)/.test(pathname);
+}
+
+export function shouldShowAnalyticsNudge(state: AnalyticsNudgeState): boolean {
+  if (state.decisionMade || state.analyticsConsent) {
+    return false;
+  }
+
+  if (state.isUpload) {
+    return false;
+  }
+
+  if (state.snoozedUntil && state.snoozedUntil > state.now) {
+    return false;
+  }
+
+  return (
+    state.activeSeconds >= state.thresholdSeconds &&
+    state.routeCount >= state.thresholdRoutes
+  );
+}