Add branch navigation examples to pages

Companion examples for docs PR webflow/openapi-internal#796.

New pageBranching section with:
- getBranchId: read branch ID of current page
- getParentPageId: read source page ID
- listBranches: discover all branches for a page
- navigateToBranch: discover + switchPage to first branch
- navigateBackToMain: getParentPageId + switchPage back

Author: AndrewDiMola

src/examples/pages.ts

@@ -362,4 +362,79 @@ export const Pages = {
       await currentPage.setOpenGraphDescription(description)
     },
   },
+
+  // Page Branching
+  pageBranching: {
+    getBranchId: async () => {
+      const currentPage = (await webflow.getCurrentPage()) as Page
+
+      const branchId = await currentPage.getBranchId()
+      if (branchId) {
+        console.log('Currently on branch:', branchId)
+      } else {
+        console.log('This page is not a branch.')
+      }
+    },
+
+    getParentPageId: async () => {
+      const currentPage = (await webflow.getCurrentPage()) as Page
+
+      const parentPageId = await currentPage.getParentPageId()
+      if (parentPageId) {
+        console.log('Branch source page ID:', parentPageId)
+      } else {
+        console.log('This page is not a branch.')
+      }
+    },
+
+    listBranches: async () => {
+      const currentPage = (await webflow.getCurrentPage()) as Page
+
+      const branches = await currentPage.listBranches()
+      if (branches.length > 0) {
+        console.log(`Found ${branches.length} branch(es):`)
+        for (const branch of branches) {
+          console.log(`  pageId: ${branch.pageId}, branchId: ${branch.branchId}`)
+        }
+      } else {
+        console.log('No branches found for this page.')
+      }
+    },
+
+    navigateToBranch: async () => {
+      const currentPage = (await webflow.getCurrentPage()) as Page
+
+      // Discover branches
+      const branches = await currentPage.listBranches()
+      if (branches.length === 0) {
+        console.log('No branches found.')
+        return
+      }
+
+      // Navigate to the first branch
+      const allPages = await webflow.getAllPagesAndFolders()
+      const branchPage = allPages.find((p) => p.id === branches[0].pageId)
+      if (branchPage) {
+        await webflow.switchPage(branchPage)
+        console.log('Switched to branch:', branches[0].branchId)
+      }
+    },
+
+    navigateBackToMain: async () => {
+      const currentPage = (await webflow.getCurrentPage()) as Page
+
+      const parentPageId = await currentPage.getParentPageId()
+      if (!parentPageId) {
+        console.log('Not on a branch page.')
+        return
+      }
+
+      const allPages = await webflow.getAllPagesAndFolders()
+      const parentPage = allPages.find((p) => p.id === parentPageId)
+      if (parentPage) {
+        await webflow.switchPage(parentPage)
+        console.log('Switched back to main page.')
+      }
+    },
+  },
 }