update

.claude/settings.local.json

@@ -0,0 +1,7 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(go build *)"
+    ]
+  }
+}

LICENSE

@@ -0,0 +1,4 @@
+Copyright (c) 2026 HPL
+
+All rights reserved. This software is proprietary and confidential.
+Unauthorized copying, distribution, or use is prohibited.

build.ps1

@@ -25,8 +25,14 @@ if (-not $Extension -and -not $Standalone) {
 }
 
 $distDir = Join-Path $repoRoot "dist"
+if (Test-Path $distDir) {
+  Remove-Item -Path (Join-Path $distDir "*") -Recurse -Force
+}
 New-Item -ItemType Directory -Path $distDir -Force | Out-Null
 
+$pkg = Get-Content (Join-Path $repoRoot "package.json") -Raw | ConvertFrom-Json
+$version = $pkg.version
+
 function Write-Step($msg) {
   Write-Host ""
   Write-Host "==> $msg" -ForegroundColor Cyan
@@ -104,13 +110,14 @@ if ($Standalone) {
       }
     }
 
-    $exeOut = Join-Path $distDir "hpl-toolbox.exe"
+    $exeName = "hpl-toolbox-$version.exe"
-    go build -ldflags="-s -w -H windowsgui" -trimpath -o $exeOut .
+    $exeOut = Join-Path $distDir $exeName
+    go build -ldflags="-s -w -H windowsgui -X main.AppVersion=$version" -trimpath -o $exeOut .
     if ($LASTEXITCODE -ne 0) { Write-Error "go build failed"; exit 1 }
 
     $summary += [pscustomobject]@{
-      Artifact = "hpl-toolbox.exe"
+      Artifact = $exeName
-      Path     = "dist\hpl-toolbox.exe"
+      Path     = "dist\$exeName"
       Size     = Get-FileSize $exeOut
     }
   } finally {

package.json

@@ -2,8 +2,13 @@
   "name": "hpl-toolbox",
   "displayName": "HPL Toolbox",
   "description": "Bundled tools: PLEC Upload, AppLovin Demo Upload, Base64 Asset Scanner, Daily Update. Local HTML Host.",
-  "version": "0.1.2",
+  "version": "0.1.5",
   "publisher": "hesukastro",
+  "license": "UNLICENSED",
+  "repository": {
+    "type": "git",
+    "url": "https://gitea.hesukastro.com/hesukastro/vsix-hpl-toolbox.git"
+  },
   "engines": {
     "vscode": "^1.85.0"
   },
@@ -85,6 +90,17 @@
             "type": "string",
             "default": "",
             "description": "Value of the __Host-APPLOVINID cookie for p.applov.in (log in at https://p.applov.in/playablePreview?create=1&qr=1 and copy the cookie from DevTools)."
+          },
+          "hplToolbox.applovin.delayMs": {
+            "type": "number",
+            "default": 5000,
+            "minimum": 0,
+            "description": "Delay (in milliseconds) between consecutive file uploads, to avoid AppLovin rate limiting / 403 responses."
+          },
+          "hplToolbox.applovin.randomizeUserAgent": {
+            "type": "boolean",
+            "default": true,
+            "description": "Randomize the User-Agent header on every request to p.applov.in to reduce bot detection."
           }
         }
       },

src/extension.ts

@@ -13,7 +13,7 @@ export function activate(context: vscode.ExtensionContext) {
     vscode.commands.registerCommand('hplToolbox.openBase64Scanner', () => openBase64Scanner(context)),
     vscode.commands.registerCommand('hplToolbox.openDailyUpdate', () => openDailyUpdate(context)),
     vscode.commands.registerCommand('hplToolbox.openSendToMobile', () => openSendToMobile(context)),
-    vscode.window.registerWebviewViewProvider('hplToolbox.launcher', new LauncherViewProvider())
+    vscode.window.registerWebviewViewProvider('hplToolbox.launcher', new LauncherViewProvider(context))
   );
 }
 

src/launcherView.ts

@@ -1,9 +1,12 @@
 import * as vscode from 'vscode';
 
 export class LauncherViewProvider implements vscode.WebviewViewProvider {
+  constructor(private readonly context: vscode.ExtensionContext) {}
+
   resolveWebviewView(view: vscode.WebviewView) {
     view.webview.options = { enableScripts: true };
-    view.webview.html = getHtml();
+    const version = this.context.extension.packageJSON.version as string;
+    view.webview.html = getHtml(version);
     view.webview.onDidReceiveMessage((msg) => {
       if (msg?.type === 'open' && typeof msg.command === 'string') {
         vscode.commands.executeCommand(msg.command);
@@ -12,7 +15,7 @@ export class LauncherViewProvider implements vscode.WebviewViewProvider {
   }
 }
 
-function getHtml(): string {
+function getHtml(version: string): string {
   return `<!DOCTYPE html>
 <html>
 <head>
@@ -35,7 +38,7 @@ function getHtml(): string {
 </style>
 </head>
 <body>
-  <h3>HPL Toolbox</h3>
+  <h3>HPL Toolbox ${version}</h3>
   <button class="tool-btn" data-cmd="hplToolbox.openPlecUpload">
     PLEC Upload
     <span class="tool-desc">Upload HTML to internal PLEC server</span>

src/tools/applovinUpload.ts

@@ -20,6 +20,7 @@ export function openApplovinUpload(_context: vscode.ExtensionContext) {
           canSelectMany: true,
           filters: { HTML: ['html', 'htm'] },
           openLabel: 'Select',
+          defaultUri: getPickerDefaultUri(),
         });
         if (picked && picked.length) {
           panel.webview.postMessage({
@@ -34,15 +35,46 @@ export function openApplovinUpload(_context: vscode.ExtensionContext) {
         await handleUpload(panel, msg.paths);
         return;
       }
+
+      if (msg.type === 'saveQr') {
+        await handleSaveQr(panel, msg.url, msg.name);
+        return;
+      }
+
+      if (msg.type === 'saveAllQrs') {
+        await handleSaveAllQrs(panel, msg.items || []);
+        return;
+      }
     } catch (err: any) {
       panel.webview.postMessage({ type: 'error', message: err?.message || String(err) });
     }
   });
 }
 
