diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2950e6a51..d3e19c533 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -46,12 +46,50 @@ jobs:
               - "gradle/**"
               - "gradlew"
               - "gradlew.bat"
+            capture_inputs:
+              - "tools/marketing-capture-inputs.txt"
+              - "build.gradle.kts"
+              - "settings.gradle.kts"
+              - "gradle.properties"
+              - "gradle/libs.versions.toml"
+              - "gradle/wrapper/gradle-wrapper.properties"
+              - "ui/build.gradle.kts"
+              - "ui/src/commonMain/**"
+              - "ui/src/desktopMain/kotlin/dev/obiente/nextcloudnative/nativeui/preview/**"
+              - "ui/src/desktopMain/resources/marketing/**"
+              - "website/package.json"
+              - "website/package-lock.json"
+              - "website/public/screenshots/**"
+              - "website/scripts/marketing-captures.mjs"
+              - "website/scripts/verify-marketing-captures.mjs"
 
       - name: Check repository hygiene
         run: |
           bash tools/check-repository.sh
           bash tools/test-prerelease-update-contract.sh
 
+      - name: Set up Node.js for capture verification
+        if: >-
+          github.event_name == 'workflow_dispatch' ||
+          steps.changes.outputs.capture_inputs == 'true'
+        uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6
+        with:
+          node-version: "22"
+          cache: npm
+          cache-dependency-path: website/package-lock.json
+
+      - name: Install capture verification dependencies
+        if: >-
+          github.event_name == 'workflow_dispatch' ||
+          steps.changes.outputs.capture_inputs == 'true'
+        run: npm ci --prefix website
+
+      - name: Verify marketing capture freshness
+        if: >-
+          github.event_name == 'workflow_dispatch' ||
+          steps.changes.outputs.capture_inputs == 'true'
+        run: node website/scripts/verify-marketing-captures.mjs
+
       - name: Require a changelog fragment
         if: >-
           github.event_name != 'workflow_dispatch' &&
diff --git a/changes/unreleased/231-capture-deployment-verification.md b/changes/unreleased/231-capture-deployment-verification.md
new file mode 100644
index 000000000..4c092427a
--- /dev/null
+++ b/changes/unreleased/231-capture-deployment-verification.md
@@ -0,0 +1,7 @@
+category: internal
+issue: 231
+pull: 247
+platforms: website
+user-facing: no
+
+Website deployments now verify committed screenshot assets independently from source-freshness review gates.
diff --git a/tools/capture-marketing-screenshots.sh b/tools/capture-marketing-screenshots.sh
index d0e04efc4..12d41eaa6 100755
--- a/tools/capture-marketing-screenshots.sh
+++ b/tools/capture-marketing-screenshots.sh
@@ -10,6 +10,6 @@ fi
 
 cd "$repository_root"
 ./gradlew --no-daemon --max-workers=1 :ui:captureMarketingScreenshots
-npm run --prefix website verify:captures
+npm run --prefix website verify:captures:fresh
 
 echo "Workstation Compose captures are ready in website/public/screenshots/."
diff --git a/tools/marketing-capture-inputs.txt b/tools/marketing-capture-inputs.txt
index af7402d0d..6b376534b 100644
--- a/tools/marketing-capture-inputs.txt
+++ b/tools/marketing-capture-inputs.txt
@@ -1,4 +1,9 @@
 # Capture source inventory shared by the Compose renderer and freshness verifier.
+build.gradle.kts
+settings.gradle.kts
+gradle.properties
+gradle/libs.versions.toml
+gradle/wrapper/gradle-wrapper.properties
 ui/build.gradle.kts
 ui/src/commonMain/kotlin
 ?ui/src/commonMain/resources
diff --git a/website/README.md b/website/README.md
index dc139d801..46c0d1489 100644
--- a/website/README.md
+++ b/website/README.md
@@ -74,17 +74,25 @@ filename list. Each scenario uses production Compose components and
 deterministic synthetic models. The workflow does not use adb, an emulator, a
 phone, a Nextcloud account, or network-backed application services.
 
-The website validates the manifest, PNG dimensions, and image hashes. Check
-whether the committed catalog represents the current capture inputs with:
+Production and pull request deployments validate the committed manifest, fully
+decode each PNG, and check its dimensions and hash without requiring unrelated
+UI source changes to regenerate the catalog:
 
 ```bash
 npm run --prefix website verify:captures
 ```
 
-If the command reports stale inputs, run the capture wrapper with JDK 21 and
-review the updated synthetic images. The `/visual-qa/` route lists scenario,
-feature, surface, state, platform, viewport, and pixel metadata. Future
-scenario entries may also identify the pull request they review.
+Review CI separately checks whether the catalog represents the current capture
+inputs. Run the same freshness gate locally with:
+
+```bash
+npm run --prefix website verify:captures:fresh
+```
+
+If the freshness command reports stale inputs, run the capture wrapper with
+JDK 21 and review the updated synthetic images. The `/visual-qa/` route lists
+scenario, feature, surface, state, platform, viewport, and pixel metadata.
+Future scenario entries may also identify the pull request they review.
 
