feat: Sprint Commander macOS 앱 섹션 추가 + SceneKit 스택 추가

Author: M1zz

index.html

@@ -307,6 +307,22 @@ <h3 class="card-title">학습 유형 진단</h3>
       </a>
     </div>
 
+    <!-- macOS Apps -->
+    <h3 class="subsection-title" style="margin-top:3.5rem;">macOS Apps</h3>
+    <div class="card-grid">
+      <a class="card card--featured" href="https://github.com/M1zz/SprintCommander" target="_blank">
+        <div class="card-visual card-visual--wide" style="background:linear-gradient(135deg,#4a9eff,#1e40af);">
+          <span style="font-family:'JetBrains Mono',monospace;font-size:0.9rem;font-weight:700;color:white;text-align:center;line-height:1.3;">Sprint<br>Commander</span>
+        </div>
+        <div class="card-info">
+          <span class="card-badge badge--blue">macOS Native · SwiftUI · CloudKit</span>
+          <h3 class="card-title">Sprint Commander — 스프린트 관리 앱</h3>
+          <p class="card-desc">칸반 보드, 간트 차트 타임라인, 번다운 차트, 팀 워크로드를 한 화면에서. 프로젝트 소스 자동 스캔, CloudKit 동기화, Claude Code 연동으로 AI가 백로그를 자동 생성합니다.</p>
+          <div class="card-hint">&rarr; GitHub에서 보기</div>
+        </div>
+      </a>
+    </div>
+
     <!-- iOS Apps -->
     <h3 class="subsection-title" style="margin-top:3.5rem;">iOS Apps</h3>
     <div class="card-grid">
@@ -623,6 +639,7 @@ <h2 class="section-title">사용하는 기술</h2>
       <span class="stack-item">CloudKit</span>
       <span class="stack-item">StoreKit</span>
       <span class="stack-item">MapKit</span>
+      <span class="stack-item">SceneKit</span>
       <span class="stack-item">Claude Code</span>
       <span class="stack-item">AI/ML</span>
       <span class="stack-item">App Store Connect</span>