+const USER_AGENTS = [
+  'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36',
+  'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36',
+  'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36 Edg/129.0.0.0',
+  'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36',
+  'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15',
+  'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0',
+  'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36',
+];
+
+function pickUserAgent(randomize: boolean): string {
+  if (!randomize) return USER_AGENTS[0];
+  return USER_AGENTS[Math.floor(Math.random() * USER_AGENTS.length)];
+}
+
+function sleep(ms: number): Promise<void> {
+  return new Promise(resolve => setTimeout(resolve, ms));
+}
+
 async function handleUpload(panel: vscode.WebviewPanel, filePaths: string[]) {
   const cfg = vscode.workspace.getConfiguration('hplToolbox.applovin');
   const cookie = (cfg.get<string>('cookie') || '').trim();
+  const delayMs = Math.max(0, cfg.get<number>('delayMs') ?? 1500);
+  const randomizeUA = cfg.get<boolean>('randomizeUserAgent') ?? true;
 
   const paths = Array.isArray(filePaths) ? filePaths : [filePaths];
   if (!paths.length) {
@@ -50,14 +82,17 @@ async function handleUpload(panel: vscode.WebviewPanel, filePaths: string[]) {
     return;
   }
 
+  const buildHeaders = (): Record<string, string> => {
     const headers: Record<string, string> = {
       'Accept': 'application/json, text/javascript, */*; q=0.01',
       'Origin': 'https://p.applov.in',
       'Referer': 'https://p.applov.in/playablePreview?create=1&qr=1',
       'X-Requested-With': 'XMLHttpRequest',
-    'User-Agent': 'Mozilla/5.0 (HPL-Toolbox-VSCode)',
+      'User-Agent': pickUserAgent(randomizeUA),
     };
     if (cookie) headers['Cookie'] = `__Host-APPLOVINID=${cookie}`;
+    return headers;
+  };
 
   const buildForm = (filePath: string): FormData => {
     const buf = fs.readFileSync(filePath);
@@ -80,12 +115,17 @@ async function handleUpload(panel: vscode.WebviewPanel, filePaths: string[]) {
     if (!filePath || !fs.existsSync(filePath)) { reportError('File missing'); continue; }
     if (!/\.html?$/i.test(filePath)) { reportError('Must be .html'); continue; }
 
+    if (i > 0 && delayMs > 0) {
+      panel.webview.postMessage({ type: 'status', message: `[${idx}/${paths.length}] Waiting ${delayMs}ms before ${fileName}...` });
+      await sleep(delayMs);
+    }
+
     panel.webview.postMessage({ type: 'status', message: `[${idx}/${paths.length}] Validating ${fileName}...` });
 
     let res: Response;
     try {
       res = await fetch('https://p.applov.in/validateHTMLContent', {
-        method: 'POST', body: buildForm(filePath), headers,
+        method: 'POST', body: buildForm(filePath), headers: buildHeaders(),
       });
     } catch (err: any) { reportError('Network error (validate): ' + (err?.message || err)); continue; }
     const validateText = await res.text();
@@ -100,7 +140,7 @@ async function handleUpload(panel: vscode.WebviewPanel, filePaths: string[]) {
 
     try {
       res = await fetch('https://p.applov.in/getCachedAdURL', {
-        method: 'POST', body: buildForm(filePath), headers,
+        method: 'POST', body: buildForm(filePath), headers: buildHeaders(),
       });
     } catch (err: any) { reportError('Network error (cache): ' + (err?.message || err)); continue; }
     const cacheText = await res.text();
@@ -124,6 +164,79 @@ async function handleUpload(panel: vscode.WebviewPanel, filePaths: string[]) {
   panel.webview.postMessage({ type: 'done' });
 }
 
+function getPickerDefaultUri(): vscode.Uri | undefined {
+  const folders = vscode.workspace.workspaceFolders;
+  if (!folders || folders.length === 0) return undefined;
+  const root = folders[0].uri.fsPath;
+  const dist = path.join(root, 'dist');
+  if (fs.existsSync(dist) && fs.statSync(dist).isDirectory()) {
+    return vscode.Uri.file(dist);
+  }
+  return vscode.Uri.file(root);
+}
+
+function qrBaseName(name: string): string {
+  return (name || 'qr').replace(/\.html?$/i, '').replace(/[\\/:*?"<>|]/g, '_') || 'qr';
+}
+
+async function downloadQr(url: string, destPath: string): Promise<void> {
+  const res = await fetch(url);
+  if (!res.ok) throw new Error(`HTTP ${res.status}`);
+  const buf = Buffer.from(await res.arrayBuffer());
+  await fs.promises.writeFile(destPath, buf);
+}
+
+async function handleSaveQr(panel: vscode.WebviewPanel, url: string, name: string) {
+  if (!url) return;
+  const base = qrBaseName(name);
+  const defaultUri = vscode.Uri.file(path.join(require('os').homedir(), 'Downloads', `${base}.png`));
+  const target = await vscode.window.showSaveDialog({
+    defaultUri,
+    filters: { 'PNG Image': ['png'] },
+    saveLabel: 'Save QR',
+  });
+  if (!target) return;
+  try {
+    await downloadQr(url, target.fsPath);
+    panel.webview.postMessage({ type: 'status', message: `Saved QR: ${target.fsPath}` });
+  } catch (err: any) {
+    panel.webview.postMessage({ type: 'error', message: 'Save QR failed: ' + (err?.message || err) });
+  }
+}
+
+async function handleSaveAllQrs(panel: vscode.WebviewPanel, items: Array<{ name: string; url: string }>) {
+  if (!items.length) return;
+  const picked = await vscode.window.showOpenDialog({
+    canSelectFiles: false,
+    canSelectFolders: true,
+    canSelectMany: false,
+    openLabel: 'Save QRs Here',
+  });
+  if (!picked || !picked.length) return;
+  const dir = picked[0].fsPath;
+  let saved = 0;
+  const errors: string[] = [];
+  for (const it of items) {
+    const base = qrBaseName(it.name);
+    let dest = path.join(dir, `${base}.png`);
+    let n = 1;
+    while (fs.existsSync(dest)) {
+      dest = path.join(dir, `${base} (${n++}).png`);
+    }
+    try {
+      await downloadQr(it.url, dest);
+      saved++;
+    } catch (err: any) {
+      errors.push(`${it.name}: ${err?.message || err}`);
+    }
+  }
+  if (errors.length) {
+    panel.webview.postMessage({ type: 'error', message: `Saved ${saved}/${items.length}. Errors:\n` + errors.join('\n') });
+  } else {
+    panel.webview.postMessage({ type: 'status', message: `Saved ${saved} QR${saved === 1 ? '' : 's'} to ${dir}` });
+  }
+}
+
 function getHtml(): string {
   return `<!DOCTYPE html>
 <html>
@@ -163,11 +276,15 @@ function getHtml(): string {
 <p style="opacity:0.8;font-size:12px;margin-top:0;">Upload HTML files to p.applov.in and get QR codes to scan with the AppLovin Playable Preview app (iOS/Android).</p>
 
