feat: add Fast Lane wait times toggle on park pages

Join Fast Lane waits from the Six Flags /wait-times endpoint onto
Queue-Times rides by name. A new toggle on the live ride panel swaps
the shown wait to the Fast Lane number; regular waits and open status
still come from Queue-Times.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

backend/src/routes/rides.ts

@@ -5,11 +5,14 @@ import { getCoasterSet } from "../../../lib/coaster-data";
 import { getTodayLocal, isWithinOperatingWindow } from "../../../lib/env";
 import { fetchLiveRides } from "../../../lib/scrapers/queuetimes";
 import { scrapeRidesForDay } from "../../../lib/scrapers/sixflags";
+import { fetchFastLaneWaits, lookupFastLane } from "../../../lib/scrapers/sixflags-waittimes";
 import { getDayData } from "../db/queries";
 import { TtlCache } from "../services/cache";
 import type { LiveRidesResult } from "../../../lib/scrapers/queuetimes";
+import type { FastLaneResult } from "../../../lib/scrapers/sixflags-waittimes";
 
 const liveRidesCache = new TtlCache<LiveRidesResult | null>(5 * 60 * 1000);
+const fastLaneCache = new TtlCache<FastLaneResult | null>(5 * 60 * 1000);
 
 const app = new Hono();
 
@@ -41,6 +44,30 @@ app.get("/:id/rides", async (c) => {
         rides: liveRides.rides.map((r) => ({ ...r, isOpen: false, waitMinutes: 0 })),
       };
     }
+
+    // Join Fast Lane waits (Six Flags /wait-times) onto the Queue-Times rides by name.
+    if (liveRides) {
+      let fastLane = fastLaneCache.get(id);
+      if (fastLane === null) {
+        fastLane = await fetchFastLaneWaits(park.apiId).catch(() => null);
+        if (fastLane) fastLaneCache.set(id, fastLane);
+      }
+      if (fastLane) {
+        const fl = fastLane;
+        liveRides = {
+          ...liveRides,
+          rides: liveRides.rides.map((r) => {
+            const match = lookupFastLane(r.name, fl);
+            if (!match) return r;
+            return {
+              ...r,
+              hasFastLane: match.hasFastLane,
+              fastLaneMinutes: r.isOpen ? match.fastLaneMinutes : null,
+            };
+          }),
+        };
+      }
+    }
   }
 
   const isWeatherDelay =