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>

app/park/[id]/page.tsx

@@ -97,23 +97,30 @@ export default async function ParkPage({ params, searchParams }: PageProps) {
         {/* ── Ride Status ─────────────────────────────────────────────────── */}
         <section>
           <SectionHeading aside={liveRides ? (
-            <a
-              href="https://queue-times.com"
-              target="_blank"
-              rel="noopener noreferrer"
-              style={{
-                fontSize: "0.68rem",
-                color: "var(--color-text-dim)",
-                textDecoration: "none",
-                display: "flex",
-                alignItems: "center",
-                gap: 4,
-                transition: "color 120ms ease",
-              }}
-              className="park-name-link"
-            >
-              via queue-times.com
-            </a>
+            <span style={{ display: "flex", alignItems: "center", gap: 6, flexWrap: "wrap", justifyContent: "flex-end" }}>
+              <a
+                href="https://queue-times.com"
+                target="_blank"
+                rel="noopener noreferrer"
+                style={{
+                  fontSize: "0.68rem",
+                  color: "var(--color-text-dim)",
+                  textDecoration: "none",
+                  display: "flex",
+                  alignItems: "center",
+                  gap: 4,
+                  transition: "color 120ms ease",
+                }}
+                className="park-name-link"
+              >
+                via queue-times.com
+              </a>
+              {liveRides.rides.some((r) => r.hasFastLane) && (
+                <span style={{ fontSize: "0.68rem", color: "var(--color-text-dim)" }}>
+                  · Fast Lane via sixflags.com
+                </span>
+              )}
+            </span>
           ) : undefined}>
             Rides
             {liveRides ? (