Update landing page

frontend/src/utils/navigation.ts

@@ -0,0 +1,71 @@
+/**
+ * Navigation Utilities
+ *
+ * Centralized functions for generating navigation URLs with proper parameters
+ */
+
+import PILOT_CONFIG from '../config/pilot';
+import type { SubscriptionTier } from '../api';
+
+/**
+ * Generate register URL with proper query parameters
+ *
+ * @param planTier - Optional subscription plan tier (starter, professional, enterprise)
+ * @returns Register URL with appropriate query parameters
+ *
+ * @example
+ * // In pilot mode with plan selected
+ * getRegisterUrl('starter') // => '/register?pilot=true&plan=starter'
+ *
+ * // In pilot mode without plan
+ * getRegisterUrl() // => '/register?pilot=true'
+ *
+ * // Not in pilot mode with plan
+ * getRegisterUrl('professional') // => '/register?plan=professional'
+ */
+export const getRegisterUrl = (planTier?: SubscriptionTier | string): string => {
+  const params = new URLSearchParams();
+
+  // Add pilot parameter if pilot mode is enabled globally
+  if (PILOT_CONFIG.enabled) {
+    params.set('pilot', 'true');
+  }
+
+  // Add plan parameter if specified
+  if (planTier) {
+    params.set('plan', planTier);
+  }
+
+  const queryString = params.toString();
+  return `/register${queryString ? '?' + queryString : ''}`;
+};
+
+/**
+ * Generate login URL
+ */
+export const getLoginUrl = (): string => {
+  return '/login';
+};
+
+/**
+ * Generate demo URL
+ */
+export const getDemoUrl = (): string => {
+  return '/demo';
+};
+
+/**
+ * Check if current URL has pilot parameter
+ */
+export const isPilotUrl = (): boolean => {
+  const searchParams = new URLSearchParams(window.location.search);
+  return searchParams.get('pilot') === 'true';
+};
+
+/**
+ * Get plan from current URL
+ */
+export const getPlanFromUrl = (): string | null => {
+  const searchParams = new URLSearchParams(window.location.search);
+  return searchParams.get('plan');
+};