feat: add public player profile page

apps/web/src/components/game/GameLayout.tsx

@@ -47,11 +47,14 @@ export const GameLayout = (): React.JSX.Element => {
 
   if (!state) return <div className="loading-screen"><p>Loading...</p></div>;
 
+  const profileUrl = `/profile/${state.player.discordId}`;
+
   return (
     <div className="game-layout">
       <ResourceBar
         resources={state.resources}
         prestigeCount={state.prestige.count}
+        profileUrl={profileUrl}
       />
       <OfflineModal />
       <AchievementToast />

apps/web/src/components/game/ProfilePage.tsx

@@ -0,0 +1,115 @@
+import type { PublicProfileResponse } from "@elysium/types";
+import { useEffect, useState } from "react";
+import { formatNumber } from "../../utils/format.js";
+
+interface ProfilePageProps {
+  discordId: string;
+}
+
+export const ProfilePage = ({ discordId }: ProfilePageProps): React.JSX.Element => {
+  const [profile, setProfile] = useState<PublicProfileResponse | null>(null);
+  const [error, setError] = useState<string | null>(null);
+  const [copied, setCopied] = useState(false);
+
+  useEffect(() => {
+    fetch(`/api/profile/${discordId}`)
+      .then(async (res) => {
+        if (!res.ok) throw new Error("Player not found");
+        return res.json() as Promise<PublicProfileResponse>;
+      })
+      .then(setProfile)
+      .catch((err: unknown) => {
+        setError(err instanceof Error ? err.message : "Failed to load profile");
+      });
+  }, [discordId]);
+
+  const handleCopy = (): void => {
+    void navigator.clipboard.writeText(window.location.href).then(() => {
+      setCopied(true);
+      setTimeout(() => { setCopied(false); }, 2000);
+    });
+  };
+
+  if (error) {
+    return (
+      <div className="profile-page">
+        <div className="profile-error">
+          <p>⚠️ {error}</p>
+          <a className="profile-play-link" href="/">← Play Elysium</a>
+        </div>
+      </div>
+    );
+  }
+
+  if (!profile) {
+    return (
+      <div className="profile-page">
+        <div className="profile-loading">Loading profile…</div>
+      </div>
+    );
+  }
+
+  const avatarUrl = profile.avatar
+    ? `https://cdn.discordapp.com/avatars/${discordId}/${profile.avatar}.png?size=128`
+    : `https://cdn.discordapp.com/embed/avatars/${parseInt(discordId, 10) % 5}.png`;
+
+  const memberSince = new Date(profile.createdAt).toLocaleDateString("en-GB", {
+    year: "numeric",
+    month: "long",
+    day: "numeric",
+  });
+
+  return (
+    <div className="profile-page">
+      <div className="profile-card">
+        <div className="profile-header">
+          <img
+            alt={`${profile.username}'s avatar`}
+            className="profile-avatar"
+            src={avatarUrl}
+          />
+          <div className="profile-identity">
+            <h1 className="profile-character-name">{profile.characterName}</h1>
+            <p className="profile-username">@{profile.username}</p>
+            {profile.prestigeCount > 0 && (
+              <span className="profile-prestige-badge">
+                ⭐ Prestige {profile.prestigeCount}
+              </span>
+            )}
+          </div>
+        </div>
+
+        <div className="profile-stats">
+          <div className="profile-stat">
+            <span className="profile-stat-icon">🪙</span>
+            <span className="profile-stat-value">{formatNumber(profile.totalGoldEarned)}</span>
+            <span className="profile-stat-label">Total Gold Earned</span>
+          </div>
+          <div className="profile-stat">
+            <span className="profile-stat-icon">👆</span>
+            <span className="profile-stat-value">{formatNumber(profile.totalClicks)}</span>
+            <span className="profile-stat-label">Total Clicks</span>
+          </div>
+          <div className="profile-stat">
+            <span className="profile-stat-icon">📅</span>
+            <span className="profile-stat-value profile-stat-date">{memberSince}</span>
+            <span className="profile-stat-label">Guild Founded</span>
+          </div>
+        </div>
+
+        <div className="profile-actions">
+          <button
+            className="profile-share-button"
+            onClick={handleCopy}
+            type="button"
+          >
+            {copied ? "✓ Copied!" : "🔗 Copy Profile Link"}
+          </button>
+          <a className="profile-play-link" href="/">
+            ⚔️ Play Elysium
+          </a>
+        </div>
+      </div>
+    </div>
+  );
+};