Add TimeToLeave feature checklist and plan (50)

Add TimeToLeave feature checklist and plan

packages/api-client/src/client.ts

@@ -56,6 +56,23 @@ export class ApiClient {
     return res.json();
   }
 
+  async getWalkRoute(
+    fromLat: number,
+    fromLng: number,
+    toLat: number,
+    toLng: number,
+  ): Promise<BikeRoute> {
+    const url = buildUrl(this.baseUrl, "/api/walk-route", {
+      fromLat: String(fromLat),
+      fromLng: String(fromLng),
+      toLat: String(toLat),
+      toLng: String(toLng),
+    });
+    const res = await fetch(url);
+    if (!res.ok) throw new Error(`Walk route failed: ${res.status}`);
+    return res.json();
+  }
+
   async fetchCalendar(url: string, days?: number): Promise<CalendarEvent[]> {
     const params: Record<string, string> = { url };
     if (days) params.days = String(days);