 The canonical Obiente organization avatar lives with the desktop capture
 resources. Content generation copies it into `public/` for static hosting, so
diff --git a/website/package-lock.json b/website/package-lock.json
index 012d72771..f6e02824d 100644
--- a/website/package-lock.json
+++ b/website/package-lock.json
@@ -7,9 +7,6 @@
     "": {
       "name": "nextcloud-native-homepage",
       "version": "0.1.0",
-      "engines": {
-        "node": "^20.19.0 || >=22.12.0"
-      },
       "dependencies": {
         "@phosphor-icons/vue": "2.2.1",
         "@vitejs/plugin-vue": "6.0.8",
@@ -18,6 +15,12 @@
         "markdown-it-anchor": "9.2.1",
         "vite": "8.1.5",
         "vue": "3.5.40"
+      },
+      "devDependencies": {
+        "pngjs": "7.0.0"
+      },
+      "engines": {
+        "node": "^20.19.0 || >=22.12.0"
       }
     },
     "node_modules/@babel/helper-string-parser": {
@@ -977,6 +980,16 @@
         "url": "https://github.com/sponsors/jonschlinkert"
       }
     },
+    "node_modules/pngjs": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/pngjs/-/pngjs-7.0.0.tgz",
+      "integrity": "sha512-LKWqWJRhstyYo9pGvgor/ivk2w94eSjE3RGVuzLGlr3NmD8bf7RcYGze1mNdEHRP6TRP6rMuDHk5t44hnTRyow==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=14.19.0"
+      }
+    },
     "node_modules/postcss": {
       "version": "8.5.22",
       "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.22.tgz",
diff --git a/website/package.json b/website/package.json
index 14b0b31be..c99c72e3c 100644
--- a/website/package.json
+++ b/website/package.json
@@ -9,7 +9,8 @@
   "scripts": {
     "content": "node scripts/generate-content.mjs",
     "test": "node --test ../tools/changelog-fragments.test.mjs && node scripts/run-tests.mjs",
-    "verify:captures": "node scripts/verify-marketing-captures.mjs",
+    "verify:captures": "node scripts/verify-marketing-capture-assets.mjs",
+    "verify:captures:fresh": "node scripts/verify-marketing-captures.mjs",
     "predev": "npm run content",
     "dev": "vite",
     "build": "npm run content && npm run test && npm run verify:captures && vite build && vite build --ssr src/entry-server.js --outDir dist-ssr && node scripts/prerender.mjs",
@@ -23,5 +24,8 @@
     "markdown-it-anchor": "9.2.1",
     "vite": "8.1.5",
     "vue": "3.5.40"
+  },
+  "devDependencies": {
+    "pngjs": "7.0.0"
   }
 }
diff --git a/website/public/screenshots/capture-manifest.json b/website/public/screenshots/capture-manifest.json
index 3fe73d02d..861511fe3 100644
--- a/website/public/screenshots/capture-manifest.json
+++ b/website/public/screenshots/capture-manifest.json
@@ -5,6 +5,11 @@
     "cloudIdentity": "Nextcloud",
     "networkAccess": false,
     "captureSources": [
+        "build.gradle.kts",
+        "gradle.properties",
+        "gradle/libs.versions.toml",
+        "gradle/wrapper/gradle-wrapper.properties",
+        "settings.gradle.kts",
         "tools/marketing-capture-inputs.txt",
         "ui/build.gradle.kts",
         "ui/src/commonMain/kotlin/dev/obiente/nextcloudnative/app/ActivitySemantics.kt",
@@ -126,6 +131,7 @@
         "ui/src/commonMain/kotlin/dev/obiente/nextcloudnative/app/design/DesktopShell.kt",
         "ui/src/commonMain/kotlin/dev/obiente/nextcloudnative/app/design/DesktopShellLayout.kt",
         "ui/src/commonMain/kotlin/dev/obiente/nextcloudnative/app/design/DesktopShellShortcuts.kt",
+        "ui/src/commonMain/kotlin/dev/obiente/nextcloudnative/app/design/NextcloudBoardDragAutoScroll.kt",
         "ui/src/commonMain/kotlin/dev/obiente/nextcloudnative/app/design/NextcloudBoardDragHandle.kt",
         "ui/src/commonMain/kotlin/dev/obiente/nextcloudnative/app/design/NextcloudCardActions.kt",
         "ui/src/commonMain/kotlin/dev/obiente/nextcloudnative/app/design/NextcloudComponents.kt",
@@ -168,7 +174,7 @@
         "ui/src/desktopMain/resources/marketing/raw-render-fixture.png",
         "ui/src/desktopMain/resources/marketing/raw-render-fixture.svg"
     ],
-    "captureSourceSha256": "2c7267b916de63c592d2ce2bbae824ea36154f6ea55ac4c2db9084a032d74d86",
+    "captureSourceSha256": "f671f0e7fc16db7c4614b0a861d37bf0fc5e1aeac5f31631b0f07a8729ab566e",
     "avatarSha256": "a20433eeda834a418f92d76853633b4fc9115ad3006c5622ce2611432dc1f14d",
     "captures": [
         {
diff --git a/website/scripts/content-surfaces.test.mjs b/website/scripts/content-surfaces.test.mjs
index ffe48605a..72917a6c5 100644
--- a/website/scripts/content-surfaces.test.mjs
+++ b/website/scripts/content-surfaces.test.mjs
@@ -8,6 +8,8 @@ import { changelog } from "../src/generated/changelog.js";
 import { marketingCaptures } from "../src/generated/captures.js";
 import { news } from "../src/generated/news.js";
 import {
+  decodePngDimensions,
+  discoverCaptureSources,
   readCaptureManifest,
   stableCapturePath,
   verifyCaptureAssets,
@@ -173,6 +175,11 @@ test("marketing screenshots are rendered offscreen without an Android device", a
     manifest.captureSources.every(
       (relative) =>
         relative === "ui/build.gradle.kts" ||
+        relative === "build.gradle.kts" ||
+        relative === "settings.gradle.kts" ||
+        relative === "gradle.properties" ||
+        relative === "gradle/libs.versions.toml" ||
+        relative === "gradle/wrapper/gradle-wrapper.properties" ||
         relative === "tools/marketing-capture-inputs.txt" ||
         relative.startsWith("ui/src/commonMain/") ||
         relative.startsWith(
@@ -181,19 +188,20 @@ test("marketing screenshots are rendered offscreen without an Android device", a
         relative.startsWith("ui/src/desktopMain/resources/marketing/"),
     ),
   );
-  const sourceDigest = createHash("sha256");
-  for (const relative of manifest.captureSources) {
-    sourceDigest.update(relative);
-    sourceDigest.update(new Uint8Array([0]));
-    sourceDigest.update(await readFile(path.join(repositoryRoot, relative)));
-  }
-  assert.equal(manifest.captureSourceSha256, sourceDigest.digest("hex"));
   for (const capture of manifest.captures) {
     const bytes = await readFile(
       path.join(websiteRoot, "public", "screenshots", capture.file),
     );
+    assert.deepEqual(decodePngDimensions(bytes), {
+      width: capture.width,
+      height: capture.height,
+    });
     assert.equal(createHash("sha256").update(bytes).digest("hex"), capture.sha256);
   }
+  const validPng = await readFile(
+    path.join(websiteRoot, "public", "screenshots", manifest.captures[0].file),
+  );
+  assert.throws(() => decodePngDimensions(validPng.subarray(0, 40)));
   const avatar = await readFile(
     path.join(repositoryRoot, "ui", "src", "desktopMain", "resources", "marketing", "obiente-avatar.png"),
   );
@@ -205,6 +213,61 @@ test("marketing screenshots are rendered offscreen without an Android device", a
   assert.deepEqual(websiteAvatar, avatar);
 });
 
