diff --git a/.gitignore b/.gitignore
index 024ac00..5d1935e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,6 +36,12 @@ playwright/.cache/
 
 # Generated store-listing copy (source of truth: store-assets/STORE_LISTING.md)
 store-assets/description.md
+store-assets/captions.json
+store-assets/shotkit-manifest.json
+store-assets/shotkit-approval.json
+store-assets/storyboard.json
+store-assets/schemas/
+store-assets/*-thumbnail.png
 
 # Stray files in root
 /content.css
diff --git a/scripts/store-assets/shorts-demo.js b/scripts/store-assets/shorts-demo.js
new file mode 100644
index 0000000..ed60f7c
--- /dev/null
+++ b/scripts/store-assets/shorts-demo.js
@@ -0,0 +1,184 @@
+const FOCUS_COLUMN_CSS = `
+  html, body { background: #f1f3f5 !important; }
+  body { overflow-x: hidden !important; }
+  .site-header {
+    position: relative !important;
+    height: 100px !important;
+    padding: 38px 42px 14px !important;
+  }
+  .site-header .logo { gap: 12px !important; font-size: 20px !important; }
+  .site-header .logo .dot { width: 28px !important; height: 28px !important; }
+  #header-right { gap: 0 !important; margin-right: 108px !important; }
+  .header-links-container, #si18n-dark-toggle { display: none !important; }
+  #si18n-header-lang {
+    display: flex !important;
+    align-items: center !important;
+    gap: 12px !important;
+  }
+  #si18n-header-lang::before {
+    content: 'SkillBridge';
+    color: #f2cc8f;
+    font: 800 14px/1 -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
+  }
+  #si18n-header-lang select {
+    min-width: 132px !important;
+    height: 42px !important;
+    padding: 7px 34px 7px 14px !important;
+    border-radius: 6px !important;
+    font-size: 16px !important;
+    font-weight: 700 !important;
+  }
+  .layout {
+    display: block !important;
+    width: 100% !important;
+    max-width: none !important;
+    margin: 0 !important;
+  }
+  .layout > aside { display: none !important; }
+  #lesson-main {
+    min-height: 1180px !important;
+    padding: 44px 52px 510px !important;
+    background: #f8f9fa !important;
+  }
+  #lesson-main .eyebrow { font-size: 15px !important; }
+  #lesson-main h1 {
+    margin: 8px 0 26px !important;
+    font-size: 42px !important;
+    line-height: 1.13 !important;
+  }
+  #lesson-main h2 {
+    margin: 28px 0 12px !important;
+    font-size: 28px !important;
+    line-height: 1.25 !important;
+  }
+  #lesson-main p {
+    max-width: none !important;
+    margin-bottom: 18px !important;
+    font-size: 22px !important;
+    line-height: 1.58 !important;
+  }
+  #lesson-main ul {
+    max-width: none !important;
+    padding-left: 28px !important;
+    font-size: 20px !important;
+    line-height: 1.7 !important;
+  }
+  #lesson-main pre,
+  #lesson-main .progress,
+  #skillbridge-root,
+  #si18n-term-preview,
+  #si18n-welcome-banner { display: none !important; }
+  #__shotkit_badge__ {
+    top: 8px !important;
+    left: 42px !important;
+    max-width: none !important;
+    padding: 2px 0 !important;
+    border-radius: 0 !important;
+    background: transparent !important;
+    color: rgba(255,255,255,.82) !important;
+    box-shadow: none !important;
+    font-size: 14px !important;
+  }
+`;
+
+const SHORTS_LAYOUTS = Object.freeze({
+  'focus-column': FOCUS_COLUMN_CSS,
+  'compact-column': `${FOCUS_COLUMN_CSS}
+    #lesson-main { padding: 32px 44px 430px !important; }
+    #lesson-main h1 { margin-bottom: 20px !important; font-size: 36px !important; }
+    #lesson-main h2 { margin: 22px 0 9px !important; font-size: 24px !important; }
+    #lesson-main p { margin-bottom: 14px !important; font-size: 20px !important; line-height: 1.46 !important; }
+    #lesson-main ul { font-size: 18px !important; line-height: 1.55 !important; }
+  `,
+});
+
+function resolveShortsLayout(layoutPreset = 'focus-column') {
+  return SHORTS_LAYOUTS[layoutPreset] || SHORTS_LAYOUTS['focus-column'];
+}
+
+function installVerticalLayout(css) {
+  const install = () => {
+    if (document.getElementById('__skillbridge_shorts_layout__')) return;
+    const style = document.createElement('style');
+    style.id = '__skillbridge_shorts_layout__';
