diff --git a/tools/packaging/verify-electron-package-layout.mjs b/tools/packaging/verify-electron-package-layout.mjs
new file mode 100644
index 000000000..8526578d3
--- /dev/null
+++ b/tools/packaging/verify-electron-package-layout.mjs
@@ -0,0 +1,169 @@
+import fs from 'fs';
+import path from 'path';
+
+const args = process.argv.slice(2);
+const normalizedArgs = args[0] === '--' ? args.slice(1) : args;
+const [platform, arch = ''] = normalizedArgs;
+
+if (!platform) {
+    console.error(
+        'Usage: node tools/packaging/verify-electron-package-layout.mjs <macos|linux|windows> [arch]'
+    );
+    process.exit(1);
+}
+
+const workspaceRoot = process.cwd();
+const executablesRoot = path.join(workspaceRoot, 'dist', 'executables');
+const workerRelativeDir = path.join(
+    'dist',
+    'apps',
+    'electron-backend',
+    'workers'
+);
+const workerFiles = ['epg-parser.worker.js', 'database.worker.js'];
+const nativeModuleRelativeDirs = [
+    path.join('app.asar.unpacked', 'node_modules'),
+    path.join('app.asar.unpacked', 'electron-backend', 'node_modules'),
+    path.join(
+        'app.asar.unpacked',
+        'dist',
+        'apps',
+        'electron-backend',
+        'node_modules'
+    ),
+];
+
+function directoryExists(directoryPath) {
+    return fs.existsSync(directoryPath) && fs.statSync(directoryPath).isDirectory();
+}
+
+function fileExists(filePath) {
+    return fs.existsSync(filePath) && fs.statSync(filePath).isFile();
+}
+
+function getMacResourceDirs() {
+    const candidates = [
+        {
+            arch: 'x64',
+            directory: path.join(
+                executablesRoot,
+                'mac',
+                'IPTVnator.app',
+                'Contents',
+                'Resources'
+            ),
+        },
+        {
+            arch: 'arm64',
+            directory: path.join(
+                executablesRoot,
+                'mac-arm64',
+                'IPTVnator.app',
+                'Contents',
+                'Resources'
+            ),
+        },
+    ];
+
+    return candidates
+        .filter((candidate) => !arch || candidate.arch === arch)
+        .map((candidate) => candidate.directory)
+        .filter(directoryExists);
+}
+
+function getUnpackedResourceDirs(prefix) {
+    if (!directoryExists(executablesRoot)) {
+        return [];
+    }
+
+    return fs
+        .readdirSync(executablesRoot, { withFileTypes: true })
+        .filter(
+            (entry) =>
+                entry.isDirectory() &&
+                entry.name.startsWith(prefix) &&
+                entry.name.endsWith('-unpacked')
+        )
+        .map((entry) => path.join(executablesRoot, entry.name, 'resources'))
+        .filter(directoryExists);
+}
+
+function getResourceDirs() {
+    switch (platform) {
+        case 'macos':
+            return getMacResourceDirs();
+        case 'linux':
+            return getUnpackedResourceDirs('linux');
+        case 'windows':
+            return getUnpackedResourceDirs('win');
+        default:
+            console.error(`Unsupported platform "${platform}"`);
+            process.exit(1);
+    }
+}
+
+function verifyResourceDir(resourceDir) {
+    const missingWorkers = workerFiles.filter(
+        (workerFile) =>
+            !fileExists(path.join(resourceDir, workerRelativeDir, workerFile))
+    );
+
+    const nativeModuleDirs = nativeModuleRelativeDirs.map((relativeDir) =>
+        path.join(resourceDir, relativeDir)
+    );
+    const matchingNativeModuleDir = nativeModuleDirs.find((nativeDir) =>
+        fileExists(path.join(nativeDir, 'better-sqlite3', 'package.json'))
+    );
+
+    const errors = [];
+
+    if (missingWorkers.length > 0) {
+        errors.push(
+            `Missing worker artifacts in ${resourceDir}: ${missingWorkers.join(', ')}`
+        );
+    }
+
+    if (!matchingNativeModuleDir) {
+        errors.push(
+            [
+                `Unable to find unpacked better-sqlite3 in ${resourceDir}.`,
+                'Checked:',
+                ...nativeModuleDirs.map((nativeDir) => `- ${nativeDir}`),
+            ].join('\n')
+        );
+    }
+
+    return {
+        resourceDir,
+        errors,
+        matchingNativeModuleDir,
+    };
+}
+
+const resourceDirs = getResourceDirs();
+
+if (resourceDirs.length === 0) {