 <div class="file-cell" style="margin-bottom:8px;">
-  <button id="pick" class="secondary">Choose files...</button>
+  <button id="pick" class="secondary">Add files...</button>
+  <button id="clear" class="secondary" style="display:none;">Clear</button>
   <span class="file-name" id="fileName">(no files)</span>
 </div>
+<div id="fileList" style="margin-bottom:8px;font-size:12px;opacity:0.85;"></div>
 <div class="actions">
   <button id="upload">Upload to AppLovin</button>
+  <button id="saveAll" class="secondary" style="display:none;">Save All QRs...</button>
+  <button id="regenAll" class="secondary" style="display:none;">Regenerate QRs</button>
 </div>
 <div id="status"></div>
 <div id="results"></div>
@@ -175,13 +292,51 @@ function getHtml(): string {
 <script>
   const vscode = acquireVsCodeApi();
   const pickBtn = document.getElementById('pick');
+  const clearBtn = document.getElementById('clear');
   const uploadBtn = document.getElementById('upload');
   const fileNameEl = document.getElementById('fileName');
+  const fileListEl = document.getElementById('fileList');
   const statusEl = document.getElementById('status');
   const resultsEl = document.getElementById('results');
+  const saveAllBtn = document.getElementById('saveAll');
+  const regenAllBtn = document.getElementById('regenAll');
   let selectedPaths = [];
+  let resultItems = [];
+
+  function basename(p) {
+    const i = Math.max(p.lastIndexOf('/'), p.lastIndexOf('\\\\'));
+    return i >= 0 ? p.slice(i + 1) : p;
+  }
+  function renderSelection() {
+    if (!selectedPaths.length) {
+      fileNameEl.textContent = '(no files)';
+      fileListEl.innerHTML = '';
+      clearBtn.style.display = 'none';
+      return;
+    }
+    fileNameEl.textContent = selectedPaths.length + ' file' + (selectedPaths.length === 1 ? '' : 's');
+    fileListEl.innerHTML = selectedPaths.map(p => '<div>' + escapeHtml(basename(p)) + '</div>').join('');
+    clearBtn.style.display = '';
+  }
+
+  saveAllBtn.addEventListener('click', () => {
+    if (!resultItems.length) return;
+    vscode.postMessage({ type: 'saveAllQrs', items: resultItems });
+  });
+
+  regenAllBtn.addEventListener('click', () => {
+    const imgs = resultsEl.querySelectorAll('img[data-qr]');
+    imgs.forEach(img => {
+      const base = img.getAttribute('data-qr');
+      img.src = base + '&_=' + Date.now();
+    });
+  });
 
   pickBtn.addEventListener('click', () => vscode.postMessage({ type: 'pickFiles' }));
+  clearBtn.addEventListener('click', () => {
+    selectedPaths = [];
+    renderSelection();
+  });
 
   uploadBtn.addEventListener('click', () => {
     statusEl.textContent = '';
@@ -191,6 +346,9 @@ function getHtml(): string {
       return;
     }
     uploadBtn.disabled = true;
+    resultItems = [];
+    saveAllBtn.style.display = 'none';
+    regenAllBtn.style.display = 'none';
     vscode.postMessage({ type: 'upload', paths: selectedPaths });
   });
 