+    style.textContent = css;
+    document.head.appendChild(style);
+  };
+  if (document.readyState === 'loading') {
+    document.addEventListener('DOMContentLoaded', install, { once: true });
+  } else {
+    install();
+  }
+}
+
+async function waitUntil(page, startedAt, atMs) {
+  const remaining = atMs - (Date.now() - startedAt);
+  if (remaining > 0) await page.waitForTimeout(remaining);
+}
+
+function createShortsDemo({ evalInContentWorld, lessonUrl }) {
+  return {
+    name: 'demo-skillbridge',
+    targets: ['youtube-shorts'],
+    disclaimer: 'Unofficial · independent project',
+    trim: { start: 2.3, duration: 21.7 },
+    thumbnail: { at: 3.5 },
+    captionOptions: {
+      mode: 'focus',
+      appearance: 'outline',
+      position: 'bottom-left',
+      bottomOffset: 425,
+      wordsPerChunk: 2,
+      wordMs: 390,
+      activeColor: '#ffd43b',
+    },
+    captions: [
+      { at: 2.5, text: 'Translate AI lessons' },
+      { at: 6.2, text: 'Korean in one click' },
+      { at: 8, text: 'AI terms stay intact' },
+      { at: 11, text: 'Restore anytime' },
+      { at: 17, text: 'Original stays untouched' },
+      { at: 20, text: 'SkillBridge removes language barriers' },
+    ],
+    async run({ page, context, baseUrl, demo, calibration }) {
+      const startedAt = Date.now();
+      await context.addInitScript(installVerticalLayout, resolveShortsLayout(calibration && calibration.layoutPreset));
+      await page.goto(`${baseUrl}${lessonUrl}`, { waitUntil: 'networkidle' });
+      await evalInContentWorld(context, 'suppressOnboarding');
+
+      await waitUntil(page, startedAt, 3_800);
+      await demo.select('#si18n-header-lang-select', 'ko', {
+        moveMs: 360,
+        beforeMs: 80,
+        openMs: 650,
+        holdMs: 450,
+        maxOptions: 7,
+      });
+      await page.waitForFunction(
+        () => /[\uac00-\ud7a3]/.test(document.querySelector('#p-1')?.textContent || ''),
+        null,
+        { timeout: 15_000 },
+      );
+      await evalInContentWorld(context, 'cleanForCapture');
+
+      await waitUntil(page, startedAt, 12_200);
+      await demo.select('#si18n-header-lang-select', 'en', {
+        moveMs: 360,
+        beforeMs: 80,
+        openMs: 650,
+        holdMs: 450,
+        maxOptions: 7,
+      });
+      await page.waitForFunction(
+        () => /This lesson covers prompt engineering/.test(document.querySelector('#p-1')?.textContent || ''),
+        null,
+        { timeout: 15_000 },
+      );
+      await evalInContentWorld(context, 'cleanForCapture');
+      await waitUntil(page, startedAt, 24_200);
+      await demo.hidePointer();
+    },
+  };
+}
+
+module.exports = { SHORTS_LAYOUTS, createShortsDemo, resolveShortsLayout };
diff --git a/shotkit.calibration.json b/shotkit.calibration.json
new file mode 100644
index 0000000..3d1d612
--- /dev/null
+++ b/shotkit.calibration.json
@@ -0,0 +1,43 @@
+{
+  "version": 1,
+  "profiles": {
+    "demo-skillbridge": {
+      "youtube-shorts": {
+        "layoutPreset": "focus-column",
+        "framing": {
+          "scale": 1,
+          "focusX": 0.5,
+          "focusY": 0.5
+        },
+        "captionOptions": {
+          "position": "bottom-left",
+          "appearance": "outline",
+          "bottomOffset": 425
+        },
+        "protectedRegions": [
+          {
+            "id": "lesson-result",
+            "label": "Lesson result",
+            "x": 36,
+            "y": 110,
+            "width": 648,
+            "height": 610
+          },
+          {
+            "id": "language-control",
+            "label": "Language control",
+            "x": 400,
+            "y": 28,
+            "width": 220,
+            "height": 82
+          }
+        ],
+        "verification": {
+          "profileHash": "c59ceba30749fd64fa29bdd701cf4dd42e8f60ba7bcaa2c3a8b6cd8680d7f8da",
+          "status": "publish-ready",
+          "verifiedAt": "2026-07-10T14:47:57.139Z"
+        }
+      }
+    }
+  }
+}
diff --git a/store.config.js b/store.config.js
index df06a9e..406d5e4 100644
--- a/store.config.js
+++ b/store.config.js
@@ -29,6 +29,7 @@ const path = require('path');
 
