fix(apk): streaming chunked delivery para APK en route handler

dripzone-app/src/app/api/download-apk/route.ts

@@ -7,26 +7,55 @@ export const dynamic = 'force-dynamic';
 export async function GET() {
   const possiblePaths = [
     path.join(process.cwd(), 'public', 'DripZone.apk'),
+    path.join(process.cwd(), '..', 'public', 'DripZone.apk'),
     '/app/public/DripZone.apk',
-    '/home/carlos/apps/dripzone-app/public/DripZone.apk',
+    path.resolve('public/DripZone.apk'),
     path.join(process.cwd(), 'DripZone.apk'),
   ];
 
-  const apkPath = possiblePaths.find((p) => fs.existsSync(p));
-  if (!apkPath) {
-    return new NextResponse('APK no disponible en este momento', { status: 404 });
+  let apkPath: string | undefined;
+  for (const p of possiblePaths) {
+    try {
+      if (fs.existsSync(p)) {
+        apkPath = p;
+        break;
+      }
+    } catch {}
   }
 
-  const stat = fs.statSync(apkPath);
-  const fileBuffer = fs.readFileSync(apkPath);
+  if (!apkPath) {
+    return new NextResponse(
+      JSON.stringify({ error: 'APK no disponible', searched: possiblePaths, cwd: process.cwd() }),
+      { status: 404, headers: { 'Content-Type': 'application/json' } }
+    );
+  }
 
-  return new NextResponse(fileBuffer, {
-    status: 200,
-    headers: {
-      'Content-Type': 'application/vnd.android.package-archive',
-      'Content-Length': stat.size.toString(),
-      'Content-Disposition': 'attachment; filename="DripZone.apk"',
-      'Cache-Control': 'public, max-age=3600, must-revalidate',
-    },
-  });
+  try {
+    const stat = fs.statSync(apkPath);
+    const nodeStream = fs.createReadStream(apkPath);
+
+    // Convert node stream to web ReadableStream for chunked delivery
+    const webStream = new ReadableStream({
+      start(controller) {
+        nodeStream.on('data', (chunk) => controller.enqueue(chunk));
+        nodeStream.on('end', () => controller.close());
+        nodeStream.on('error', (err) => controller.error(err));
+      },
+      cancel() {
+        nodeStream.destroy();
+      },
+    });
+
+    return new Response(webStream, {
+      status: 200,
+      headers: {
+        'Content-Type': 'application/vnd.android.package-archive',
+        'Content-Length': stat.size.toString(),
+        'Content-Disposition': 'attachment; filename="DripZone.apk"',
+        'Cache-Control': 'public, max-age=3600, must-revalidate',
+      },
+    });
+  } catch (err: any) {
+    return new NextResponse(`Error reading APK: ${err?.message || err}`, { status: 500 });
+  }
 }