@@ -201,13 +359,14 @@ function getHtml(): string {
   window.addEventListener('message', (e) => {
     const m = e.data;
     if (m.type === 'filesSelected') {
-      selectedPaths = m.files.map(f => f.path);
+      const added = m.files.map(f => f.path).filter(p => !selectedPaths.includes(p));
-      const names = m.files.map(f => f.name);
+      selectedPaths = selectedPaths.concat(added);
-      fileNameEl.textContent = names.length === 1
+      renderSelection();
-        ? names[0]
-        : names.length + ' files: ' + names.slice(0, 3).join(', ') + (names.length > 3 ? '...' : '');
     } else if (m.type === 'start') {
       resultsEl.innerHTML = '';
+      resultItems = [];
+      saveAllBtn.style.display = 'none';
+      regenAllBtn.style.display = 'none';
     } else if (m.type === 'status') {
       statusEl.textContent = m.message;
       statusEl.className = '';
@@ -230,27 +389,28 @@ function getHtml(): string {
       wrap.innerHTML =
         '<div style="font-weight:600;margin-bottom:8px;word-break:break-all;">' + escapeHtml(m.name) + '</div>' +
         '<div style="text-align:center;margin-bottom:8px;">' +
-          '<img src="' + m.qrImg + '" alt="QR" style="background:#fff;padding:8px;border-radius:4px;max-width:100%;" />' +
+          '<img src="' + m.qrImg + '" data-qr="' + m.qrImg + '" alt="QR" style="background:#fff;padding:8px;border-radius:4px;max-width:100%;" />' +
         '</div>' +
         '<div style="font-size:11px;opacity:0.8;word-break:break-all;">Hash: ' + escapeHtml(m.hash) + '</div>';
       const actions = document.createElement('div');
       actions.className = 'result-actions';
-      const copyHash = document.createElement('button');
-      copyHash.textContent = 'Copy Hash';
-      copyHash.onclick = () => vscode.postMessage({ type: 'copy', text: m.hash });
-      const copyPreview = document.createElement('button');
-      copyPreview.textContent = 'Copy URL';
-      copyPreview.className = 'secondary';
-      copyPreview.onclick = () => vscode.postMessage({ type: 'copy', text: m.previewUrl });
       const openPreview = document.createElement('button');
       openPreview.textContent = 'Open';
       openPreview.className = 'secondary';
       openPreview.onclick = () => vscode.postMessage({ type: 'open', text: m.previewUrl });
-      actions.appendChild(copyHash);
+      const saveQr = document.createElement('button');
-      actions.appendChild(copyPreview);
+      saveQr.textContent = 'Save QR';
+      saveQr.className = 'secondary';
+      saveQr.onclick = () => vscode.postMessage({ type: 'saveQr', url: m.qrImg, name: m.name });
       actions.appendChild(openPreview);
+      actions.appendChild(saveQr);
       wrap.appendChild(actions);
       resultsEl.appendChild(wrap);
+      resultItems.push({ name: m.name, url: m.qrImg });
+      if (resultItems.length >= 2) {
+        saveAllBtn.style.display = '';
+        regenAllBtn.style.display = '';
+      }
     } else if (m.type === 'done') {
       statusEl.innerHTML = '<span class="ok">Done.</span>';
       uploadBtn.disabled = false;

src/tools/plecUpload.ts

@@ -17,18 +17,16 @@ export function openPlecUpload(_context: vscode.ExtensionContext) {
 
       if (msg.type === 'pickFile') {
         const picked = await vscode.window.showOpenDialog({
-          canSelectMany: false,
+          canSelectMany: true,
           filters: { HTML: ['html', 'htm'] },
           openLabel: 'Select',
           defaultUri: getPickerDefaultUri(),
         });
-        if (picked && picked[0]) {
+        if (picked && picked.length) {
-          const fp = picked[0].fsPath;
           panel.webview.postMessage({
-            type: 'fileSelected',
+            type: 'filesSelected',
             rowId: msg.rowId,
-            path: fp,
+            files: picked.map(u => ({ path: u.fsPath, name: path.basename(u.fsPath) })),
-            name: path.basename(fp),
           });
         }
         return;
@@ -233,6 +231,15 @@ function getHtml(): string {
   const vscode = acquireVsCodeApi();
   let nextId = 1;
   const tbody = document.querySelector('#rows tbody');
+
+  function parseIterationName(filename) {
+    const base = filename.replace(/\\.html?$/i, '');
+    const tokens = base.split('_');
+    for (const t of tokens) {
+      if (/^(full|\\d+clk|\\d+s(?:ec)?)$/i.test(t)) return t.toLowerCase();
+    }
+    return base;
+  }
   const statusEl = document.getElementById('status');
   const resultsEl = document.getElementById('results');
 
@@ -286,13 +293,32 @@ function getHtml(): string {
 
   window.addEventListener('message', (e) => {
     const m = e.data;
-    if (m.type === 'fileSelected') {
+    if (m.type === 'filesSelected') {
-      const tr = tbody.querySelector('tr[data-id="' + m.rowId + '"]');
+      const firstTr = tbody.querySelector('tr[data-id="' + m.rowId + '"]');
+      const affected = [];
+      m.files.forEach(function(f, i) {
+        let tr;
+        if (i === 0) {
+          tr = firstTr;
+        } else {
+          addRow();
+          tr = tbody.lastElementChild;
+        }
         if (!tr) return;
-      tr.querySelector('[data-path]').value = m.path;
+        tr.querySelector('[data-path]').value = f.path;
-      tr.querySelector('[data-name]').textContent = m.name;
+        tr.querySelector('[data-name]').textContent = f.name;
         const iter = tr.querySelector('[data-iter]');
-      if (!iter.value) iter.value = m.name.replace(/\\.html?$/i, '');
+        if (!iter.value) iter.value = parseIterationName(f.name);
+        affected.push(tr);
+      });
+      if (affected.length > 1) {
+        const iters = affected.map(r => r.querySelector('[data-iter]').value);
+        if (iters[0] !== '' && iters.every(n => n === iters[0])) {
+          affected.forEach((r, i) => {
+            r.querySelector('[data-iter]').value = String(i + 1).padStart(2, '0') + '_' + iters[0];
+          });
+        }
+      }
     } else if (m.type === 'status') {
       statusEl.textContent = m.message;
       statusEl.className = '';

standalone/applovin.go

@@ -5,25 +5,49 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
+	"math/rand"
 	"mime/multipart"
 	"net/http"
 	urlpkg "net/url"
 	"os"
 	"path/filepath"
 	"regexp"
+	"strings"
+	"time"
 )
 
+var applovinUserAgents = []string{
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36 Edg/129.0.0.0",
+	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36",
+	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0",
+	"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36",
+}
+
+func pickApplovinUserAgent(randomize bool) string {
+	if !randomize {
+		return applovinUserAgents[0]
+	}
+	return applovinUserAgents[rand.Intn(len(applovinUserAgents))]
+}
+
 func ApplovinPage(w http.ResponseWriter, r *http.Request) {
 	body := `
 <h2>AppLovin Playable Preview (QR)</h2>
 <p class="hint" style="margin-top:0;">Upload HTML files to p.applov.in and get QR codes to scan with the AppLovin Playable Preview app.</p>
 
