diff --git a/scripts/audit/theme-admin-dark-probe.mjs b/scripts/audit/theme-admin-dark-probe.mjs
new file mode 100644
index 0000000..f4ab7ba
--- /dev/null
+++ b/scripts/audit/theme-admin-dark-probe.mjs
@@ -0,0 +1,47 @@
+// admin 暗黑模式影响探针：默认值改为「跟随系统」后，admin 区域（bg-white 密集）
+// 会随 OS 偏好变暗 —— 这是悬置决策点「admin 是否参与暗黑模式」的新触发条件。
+// 本探针只取证不修复：OS=dark 下 admin/login 与 admin 主框架的渲染状态。
+//
+// 用法：node scripts/audit/theme-admin-dark-probe.mjs   （需 dev server 在 localhost:3000）
+
+import { chromium } from 'playwright';
+import { mkdirSync, writeFileSync } from 'node:fs';
+
+const BASE = 'http://localhost:3000';
+const OUT = 'dogfood-output/theme-admin-dark-probe';
+mkdirSync(OUT, { recursive: true });
+
+const browser = await chromium.launch({ args: ['--no-proxy-server'] });
+const findings = [];
+
+for (const scheme of ['dark', 'light']) {
+  for (const route of ['/admin/login', '/admin']) {
+    const ctx = await browser.newContext({ colorScheme: scheme, viewport: { width: 1440, height: 900 } });
+    const page = await ctx.newPage();
+    const errors = [];
+    page.on('console', (m) => { if (m.type() === 'error') errors.push(m.text()); });
+    page.on('pageerror', (e) => errors.push('PAGEERROR: ' + e.message));
+
+    const resp = await page.goto(BASE + route, { waitUntil: 'networkidle', timeout: 30000 }).catch(() => null);
+    const status = resp ? resp.status() : 'goto-failed';
+
+    const probe = await page.evaluate(() => ({
+      dataTheme: document.documentElement.getAttribute('data-theme'),
+      bodyBg: getComputedStyle(document.body).backgroundColor,
+      title: document.title.slice(0, 40),
+      hasLoginForm: Boolean(document.querySelector('input[type="password"]')),
+      h1: document.querySelector('h1')?.textContent?.slice(0, 30) ?? null,
+    })).catch((e) => ({ probeError: String(e) }));
+
+    const file = `${OUT}/admin${route === '/admin' ? '-home' : '-login'}-${scheme}.png`;
+    await page.screenshot({ path: file }).catch(() => {});
+    await ctx.close();
+
+    findings.push({ scheme, route, status, ...probe, consoleErrors: errors, screenshot: file });
+    console.log(`OS=${scheme} ${route} → status=${status} data-theme=${probe.dataTheme} bodyBg=${probe.bodyBg} errors=${errors.length}`);
+  }
+}
+
+await browser.close();
+writeFileSync(`${OUT}/admin-dark-probe.json`, JSON.stringify(findings, null, 2));
+console.log(`\n产物：${OUT}/`);