+    console.error(
+        `No packaged resource directories found for ${platform}${arch ? ` (${arch})` : ''}.`
+    );
+    process.exit(1);
+}
+
+const results = resourceDirs.map(verifyResourceDir);
+const failures = results.filter((result) => result.errors.length > 0);
+
+for (const result of results) {
+    console.log(`Verified packaged resources: ${result.resourceDir}`);
+    if (result.matchingNativeModuleDir) {
+        console.log(
+            `Resolved unpacked better-sqlite3 at: ${result.matchingNativeModuleDir}`
+        );
+    }
+}
+
+if (failures.length > 0) {
+    for (const failure of failures) {
+        console.error(failure.errors.join('\n'));
+    }
+    process.exit(1);
+}
diff --git a/tools/testing/launch-packaged-electron.mjs b/tools/testing/launch-packaged-electron.mjs
new file mode 100644
index 000000000..68ffb4f33
--- /dev/null
+++ b/tools/testing/launch-packaged-electron.mjs
@@ -0,0 +1,116 @@
+import fs from 'fs';
+import path from 'path';
+import { spawn } from 'child_process';
+
+const args = process.argv.slice(2);
+const normalizedArgs = args[0] === '--' ? args.slice(1) : args;
+const [platformArg, arch = ''] = normalizedArgs;
+const currentPlatform =
+    platformArg ??
+    (process.platform === 'darwin'
+        ? 'macos'
+        : process.platform === 'win32'
+          ? 'windows'
+          : 'linux');
+
+const workspaceRoot = process.cwd();
+const executablesRoot = path.join(workspaceRoot, 'dist', 'executables');
+const remoteDebuggingPort = '9222';
+
+function ensureFile(filePath) {
+    return fs.existsSync(filePath) && fs.statSync(filePath).isFile();
+}
+
+function findUnpackedExecutable(prefix, executableNames) {
+    if (!fs.existsSync(executablesRoot)) {
+        return undefined;
+    }
+
+    const unpackedDirs = fs
+        .readdirSync(executablesRoot, { withFileTypes: true })
+        .filter(
+            (entry) =>
+                entry.isDirectory() &&
+                entry.name.startsWith(prefix) &&
+                entry.name.endsWith('-unpacked')
+        )
+        .map((entry) => path.join(executablesRoot, entry.name));
+
+    for (const unpackedDir of unpackedDirs) {
+        for (const executableName of executableNames) {
+            const executablePath = path.join(unpackedDir, executableName);
+            if (ensureFile(executablePath)) {
+                return executablePath;
+            }
+        }
+    }
+
+    return undefined;
+}
+
+function resolvePackagedExecutable() {
+    if (currentPlatform === 'macos') {
+        const candidates = [
+            {
+                arch: 'x64',
+                executable: path.join(
+                    executablesRoot,
+                    'mac',
+                    'IPTVnator.app',
+                    'Contents',
+                    'MacOS',
+                    'IPTVnator'
+                ),
+            },
+            {
+                arch: 'arm64',
+                executable: path.join(
+                    executablesRoot,
+                    'mac-arm64',
+                    'IPTVnator.app',
+                    'Contents',
+                    'MacOS',
+                    'IPTVnator'
+                ),
+            },
+        ];
+
+        const match = candidates.find(
+            (candidate) => (!arch || candidate.arch === arch) && ensureFile(candidate.executable)
+        );
+        return match?.executable;
+    }
+
+    if (currentPlatform === 'windows') {
+        return findUnpackedExecutable('win', ['IPTVnator.exe']);
+    }
+
+    if (currentPlatform === 'linux') {
+        return findUnpackedExecutable('linux', ['IPTVnator', 'iptvnator']);
+    }
+
+    return undefined;
+}
+
+const executable = resolvePackagedExecutable();
+
+if (!executable) {
+    console.error(
+        `Unable to resolve a packaged executable for ${currentPlatform}${arch ? ` (${arch})` : ''}.`
+    );
+    process.exit(1);
+}
+
+console.log(`Launching packaged app: ${executable}`);
+console.log(
+    `After the window opens, connect with: agent-browser --cdp ${remoteDebuggingPort} tab list`
+);
+
+const child = spawn(executable, [`--remote-debugging-port=${remoteDebuggingPort}`], {
+    stdio: 'inherit',
+    detached: false,
+});
+
+child.on('exit', (code) => {
+    process.exit(code ?? 0);
+});