 <div style="display:flex;align-items:center;gap:8px;margin-bottom:8px;">
-  <button id="pick" class="secondary">Choose files...</button>
+  <button id="pick" class="secondary">Add files...</button>
+  <button id="clear" class="secondary" style="display:none;">Clear</button>
   <span id="fileName" class="hint">(no files)</span>
 </div>
+<div id="fileList" style="margin-bottom:8px;font-size:12px;opacity:0.85;"></div>
 <div style="display:flex;gap:8px;">
   <button id="upload">Upload to AppLovin</button>
+  <button id="saveAll" class="secondary" style="display:none;">Save All QRs...</button>
+  <button id="regenAll" class="secondary" style="display:none;">Regenerate QRs</button>
 </div>
 
 <div id="status" style="margin-top:12px;min-height:20px;"></div>
@@ -36,21 +60,70 @@ func ApplovinPage(w http.ResponseWriter, r *http.Request) {
 
 <script>
 const pickBtn = document.getElementById('pick');
+const clearBtn = document.getElementById('clear');
 const uploadBtn = document.getElementById('upload');
 const fileNameEl = document.getElementById('fileName');
+const fileListEl = document.getElementById('fileList');
 const statusEl = document.getElementById('status');
 const resultsEl = document.getElementById('results');
+const saveAllBtn = document.getElementById('saveAll');
+const regenAllBtn = document.getElementById('regenAll');
 let selectedPaths = [];
+let resultItems = [];
+
+function basename(p) {
+  const i = Math.max(p.lastIndexOf('/'), p.lastIndexOf('\\'));
+  return i >= 0 ? p.slice(i + 1) : p;
+}
+function renderSelection() {
+  if (!selectedPaths.length) {
+    fileNameEl.textContent = '(no files)';
+    fileListEl.innerHTML = '';
+    clearBtn.style.display = 'none';
+    return;
+  }
+  fileNameEl.textContent = selectedPaths.length + ' file' + (selectedPaths.length === 1 ? '' : 's');
+  fileListEl.innerHTML = selectedPaths.map(p => '<div>' + escapeHtml(basename(p)) + '</div>').join('');
+  clearBtn.style.display = '';
+}
+
+saveAllBtn.addEventListener('click', async () => {
+  if (!resultItems.length) return;
+  saveAllBtn.disabled = true;
+  try {
+    const r = await fetch('/api/applovin/saveAllQrs', {
+      method: 'POST',
+      headers: {'Content-Type':'application/json'},
+      body: JSON.stringify({ items: resultItems }),
+    });
+    const j = await r.json();
+    statusEl.innerHTML = j.ok
+      ? '<span class="ok">' + escapeHtml(j.message || 'Saved.') + '</span>'
+      : '<span class="err">' + escapeHtml(j.message || 'Save failed.') + '</span>';
+  } finally {
+    saveAllBtn.disabled = false;
+  }
+});
+
+regenAllBtn.addEventListener('click', () => {
+  resultsEl.querySelectorAll('img[data-qr]').forEach(img => {
+    const base = img.getAttribute('data-qr');
+    img.src = base + '&_=' + Date.now();
+  });
+});
+
+clearBtn.addEventListener('click', () => {
+  selectedPaths = [];
+  renderSelection();
+});
 
 pickBtn.addEventListener('click', async () => {
   const r = await fetch('/api/applovin/pick', { method: 'POST' });
   const j = await r.json();
   if (j.files && j.files.length) {
-    selectedPaths = j.files.map(f => f.path);
+    const added = j.files.map(f => f.path).filter(p => !selectedPaths.includes(p));
-    const names = j.files.map(f => f.name);
+    selectedPaths = selectedPaths.concat(added);
-    fileNameEl.textContent = names.length === 1
+    renderSelection();
-      ? names[0]
-      : names.length + ' files: ' + names.slice(0,3).join(', ') + (names.length > 3 ? '...' : '');
   }
 });
 
@@ -62,6 +135,9 @@ uploadBtn.addEventListener('click', async () => {
     return;
   }
   uploadBtn.disabled = true;
+  resultItems = [];
+  saveAllBtn.style.display = 'none';
+  regenAllBtn.style.display = 'none';
   try {
     const res = await fetch('/api/applovin/upload', {
       method: 'POST',
@@ -113,25 +189,42 @@ function handle(m) {
     wrap.innerHTML =
       '<div style="font-weight:600;margin-bottom:8px;">' + escapeHtml(m.name) + '</div>' +
       '<div style="text-align:center;margin-bottom:8px;">' +
-        '<img src="' + m.qrImg + '" style="background:#fff;padding:8px;border-radius:4px;max-width:100%;" />' +
+        '<img src="' + m.qrImg + '" data-qr="' + m.qrImg + '" style="background:#fff;padding:8px;border-radius:4px;max-width:100%;" />' +
       '</div>' +
       '<div style="font-size:11px;opacity:0.8;">Hash: ' + escapeHtml(m.hash) + '</div>';
     const actions = document.createElement('div');
     actions.className = 'result-actions';
-    const copyHash = document.createElement('button');
-    copyHash.textContent = 'Copy Hash';
-    copyHash.onclick = () => fetch('/api/clipboard', {method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({text:m.hash})});
-    const copyUrl = document.createElement('button');
-    copyUrl.textContent = 'Copy URL';
-    copyUrl.className = 'secondary';
-    copyUrl.onclick = () => fetch('/api/clipboard', {method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({text:m.previewUrl})});
     const openBtn = document.createElement('button');
     openBtn.textContent = 'Open';
     openBtn.className = 'secondary';
     openBtn.onclick = () => fetch('/api/open', {method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({url:m.previewUrl})});
-    actions.appendChild(copyHash); actions.appendChild(copyUrl); actions.appendChild(openBtn);
+    const saveQr = document.createElement('button');
+    saveQr.textContent = 'Save QR';
+    saveQr.className = 'secondary';
+    saveQr.onclick = async () => {
+      saveQr.disabled = true;
+      try {
+        const r = await fetch('/api/applovin/saveQr', {
+          method: 'POST',
+          headers: {'Content-Type':'application/json'},
+          body: JSON.stringify({ name: m.name, url: m.qrImg }),
+        });
+        const j = await r.json();
+        statusEl.innerHTML = j.ok
+          ? '<span class="ok">' + escapeHtml(j.message || 'Saved.') + '</span>'
+          : '<span class="err">' + escapeHtml(j.message || 'Save failed.') + '</span>';
+      } finally {
+        saveQr.disabled = false;
+      }
+    };
+    actions.appendChild(openBtn); actions.appendChild(saveQr);
     wrap.appendChild(actions);
     resultsEl.appendChild(wrap);
+    resultItems.push({ name: m.name, url: m.qrImg });
+    if (resultItems.length >= 2) {
+      saveAllBtn.style.display = '';
+      regenAllBtn.style.display = '';
+    }
   } else if (m.type === 'done') {
     statusEl.innerHTML = '<span class="ok">Done.</span>';
   }
@@ -143,11 +236,16 @@ function handle(m) {
 }
 
