Initial commit: MangaReader iOS App

✨ Features:
- App iOS completa para leer manga sin publicidad
- Scraper con WKWebView para manhwaweb.com
- Sistema de descargas offline
- Lector con zoom y navegación
- Favoritos y progreso de lectura
- Compatible con iOS 15+ y Sideloadly/3uTools

📦 Contenido:
- Backend Node.js con Puppeteer (opcional)
- App iOS con SwiftUI
- Scraper de capítulos e imágenes
- Sistema de almacenamiento local
- Testing completo
- Documentación exhaustiva

🧪 Prueba: Capítulo 789 de One Piece descargado exitosamente
  - 21 páginas descargadas
  - 4.68 MB total
  - URLs verificadas y funcionales

🎉 Generated with Claude Code (https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

backend/node_modules/pend/test.js

@@ -0,0 +1,137 @@
+var assert = require('assert');
+var Pend = require('./');
+
+var tests = [
+  {
+    name: "basic",
+    fn: testBasic,
+  },
+  {
+    name: "max",
+    fn: testWithMax,
+  },
+  {
+    name: "callback twice",
+    fn: testCallbackTwice,
+  },
+  {
+    name: "calling wait twice",
+    fn: testCallingWaitTwice,
+  },
+  {
+    name: "hold()",
+    fn: testHoldFn,
+  },
+];
+var testCount = tests.length;
+
+doOneTest();
+
+function doOneTest() {
+  var test = tests.shift();
+  if (!test) {
+    console.log(testCount + " tests passed.");
+    return;
+  }
+  process.stdout.write(test.name + "...");
+  test.fn(function() {
+    process.stdout.write("OK\n");
+    doOneTest();
+  });
+}
+
+function testBasic(cb) {
+  var pend = new Pend();
+  var results = [];
+  pend.go(function(cb) {
+    results.push(1);
+    setTimeout(function() {
+      results.push(3);
+      cb();
+    }, 500);
+  });
+  pend.go(function(cb) {
+    results.push(2);
+    setTimeout(function() {
+      results.push(4);
+      cb();
+    }, 1000);
+  });
+  pend.wait(function(err) {
+    assert.deepEqual(results, [1,2,3,4]);
+    cb();
+  });
+  assert.deepEqual(results, [1, 2]);
+}
+
+function testWithMax(cb) {
+  var pend = new Pend();
+  var results = [];
+  pend.max = 2;
+  pend.go(function(cb) {
+    results.push('a');
+    setTimeout(function() {
+      results.push(1);
+      cb();
+    }, 500);
+  });
+  pend.go(function(cb) {
+    results.push('b');
+    setTimeout(function() {
+      results.push(1);
+      cb();
+    }, 500);
+  });
+  pend.go(function(cb) {
+    results.push('c');
+    setTimeout(function() {
+      results.push(2);
+      cb();
+    }, 100);
+  });
+  pend.wait(function(err) {
+    assert.deepEqual(results, ['a', 'b', 1, 'c', 1, 2]);
+    cb();
+  });
+  assert.deepEqual(results, ['a', 'b']);
+}
+
+function testCallbackTwice(cb) {
+  var pend = new Pend();
+  pend.go(function(cb) {
+    setTimeout(cb, 100);
+  });
+  pend.go(function(cb) {
+    cb();
+    assert.throws(cb, /callback called twice/);
+  });
+  pend.wait(cb);
+}
+
+function testCallingWaitTwice(cb) {
+  var pend = new Pend();
+  pend.go(function(cb) {
+    setTimeout(cb, 100);
+  });
+  pend.wait(function() {
+    pend.go(function(cb) {
+      setTimeout(cb, 50);
+    });
+    pend.go(function(cb) {
+      setTimeout(cb, 10);
+    });
+    pend.go(function(cb) {
+      setTimeout(cb, 20);
+    });
+    pend.wait(cb);
+  });
+}
+
+function testHoldFn(cb) {
+  var pend = new Pend();
+  setTimeout(pend.hold(), 100);
+  pend.go(function(cb) {
+    cb();
+  });
+  pend.wait(cb);
+}