chore: solidify guide P1 snapshot

scripts/copy-h5-nav-assets.cjs

@@ -0,0 +1,44 @@
+const fs = require('node:fs')
+const path = require('node:path')
+
+const projectRoot = path.resolve(__dirname, '..')
+const sourceDir = path.join(projectRoot, 'static', 'nav-assets')
+const h5Root = path.join(projectRoot, 'dist', 'build', 'h5')
+const targetDir = path.join(h5Root, 'static', 'nav-assets')
+const faviconSource = path.join(projectRoot, 'public', 'favicon.svg')
+const faviconTarget = path.join(h5Root, 'favicon.svg')
+
+if (!fs.existsSync(h5Root)) {
+  throw new Error(`H5 build output not found: ${h5Root}`)
+}
+
+if (!fs.existsSync(sourceDir)) {
+  throw new Error(`Navigation assets not found: ${sourceDir}`)
+}
+
+const copyDirectory = (source, target) => {
+  fs.mkdirSync(target, { recursive: true })
+
+  for (const entry of fs.readdirSync(source, { withFileTypes: true })) {
+    const sourcePath = path.join(source, entry.name)
+    const targetPath = path.join(target, entry.name)
+
+    if (entry.isDirectory()) {
+      copyDirectory(sourcePath, targetPath)
+      continue
+    }
+
+    if (entry.isFile()) {
+      fs.copyFileSync(sourcePath, targetPath)
+    }
+  }
+}
+
+fs.rmSync(targetDir, { recursive: true, force: true })
+copyDirectory(sourceDir, targetDir)
+
+if (fs.existsSync(faviconSource)) {
+  fs.copyFileSync(faviconSource, faviconTarget)
+}
+
+console.log(`Copied navigation assets to ${path.relative(projectRoot, targetDir)}`)