diff --git a/scripts/check-packaged-sqlite.mjs b/scripts/check-packaged-sqlite.mjs
new file mode 100644
index 00000000..fd599cad
--- /dev/null
+++ b/scripts/check-packaged-sqlite.mjs
@@ -0,0 +1,86 @@
+#!/usr/bin/env node
+/**
+ * Verify that the packaged Windows Electron runtime can load the shipped
+ * better-sqlite3 binding and execute a real SQLite query.
+ */
+
+import { spawnSync } from 'node:child_process'
+import { existsSync, statSync } from 'node:fs'
+import { createRequire } from 'node:module'
+import { join, resolve } from 'node:path'
+import { fileURLToPath } from 'node:url'
+
+const currentFile = fileURLToPath(import.meta.url)
+const repoRoot = resolve(import.meta.dirname, '..')
+const defaultDistDir = join(repoRoot, 'apps', 'desktop', 'dist')
+const desktopRequire = createRequire(join(repoRoot, 'apps', 'desktop', 'package.json'))
+
+export function getPackagedSqlitePaths(distDir) {
+  const appDir = join(distDir, 'win-unpacked')
+  return {
+    executablePath: join(appDir, 'ChatLab.exe'),
+    bindingPath: join(appDir, 'resources', 'native', 'better_sqlite3.node'),
+  }
+}
+
+function assertNonEmptyFile(filePath, label) {
+  if (!existsSync(filePath)) throw new Error(`${label} is missing: ${filePath}`)
+  if (statSync(filePath).size === 0) throw new Error(`${label} is empty: ${filePath}`)
+}
+
+function safeChildError(result) {
+  return (result.stderr || result.stdout || result.error?.message || `child exited with status ${result.status}`).trim()
+}
+
+/**
+ * 使用最终 ChatLab.exe 的 Electron ABI 加载最终 binding，并执行真实内存 SQLite 查询。
+ * 该检查只读成品文件且只创建内存数据库，不会访问任何用户数据目录。
+ */
+export function verifyPackagedSqlite({
+  distDir = defaultDistDir,
+  betterSqliteEntry = desktopRequire.resolve('better-sqlite3'),
+  spawn = spawnSync,
+} = {}) {
+  const { executablePath, bindingPath } = getPackagedSqlitePaths(distDir)
+  assertNonEmptyFile(executablePath, 'Packaged ChatLab executable')
+  assertNonEmptyFile(bindingPath, 'Packaged better-sqlite3 binding')
+
+  const probe = `
+    const Database = require(process.argv[1]);
+    const db = new Database(':memory:', { nativeBinding: process.argv[2] });
+    const row = db.prepare('SELECT 1 AS value').get();
+    db.close();
+    process.stdout.write(JSON.stringify({ abi: process.versions.modules, value: row.value }));
+  `
+  const result = spawn(executablePath, ['-e', probe, betterSqliteEntry, bindingPath], {
+    encoding: 'utf8',
+    env: { ...process.env, ELECTRON_RUN_AS_NODE: '1' },
+  })
+
+  if (result.status !== 0) {
+    throw new Error(`Packaged better-sqlite3 failed to load: ${safeChildError(result)}`)
+  }
+
+  let parsed
+  try {
+    parsed = JSON.parse(result.stdout)
+  } catch (error) {
+    throw new Error(`Invalid packaged SQLite probe output: ${result.stdout}`, { cause: error })
+  }
+  if (parsed.value !== 1 || typeof parsed.abi !== 'string') {
+    throw new Error(`Invalid packaged SQLite probe result: ${JSON.stringify(parsed)}`)
+  }
+  return { abi: parsed.abi, value: parsed.value }
+}
+
+function main() {
+  try {
+    const result = verifyPackagedSqlite()
+    console.log(`[check-packaged-sqlite] OK: Electron ABI ${result.abi}, SELECT 1 = ${result.value}`)
+  } catch (error) {
+    console.error(`[check-packaged-sqlite] FAILED: ${error instanceof Error ? error.message : String(error)}`)
+    process.exitCode = 1
+  }
+}
+
+if (process.argv[1] && currentFile === resolve(process.argv[1])) main()
diff --git a/scripts/check-packaged-sqlite.test.mjs b/scripts/check-packaged-sqlite.test.mjs
new file mode 100644
index 00000000..997ab123
--- /dev/null
+++ b/scripts/check-packaged-sqlite.test.mjs
@@ -0,0 +1,73 @@
+import assert from 'node:assert/strict'
+import { mkdirSync, mkdtempSync, rmSync, writeFileSync } from 'node:fs'
+import { tmpdir } from 'node:os'
+import { join } from 'node:path'
+import test from 'node:test'
+
+import { verifyPackagedSqlite } from './check-packaged-sqlite.mjs'
+
+const fixtures = []
+const BETTER_SQLITE_ENTRY = '/repo/node_modules/better-sqlite3/lib/index.js'
+
+function makeFixture({ executable, binding }) {
+  const distDir = mkdtempSync(join(tmpdir(), 'chatlab-packaged-sqlite-'))
+  fixtures.push(distDir)
+
+  const appDir = join(distDir, 'win-unpacked')
+  const resourcesDir = join(appDir, 'resources')
+  mkdirSync(join(resourcesDir, 'native'), { recursive: true })
+  if (executable) writeFileSync(join(appDir, 'ChatLab.exe'), 'executable')
+  if (binding) writeFileSync(join(resourcesDir, 'native', 'better_sqlite3.node'), 'binding')
+  return distDir
+}
+
+test.afterEach(() => {
+  for (const fixture of fixtures.splice(0)) rmSync(fixture, { recursive: true, force: true })
+})
+
+test('verifyPackagedSqlite rejects a missing packaged binding', () => {
+  const distDir = makeFixture({ executable: true, binding: false })
+
+  assert.throws(
+    () =>
+      verifyPackagedSqlite({
+        distDir,
+        betterSqliteEntry: BETTER_SQLITE_ENTRY,
+        spawn: () => assert.fail('spawn must not run when the binding is missing'),
+      }),
+    /binding.*missing/i
+  )
+})
+
+test('verifyPackagedSqlite reports Electron load failures', () => {
+  const distDir = makeFixture({ executable: true, binding: true })
+
+  assert.throws(
+    () =>
+      verifyPackagedSqlite({
+        distDir,
+        betterSqliteEntry: BETTER_SQLITE_ENTRY,
+        spawn: () => ({ status: 1, stdout: '', stderr: 'NODE_MODULE_VERSION 137 requires 133' }),
+      }),
+    /137 requires 133/
+  )
+})
+
+test('verifyPackagedSqlite accepts a real SQLite probe result', () => {
+  const distDir = makeFixture({ executable: true, binding: true })
+  let invocation
+
+  const result = verifyPackagedSqlite({
+    distDir,
+    betterSqliteEntry: BETTER_SQLITE_ENTRY,
+    spawn: (executablePath, args, options) => {
+      invocation = { executablePath, args, options }
+      return { status: 0, stdout: '{"abi":"133","value":1}', stderr: '' }
+    },
+  })
+
+  assert.deepEqual(result, { abi: '133', value: 1 })
+  assert.equal(invocation.executablePath, join(distDir, 'win-unpacked', 'ChatLab.exe'))
+  assert.equal(invocation.args.at(-1), join(distDir, 'win-unpacked', 'resources', 'native', 'better_sqlite3.node'))
+  assert.equal(invocation.options.env.ELECTRON_RUN_AS_NODE, '1')
+})