+test("deploy builds verify committed captures while review CI checks freshness", async () => {
+  const packageJson = JSON.parse(
+    await readFile(path.join(websiteRoot, "package.json"), "utf8"),
+  );
+  const captureWrapper = await readFile(
+    path.join(repositoryRoot, "tools", "capture-marketing-screenshots.sh"),
+    "utf8",
+  );
+  const ciWorkflow = await readFile(
+    path.join(repositoryRoot, ".github", "workflows", "ci.yml"),
+    "utf8",
+  );
+
+  assert.equal(
+    packageJson.scripts["verify:captures"],
+    "node scripts/verify-marketing-capture-assets.mjs",
+  );
+  assert.equal(
+    packageJson.scripts["verify:captures:fresh"],
+    "node scripts/verify-marketing-captures.mjs",
+  );
+  assert.match(packageJson.scripts.build, /\bnpm run verify:captures\b/u);
+  assert.doesNotMatch(packageJson.scripts.build, /\bverify:captures:fresh\b/u);
+  assert.match(captureWrapper, /\bnpm run --prefix website verify:captures:fresh\b/u);
+  assert.match(
+    ciWorkflow,
+    /\bnode website\/scripts\/verify-marketing-captures\.mjs\b/u,
+  );
+  assert.match(ciWorkflow, /steps\.changes\.outputs\.capture_inputs == 'true'/u);
+  assert.match(ciWorkflow, /- "ui\/src\/commonMain\/\*\*"/u);
+  assert.match(ciWorkflow, /- "gradle\/libs\.versions\.toml"/u);
+  assert.match(ciWorkflow, /- "website\/public\/screenshots\/\*\*"/u);
+  assert.match(ciWorkflow, /- "website\/scripts\/marketing-captures\.mjs"/u);
+  assert.match(ciWorkflow, /- "website\/scripts\/verify-marketing-captures\.mjs"/u);
+  assert.match(ciWorkflow, /\bnpm ci --prefix website\b/u);
+  assert.ok(
+    ciWorkflow.indexOf("npm ci --prefix website") <
+      ciWorkflow.indexOf("node website/scripts/verify-marketing-captures.mjs"),
+  );
+});
+
+test("capture freshness tracks renderer build configuration", async () => {
+  const sources = new Set(await discoverCaptureSources());
+  for (const requiredSource of [
+    "build.gradle.kts",
+    "settings.gradle.kts",
+    "gradle.properties",
+    "gradle/libs.versions.toml",
+    "gradle/wrapper/gradle-wrapper.properties",
+    "ui/build.gradle.kts",
+  ]) {
+    assert.ok(sources.has(requiredSource), `${requiredSource} must affect capture freshness`);
+  }
+});
+
 test("visual QA and mobile navigation are driven by registered captures", async () => {
   const appSource = await readFile(
     path.join(websiteRoot, "src", "App.vue"),
diff --git a/website/scripts/marketing-captures.mjs b/website/scripts/marketing-captures.mjs
index 4b51eee38..1fe5c3661 100644
--- a/website/scripts/marketing-captures.mjs
+++ b/website/scripts/marketing-captures.mjs
@@ -1,6 +1,7 @@
 import { createHash } from "node:crypto";
 import { lstat, readFile, readdir, realpath } from "node:fs/promises";
 import path from "node:path";
+import { PNG } from "pngjs";
 import { fileURLToPath } from "node:url";
 
