feat(qualification): add qualification course page

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/app/(frontend)/qualification/page.tsx

@@ -0,0 +1,70 @@
+import type { Metadata } from "next";
+import config from "@payload-config";
+import { getPayload } from "payload";
+import { headers as nextHeaders } from "next/headers";
+import { redirect } from "next/navigation";
+import { Crosshair } from "lucide-react";
+
+import type { AimTrainerStats } from "@/app/(frontend)/qualification/actions";
+import { AimTrainerArena } from "@/components/frontend/qualification/AimTrainerArena";
+
+export const metadata: Metadata = {
+  title: "Qualification Course — Polaris Task Force",
+  description: "Complete a timed qualification course to sharpen your marksmanship and earn XP.",
+};
+
+export default async function QualificationPage() {
+  const headers = await nextHeaders();
+  const payloadConfig = await config;
+  const payload = await getPayload({ config: payloadConfig });
+  const { user } = await payload.auth({ headers, canSetHeaders: false });
+
+  if (!user) {
+    redirect(`/login?returnTo=${encodeURIComponent("/qualification")}`);
+  }
+
+  const profileRes = await payload.find({
+    collection: "profiles",
+    where: { user: { equals: user.id as number } },
+    limit: 1,
+    depth: 0,
+    overrideAccess: true,
+    select: {
+      progression: {
+        minigames: true,
+      },
+    },
+  });
+
+  const aimTrainer = profileRes.docs[0]?.progression?.minigames?.aimTrainer ?? {};
+  const stats: AimTrainerStats = {
+    gamesPlayed: aimTrainer.gamesPlayed ?? 0,
+    bestScore: aimTrainer.bestScore ?? 0,
+    recruitBestScore: aimTrainer.recruitBestScore ?? 0,
+    veteranBestScore: aimTrainer.veteranBestScore ?? 0,
+    eliteBestScore: aimTrainer.eliteBestScore ?? 0,
+    recruitBestAccuracy: aimTrainer.recruitBestAccuracy ?? 0,
+    veteranBestAccuracy: aimTrainer.veteranBestAccuracy ?? 0,
+    eliteBestAccuracy: aimTrainer.eliteBestAccuracy ?? 0,
+    aimTrainerXp: aimTrainer.xpEarned ?? 0,
+    xpEarned: 0,
+    score: 0,
+    accuracy: 0,
+  };
+
+  return (
+    <div className="flex min-w-0 flex-col gap-6 p-5">
+      <div className="flex flex-col gap-1">
+        <div className="flex items-center gap-2">
+          <Crosshair className="size-5 text-muted-foreground" />
+          <h1 className="text-lg font-semibold">Qualification Course</h1>
+        </div>
+        <p className="text-sm text-muted-foreground">
+          Acquire targets, place your shots, and qualify under pressure.
+        </p>
+      </div>
+
+      <AimTrainerArena initialStats={stats} currentUserId={user.id} />
+    </div>
+  );
+}