Replace glob scan with fs-based traversal in dev routes API

src/app/api/dev/routes/route.ts

@@ -1,11 +1,36 @@
-import { glob } from 'glob'
+import { readdir } from 'fs/promises'
 import { NextResponse } from 'next/server'
 import path from 'path'
 import { requireDevToolsAccess } from '@/lib/dev-access'
 
 
 export const dynamic = 'force-dynamic' // Ensure this route is dynamic
 
+const PAGE_EXTENSIONS = new Set(['.tsx', '.js', '.jsx'])
+
+async function findPageFiles(rootDir: string, currentDir = rootDir): Promise<string[]> {
+    const entries = await readdir(currentDir, { withFileTypes: true })
+    const files = await Promise.all(entries.map(async entry => {
+        if (entry.name.startsWith('.') || entry.name.startsWith('_')) return []
+
+        const fullPath = path.join(currentDir, entry.name)
+        const relativePath = path.relative(rootDir, fullPath)
+
+        if (entry.isDirectory()) {
+            if (entry.name === 'api') return []
+            return findPageFiles(rootDir, fullPath)
+        }
+
+        if (!entry.isFile()) return []
+
+        const parsed = path.parse(entry.name)
+        const isPageFile = parsed.name === 'page' && PAGE_EXTENSIONS.has(parsed.ext)
+        return isPageFile ? [relativePath] : []
+    }))
+
+    return files.flat()
+}
+
 // Helper to format route label
 function formatRouteLabel(routePath: string) {
     if (routePath === '/') return 'Home'
@@ -28,17 +53,7 @@ export async function GET() {
         const cwd = process.cwd()
         const appDir = path.join(cwd, 'src/app')
 
-        // On Windows, glob returns forward slashes, but we should be careful with path joins
-        // We use fast-glob indirectly via glob, which supports forward slashes on Windows
-        const files = await glob('**/page.{tsx,js,jsx}', {
-            cwd: appDir,
-            ignore: [
-                '**/api/**', // skip API routes
-                '**/_*/**', // skip private folders
-                '**/.*/**', // skip dotfiles/folders
-            ],
-            nodir: true
-        })
+        const files = await findPageFiles(appDir)
 
         const routes = files.map(file => {
             // file is relative to appDir, e.g. "(marketing)/about/page.tsx"
@@ -47,7 +62,7 @@ export async function GET() {
             const dirPath = path.dirname(file)
 
             // Split by separator (handle both / and \ just in case, though glob usually returns /)
-            const segments = dirPath.split(/[/\\]/)
+            const segments = dirPath.split(path.sep)
 
             const cleanSegments = segments.filter(segment => {
                 // Remove route groups like (marketing)