 const websiteRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..");
@@ -156,7 +157,7 @@ export async function verifyCaptureAssets(manifest) {
     const imagePath = path.join(websiteRoot, "public", "screenshots", capture.file);
     try {
       const bytes = await readFile(imagePath);
-      const dimensions = pngDimensions(bytes);
+      const dimensions = decodePngDimensions(bytes);
       if (dimensions.width !== capture.width || dimensions.height !== capture.height) {
         failures.push(
           `${capture.file} is ${dimensions.width}x${dimensions.height}; manifest expects ` +
@@ -277,15 +278,17 @@ async function digestCaptureSources(sources) {
   return digest.digest("hex");
 }
 
-function pngDimensions(bytes) {
-  const signature = [137, 80, 78, 71, 13, 10, 26, 10];
+export function decodePngDimensions(bytes) {
+  const decoded = PNG.sync.read(bytes, {
+    checkCRC: true,
+  });
   requireValue(
-    bytes.length >= 24 && signature.every((value, index) => bytes[index] === value),
-    "file is not a PNG image",
+    decoded.data.length === decoded.width * decoded.height * 4,
+    "decoded PNG pixel data has an unexpected length",
   );
   return {
-    width: bytes.readUInt32BE(16),
-    height: bytes.readUInt32BE(20),
+    width: decoded.width,
+    height: decoded.height,
   };
 }
 
diff --git a/website/scripts/verify-marketing-capture-assets.mjs b/website/scripts/verify-marketing-capture-assets.mjs
new file mode 100644
index 000000000..ad8726947
--- /dev/null
+++ b/website/scripts/verify-marketing-capture-assets.mjs
@@ -0,0 +1,17 @@
+import {
+  readCaptureManifest,
+  verifyCaptureAssets,
+} from "./marketing-captures.mjs";
+
+const manifest = await readCaptureManifest();
+const failures = await verifyCaptureAssets(manifest);
+
+if (failures.length > 0) {
+  console.error("Committed marketing capture asset verification failed:");
+  for (const failure of failures) console.error(`- ${failure}`);
+  process.exitCode = 1;
+} else {
+  console.log(
+    `Verified ${manifest.captures.length} committed synthetic Compose capture assets.`,
+  );
+}