 func ApplovinPick(w http.ResponseWriter, r *http.Request) {
+	cfg := LoadConfig()
 	picked := PickFiles(
 		"Select HTML files",
 		[]FileFilter{{Name: "HTML", Extensions: []string{"html", "htm"}}},
-		true, "",
+		true, cfg.LastPickDir,
 	)
+	if len(picked) > 0 {
+		cfg.LastPickDir = filepath.Dir(picked[0])
+		_ = SaveConfig(cfg)
+	}
 	files := make([]map[string]string, 0, len(picked))
 	for _, p := range picked {
 		files = append(files, map[string]string{"path": p, "name": filepath.Base(p)})
@@ -163,7 +261,16 @@ func ApplovinUpload(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, err.Error(), http.StatusBadRequest)
 		return
 	}
-	cookie := LoadConfig().Applovin.Cookie
+	cfg := LoadConfig().Applovin
+	cookie := cfg.Cookie
+	delayMs := cfg.DelayMs
+	if delayMs < 0 {
+		delayMs = 0
+	}
+	randomizeUA := true
+	if cfg.RandomizeUserAgent != nil {
+		randomizeUA = *cfg.RandomizeUserAgent
+	}
 
 	w.Header().Set("Content-Type", "application/x-ndjson")
 	flusher, _ := w.(http.Flusher)
@@ -208,7 +315,7 @@ func ApplovinUpload(w http.ResponseWriter, r *http.Request) {
 		req.Header.Set("Origin", "https://p.applov.in")
 		req.Header.Set("Referer", "https://p.applov.in/playablePreview?create=1&qr=1")
 		req.Header.Set("X-Requested-With", "XMLHttpRequest")
-		req.Header.Set("User-Agent", "Mozilla/5.0 (HPL-Toolbox-Standalone)")
+		req.Header.Set("User-Agent", pickApplovinUserAgent(randomizeUA))
 		if cookie != "" {
 			req.Header.Set("Cookie", "__Host-APPLOVINID="+cookie)
 		}
@@ -237,6 +344,11 @@ func ApplovinUpload(w http.ResponseWriter, r *http.Request) {
 			continue
 		}
 
+		if i > 0 && delayMs > 0 {
+			send(map[string]any{"type": "status", "message": fmt.Sprintf("[%d/%d] Waiting %dms before %s...", idx, len(req.Paths), delayMs, fileName)})
+			time.Sleep(time.Duration(delayMs) * time.Millisecond)
+		}
+
 		send(map[string]any{"type": "status", "message": fmt.Sprintf("[%d/%d] Validating %s...", idx, len(req.Paths), fileName)})
 
 		body, ct, err := buildForm(filePath)
@@ -300,3 +412,114 @@ func ApplovinUpload(w http.ResponseWriter, r *http.Request) {
 	}
 	send(map[string]any{"type": "done"})
 }
+
+func qrBaseName(name string) string {
+	base := name
+	if base == "" {
+		base = "qr"
+	}
+	base = regexp.MustCompile(`(?i)\.html?$`).ReplaceAllString(base, "")
+	base = regexp.MustCompile(`[\\/:*?"<>|]`).ReplaceAllString(base, "_")
+	if base == "" {
+		base = "qr"
+	}
+	return base
+}
+
+func downloadQR(url, destPath string) error {
+	resp, err := http.Get(url)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return fmt.Errorf("HTTP %d", resp.StatusCode)
+	}
+	data, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(destPath, data, 0644)
+}
+
+func ApplovinSaveQR(w http.ResponseWriter, r *http.Request) {
+	var req struct {
+		Name string `json:"name"`
+		URL  string `json:"url"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeJSON(w, map[string]any{"ok": false, "message": err.Error()})
+		return
+	}
+	if req.URL == "" {
+		writeJSON(w, map[string]any{"ok": false, "message": "Missing URL"})
+		return
+	}
+	base := qrBaseName(req.Name)
+	dest := PickSaveFile("Save QR", base+".png", []FileFilter{{Name: "PNG Image", Extensions: []string{"png"}}}, "")
+	if dest == "" {
+		writeJSON(w, map[string]any{"ok": false, "message": "Cancelled"})
+		return
+	}
+	if err := downloadQR(req.URL, dest); err != nil {
+		writeJSON(w, map[string]any{"ok": false, "message": "Save failed: " + err.Error()})
+		return
+	}
+	writeJSON(w, map[string]any{"ok": true, "message": "Saved QR: " + dest})
+}
+
+func ApplovinSaveAllQRs(w http.ResponseWriter, r *http.Request) {
+	var req struct {
+		Items []struct {
+			Name string `json:"name"`
+			URL  string `json:"url"`
+		} `json:"items"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeJSON(w, map[string]any{"ok": false, "message": err.Error()})
+		return
+	}
+	if len(req.Items) == 0 {
+		writeJSON(w, map[string]any{"ok": false, "message": "No items"})
+		return
+	}
+	dir := PickFolder("Choose folder to save QRs", "")
+	if dir == "" {
+		writeJSON(w, map[string]any{"ok": false, "message": "Cancelled"})
+		return
+	}
+	saved := 0
+	errs := []string{}
+	for _, it := range req.Items {
+		base := qrBaseName(it.Name)
+		dest := filepath.Join(dir, base+".png")
+		n := 1
+		for fileExists(dest) {
+			dest = filepath.Join(dir, fmt.Sprintf("%s (%d).png", base, n))
+			n++
+		}
+		if err := downloadQR(it.URL, dest); err != nil {
+			errs = append(errs, it.Name+": "+err.Error())
+			continue
+		}
+		saved++
+	}
+	if len(errs) > 0 {
+		writeJSON(w, map[string]any{
+			"ok":      false,
+			"message": fmt.Sprintf("Saved %d/%d. Errors: %s", saved, len(req.Items), strings.Join(errs, "; ")),
+		})
+		return
+	}
+	writeJSON(w, map[string]any{
+		"ok":      true,
+		"message": fmt.Sprintf("Saved %d QR%s to %s", saved, plural(saved), dir),
+	})
+}
+
+func plural(n int) string {
+	if n == 1 {
+		return ""
+	}
+	return "s"
+}