 const { evalInContentWorld, makePatchedExtension } = require('./tests/e2e/helpers/extension');
 const { registerStubs, GT_KO, buildGTResponse } = require('./tests/e2e/helpers/network-stubs');
+const { createShortsDemo } = require('./scripts/store-assets/shorts-demo');
 
 const FIXTURES = path.join(__dirname, 'store-assets', 'fixtures');
 const TEMPLATES = path.join(__dirname, 'store-assets', 'templates');
@@ -82,6 +83,10 @@ module.exports = {
   outDir: 'store-assets',
   disclaimer: DISCLAIMER,
   description: { from: 'store-assets/STORE_LISTING.md' },
+  calibration: {
+    from: 'shotkit.calibration.json',
+    layouts: ['focus-column', 'compact-column'],
+  },
 
   // dist/bundled (copied + manifest widened to localhost + streaming Puter stub).
   prepareExtension: () => makePatchedExtension(),
@@ -263,4 +268,6 @@ module.exports = {
       await page.waitForTimeout(1800);
     },
   },
+
+  demos: [createShortsDemo({ evalInContentWorld, lessonUrl: LESSON_URL })],
 };
diff --git a/tests/store-config.test.js b/tests/store-config.test.js
new file mode 100644
index 0000000..cfe04f1
--- /dev/null
+++ b/tests/store-config.test.js
@@ -0,0 +1,34 @@
+const config = require('../store.config');
+const { resolveShortsLayout } = require('../scripts/store-assets/shorts-demo');
+
+describe('store asset config', () => {
+  test('keeps a dedicated publish-ready Shorts story', () => {
+    const shorts = config.demos.find((demo) => demo.name === 'demo-skillbridge');
+
+    expect(shorts).toMatchObject({
+      targets: ['youtube-shorts'],
+      disclaimer: 'Unofficial · independent project',
+      trim: { start: 2.3, duration: 21.7 },
+      thumbnail: { at: 3.5 },
+      captionOptions: {
+        mode: 'focus',
+        appearance: 'outline',
+        position: 'bottom-left',
+        bottomOffset: 425,
+      },
+    });
+    expect(shorts.captions[0]).toEqual({ at: 2.5, text: 'Translate AI lessons' });
+    expect(shorts.captions.map((caption) => caption.text).join(' ')).toMatch(/Restore|Original/);
+    expect(shorts.run).toEqual(expect.any(Function));
+  });
+
+  test('declares constrained calibration layouts consumed by the Shorts story', () => {
+    expect(config.calibration).toEqual({
+      from: 'shotkit.calibration.json',
+      layouts: ['focus-column', 'compact-column'],
+    });
+    expect(resolveShortsLayout('focus-column')).toContain('font-size: 42px');
+    expect(resolveShortsLayout('compact-column')).toContain('font-size: 36px');
+    expect(resolveShortsLayout('unknown')).toBe(resolveShortsLayout('focus-column'));
+  });
+});