Change default routing profile to fastbike, move hiking to end

The app is primarily for cycling. Default profile is now "Cycling (fast)"
instead of "Hiking". Profile order: fastbike, safety, shortest, car,
trekking.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/planner/app/lib/use-routing.ts

@@ -91,7 +91,7 @@ export function useRouting(yjs: YjsState | null) {
           headers: { "Content-Type": "application/json" },
           body: JSON.stringify({
             waypoints,
-            profile: (yjs.routeData.get("profile") as string) ?? "trekking",
+            profile: (yjs.routeData.get("profile") as string) ?? "fastbike",
             noGoAreas: noGoAreas.length > 0 ? noGoAreas : undefined,
           }),
         });