standalone/layout.go

@@ -17,6 +17,7 @@ const SharedCSS = `
   .topbar a { color: #9cdcfe; text-decoration: none; padding: 4px 10px; border-radius: 3px; }
   .topbar a:hover { background: #2a2d2e; }
   .topbar a.active { background: #094771; color: #fff; }
+  .topbar-version { margin-left: auto; font-size: 11px; opacity: 0.45; letter-spacing: 0.4px; }
   .content { padding: 16px; max-width: 980px; margin: 0 auto; }
   h2 { margin-top: 0; font-weight: 500; }
   input[type=text], input[type=date], select, textarea {
@@ -67,7 +68,7 @@ func Page(activePath, title, body string) string {
 <title>` + title + ` — HPL Toolbox</title>
 <style>` + SharedCSS + `</style>
 </head><body>
-<div class="topbar">` + tabs.String() + `</div>
+<div class="topbar">` + tabs.String() + `<span class="topbar-version">v` + AppVersion + `</span></div>
 <div class="content">` + body + `</div>
 </body></html>`
 }

standalone/main.go

@@ -16,10 +16,12 @@ import (
 	webview "github.com/jchv/go-webview2"
 )
 
+var AppVersion = "dev"
+
 var currentHwnd atomic.Uintptr
 
 func setupFileLogging() {
-	logPath := filepath.Join(appDir(), "debug.log")
+	logPath := filepath.Join(userDataDir(), "debug.log")
 	f, err := os.OpenFile(logPath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)
 	if err != nil {
 		return
@@ -57,11 +59,18 @@ func main() {
 	}
 	defer removeLockFile()
 
+	webviewTmp, err := os.MkdirTemp("", "hpltoolbox-wv2-*")
+	if err != nil {
+		log.Fatalf("Failed to create webview temp dir: %v", err)
+	}
+	defer os.RemoveAll(webviewTmp)
+
 	w := webview.NewWithOptions(webview.WebViewOptions{
 		Debug:     false,
 		AutoFocus: true,
+		DataPath:  webviewTmp,
 		WindowOptions: webview.WindowOptions{
-			Title:  "HPL Toolbox",
+			Title:  "HPL Toolbox " + AppVersion,
 			Width:  1100,
 			Height: 720,
 			IconId: 1,
@@ -120,6 +129,8 @@ func buildMux() *http.ServeMux {
 	// AppLovin
 	mux.HandleFunc("POST /api/applovin/pick", ApplovinPick)
 	mux.HandleFunc("POST /api/applovin/upload", ApplovinUpload)
+	mux.HandleFunc("POST /api/applovin/saveQr", ApplovinSaveQR)
+	mux.HandleFunc("POST /api/applovin/saveAllQrs", ApplovinSaveAllQRs)
 
 	// Base64
 	mux.HandleFunc("POST /api/base64/pickFolder", Base64PickFolder)

standalone/platform.go

@@ -19,6 +19,8 @@ type PlecConfig struct {
 
 type ApplovinConfig struct {
 	Cookie             string `json:"cookie"`
+	DelayMs            int    `json:"delayMs"`
+	RandomizeUserAgent *bool  `json:"randomizeUserAgent,omitempty"`
 }
 
 type SendToMobileConfig struct {
@@ -34,10 +36,28 @@ type AppConfig struct {
 	Applovin     ApplovinConfig     `json:"applovin"`
 	SendToMobile SendToMobileConfig `json:"sendToMobile"`
 	DailyUpdate  DailyUpdateConfig  `json:"dailyUpdate"`
+	LastPickDir  string             `json:"lastPickDir,omitempty"`
 }
 
 var configMu sync.Mutex
 
+// userDataDir returns %LOCALAPPDATA%\HPLToolbox, creating it if needed.
+// All mutable app files (config, lock, logs, WebView2 cache) live here so
+// they are never placed next to the executable, which may be on a synced or
+// antivirus-watched drive and would cause message-loop stalls.
+func userDataDir() string {
+	local := os.Getenv("LOCALAPPDATA")
+	if local == "" {
+		local = os.Getenv("APPDATA")
+	}
+	if local == "" {
+		return appDir()
+	}
+	dir := filepath.Join(local, "HPLToolbox")
+	_ = os.MkdirAll(dir, 0755)
+	return dir
+}
+
 func defaultConfig() AppConfig {
 	return AppConfig{
 		Plec: PlecConfig{
@@ -46,7 +66,7 @@ func defaultConfig() AppConfig {
 			PreviewBase:     "https://playable.applovindemo.com/phaser/",
 			SkipExistsCheck: false,
 		},
-		Applovin:     ApplovinConfig{Cookie: ""},
+		Applovin:     ApplovinConfig{Cookie: "", DelayMs: 5000},
 		SendToMobile: SendToMobileConfig{Port: 0},
 		DailyUpdate:  DailyUpdateConfig{LastProject: ""},
 	}
@@ -72,7 +92,7 @@ func appDir() string {
 }
 
