feat: port TechLog Studio shell and indexes

src/features/tech-log/presentation/studio/pages/documents-page.tsx

@@ -0,0 +1,5 @@
+import { DocumentList } from "../components/document-list.tsx";
+
+export function DocumentsPage() {
+  return <DocumentList />;
+}

src/features/tech-log/presentation/studio/pages/new-document-page.tsx

@@ -0,0 +1,5 @@
+import { NewDocumentForm } from "../components/new-document-form.tsx";
+
+export function NewDocumentPage() {
+  return <NewDocumentForm />;
+}

src/features/tech-log/presentation/studio/pages/studio-home-page.tsx

@@ -0,0 +1,5 @@
+import { StudioDashboard } from "../components/studio-dashboard.tsx";
+
+export function StudioHomePage() {
+  return <StudioDashboard />;
+}

src/features/tech-log/presentation/studio/pages/studio-not-found-page.tsx

@@ -0,0 +1,12 @@
+import { Link } from "react-router-dom";
+
+export function StudioNotFoundPage() {
+  return (
+    <section className="studio-route-state">
+      <p className="studio-eyebrow">404</p>
+      <h1>Studio 화면을 찾을 수 없습니다</h1>
+      <p>주소를 확인하거나 작업본 목록에서 다시 시작하세요.</p>
+      <Link to="/studio/documents">작업본으로 돌아가기</Link>
+    </section>
+  );
+}