Add map-specific tournament creation link

components/StartGame.tsx

@@ -4,7 +4,7 @@ import { useI18n } from "@/components/I18nProvider";
 import { useEffect, useRef, useState, type FormEvent } from "react";
 import Link from "next/link";
 import { useRouter } from "next/navigation";
-import { ArrowRight, Timer, ZoomIn, Users } from "lucide-react";
+import { ArrowRight, Timer, ZoomIn, Users, Trophy } from "lucide-react";
 import {
   difficulties,
   customDifficultySchema,
@@ -42,6 +42,7 @@ export function StartGame({
     [loading, setLoading] = useState(false),
     [error, setError] = useState("");
   const router = useRouter();
+  const tournamentPath = `/tournaments?map=${encodeURIComponent(datasetId)}`;
   const starting = useRef(false);
   const savingPreset = useRef(false);
   useEffect(() => {
@@ -147,6 +148,22 @@ export function StartGame({
           <Users size={15} /> {t("Multiplayer")}
         </button>
       </div>
+      <Link
+        className="button tournament-map-action full"
+        href={
+          hostName
+            ? tournamentPath
+            : `/log-in?next=${encodeURIComponent(tournamentPath)}`
+        }
+      >
+        <Trophy size={17} />
+        {t(
+          hostName
+            ? "Create tournament with this map"
+            : "Log in to create a tournament",
+        )}
+        <ArrowRight size={17} />
+      </Link>
       <div className="difficulty-options">
         {options.map((option) => (
           <button