feat(pages): add pages and navigation builder baseline

packages/db/prisma/seed.ts

@@ -95,6 +95,69 @@ async function main() {
       }),
     },
   })
+
+  const homePage = await db.page.upsert({
+    where: { slug: "home" },
+    update: {},
+    create: {
+      title: "Home",
+      slug: "home",
+      status: "published",
+      summary: "Default homepage seeded for pages/navigation baseline.",
+      content: "Welcome to your new artist CMS homepage.",
+      seoTitle: "Home",
+      seoDescription: "Seeded homepage",
+      publishedAt: new Date(),
+    },
+  })
+
+  const primaryMenu = await db.navigationMenu.upsert({
+    where: { slug: "primary" },
+    update: {},
+    create: {
+      name: "Primary",
+      slug: "primary",
+      location: "header",
+      isVisible: true,
+    },
+  })
+
+  const existingHomeItem = await db.navigationItem.findFirst({
+    where: {
+      menuId: primaryMenu.id,
+      parentId: null,
+      sortOrder: 0,
+      label: "Home",
+    },
+    select: {
+      id: true,
+    },
+  })
+
+  if (existingHomeItem) {
+    await db.navigationItem.update({
+      where: {
+        id: existingHomeItem.id,
+      },
+      data: {
+        pageId: homePage.id,
+        href: "/",
+        isVisible: true,
+      },
+    })
+  } else {
+    await db.navigationItem.create({
+      data: {
+        menuId: primaryMenu.id,
+        label: "Home",
+        href: "/",
+        pageId: homePage.id,
+        parentId: null,
+        sortOrder: 0,
+        isVisible: true,
+      },
+    })
+  }
 }
 
 main()