 func configPath() string {
-	return filepath.Join(appDir(), "config.json")
+	return filepath.Join(userDataDir(), "config.json")
 }
 
 func LoadConfig() AppConfig {
@@ -159,6 +179,37 @@ if ($dlg.ShowDialog() -eq [System.Windows.Forms.DialogResult]::OK) {
 	return result
 }
 
+func PickSaveFile(title, defaultName string, filters []FileFilter, initialDir string) string {
+	filterStr := "All files|*.*"
+	if len(filters) > 0 {
+		parts := make([]string, 0, len(filters))
+		for _, f := range filters {
+			exts := make([]string, 0, len(f.Extensions))
+			for _, e := range f.Extensions {
+				exts = append(exts, "*."+e)
+			}
+			parts = append(parts, fmt.Sprintf("%s|%s", f.Name, strings.Join(exts, ";")))
+		}
+		filterStr = strings.Join(parts, "|")
+	}
+	script := fmt.Sprintf(`
+Add-Type -AssemblyName System.Windows.Forms
+$dlg = New-Object System.Windows.Forms.SaveFileDialog
+$dlg.Title = '%s'
+$dlg.Filter = '%s'
+$dlg.FileName = '%s'
+if ('%s'.Length -gt 0) { $dlg.InitialDirectory = '%s' }
+if ($dlg.ShowDialog() -eq [System.Windows.Forms.DialogResult]::OK) {
+  Write-Output $dlg.FileName
+}
+`, psEscape(title), psEscape(filterStr), psEscape(defaultName), psEscape(initialDir), psEscape(initialDir))
+	out, err := exec.Command("powershell", "-NoProfile", "-NonInteractive", "-STA", "-Command", script).Output()
+	if err != nil {
+		return ""
+	}
+	return strings.TrimSpace(string(out))
+}
+
 func PickFolder(title, initialDir string) string {
 	script := fmt.Sprintf(`
 Add-Type -AssemblyName System.Windows.Forms

standalone/plec.go

@@ -54,6 +54,15 @@ const tbody = document.querySelector('#rows tbody');
 const statusEl = document.getElementById('status');
 const resultsEl = document.getElementById('results');
 
+function parseIterationName(filename) {
+  const base = filename.replace(/\.html?$/i, '');
+  const tokens = base.split('_');
+  for (const t of tokens) {
+    if (/^(full|\d+clk|\d+s(?:ec)?)$/i.test(t)) return t.toLowerCase();
+  }
+  return base;
+}
+
 function addRow() {
   const id = 'r' + (nextId++);
   const tr = document.createElement('tr');
@@ -73,11 +82,24 @@ function addRow() {
   tr.querySelector('.pick').addEventListener('click', async () => {
     const res = await fetch('/api/plec/pick', { method: 'POST' });
     const j = await res.json();
-    if (j.path) {
+    if (j.files && j.files.length) {
-      tr.querySelector('[data-path]').value = j.path;
+      const affected = [];
-      tr.querySelector('[data-name]').textContent = j.name;
+      j.files.forEach(function(f, i) {
-      const iter = tr.querySelector('[data-iter]');
+        const target = i === 0 ? tr : (addRow(), tbody.lastElementChild);
-      if (!iter.value) iter.value = j.name.replace(/\.html?$/i, '');
+        target.querySelector('[data-path]').value = f.path;
+        target.querySelector('[data-name]').textContent = f.name;
+        const iter = target.querySelector('[data-iter]');
+        if (!iter.value) iter.value = parseIterationName(f.name);
+        affected.push(target);
+      });
+      if (affected.length > 1) {
+        const iters = affected.map(r => r.querySelector('[data-iter]').value);
+        if (iters[0] !== '' && iters.every(n => n === iters[0])) {
+          affected.forEach((r, i) => {
+            r.querySelector('[data-iter]').value = String(i + 1).padStart(2, '0') + '_' + iters[0];
+          });
+        }
+      }
     }
   });
   tr.querySelector('.remove-btn').addEventListener('click', () => {
@@ -163,16 +185,23 @@ addRow();
 }
 
 func PlecPick(w http.ResponseWriter, r *http.Request) {
+	cfg := LoadConfig()
 	picked := PickFiles(
 		"Select HTML",
 		[]FileFilter{{Name: "HTML", Extensions: []string{"html", "htm"}}},
-		false, "",
+		true, cfg.LastPickDir,
 	)
 	if len(picked) == 0 {
-		writeJSON(w, map[string]any{"path": nil})
+		writeJSON(w, map[string]any{"files": []any{}})
 		return
 	}
-	writeJSON(w, map[string]any{"path": picked[0], "name": filepath.Base(picked[0])})
+	cfg.LastPickDir = filepath.Dir(picked[0])
+	_ = SaveConfig(cfg)
+	files := make([]map[string]string, 0, len(picked))
+	for _, p := range picked {
+		files = append(files, map[string]string{"path": p, "name": filepath.Base(p)})
+	}
+	writeJSON(w, map[string]any{"files": files})
 }
 
 type plecRow struct {

standalone/single_instance.go

@@ -12,7 +12,7 @@ import (
 )
 
 func lockFilePath() string {
-	return filepath.Join(appDir(), ".hpltoolbox.lock")
+	return filepath.Join(userDataDir(), ".hpltoolbox.lock")
 }
 
 // focusExistingInstance returns true if another instance was found and