diff --git a/openless-all/app/package.json b/openless-all/app/package.json
index c9d13236..39250f10 100644
--- a/openless-all/app/package.json
+++ b/openless-all/app/package.json
@@ -8,6 +8,7 @@
     "build": "tsc && vite build",
     "preview": "vite preview",
     "tauri": "tauri",
+    "check:aura-skin": "node scripts/aura-skin-contract.test.mjs",
     "check:macos-capsule-spaces": "node scripts/macos-capsule-spaces-contract.test.mjs",
     "check:hotkey-injection": "node scripts/check-hotkey-injection.mjs"
   },
diff --git a/openless-all/app/scripts/aura-skin-contract.test.mjs b/openless-all/app/scripts/aura-skin-contract.test.mjs
new file mode 100644
index 00000000..dbd1c230
--- /dev/null
+++ b/openless-all/app/scripts/aura-skin-contract.test.mjs
@@ -0,0 +1,34 @@
+import { readFile } from 'node:fs/promises';
+import assert from 'node:assert/strict';
+
+const root = new URL('../', import.meta.url);
+
+async function read(relPath) {
+  return readFile(new URL(relPath, root), 'utf8');
+}
+
+const [tokens, globalCss, shell, settingsModal, overview] = await Promise.all([
+  read('src/styles/tokens.css'),
+  read('src/styles/global.css'),
+  read('src/components/FloatingShell.tsx'),
+  read('src/components/SettingsModal.tsx'),
+  read('src/pages/Overview.tsx'),
+]);
+
+assert.match(tokens, /--ol-shell-radius:/, 'tokens.css must define --ol-shell-radius');
+assert.match(tokens, /--ol-panel-radius:/, 'tokens.css must define --ol-panel-radius');
+assert.match(tokens, /--ol-aura-shadow:/, 'tokens.css must define --ol-aura-shadow');
+assert.match(tokens, /--ol-font-display:/, 'tokens.css must define --ol-font-display');
+
+assert.match(globalCss, /\.ol-app-shell-bg\b/, 'global.css must expose .ol-app-shell-bg');
+assert.match(globalCss, /\.ol-aura-panel\b/, 'global.css must expose .ol-aura-panel');
+assert.doesNotMatch(globalCss, /@keyframes ol-aura-halo/, 'global.css must not add an animated halo');
+
+assert.match(shell, /ol-app-shell-bg/, 'FloatingShell must use the app shell background class');
+assert.match(shell, /ol-aura-sidebar/, 'FloatingShell must expose an Aura sidebar hook');
+assert.match(shell, /ol-aura-panel/, 'FloatingShell must expose an Aura panel hook');
+
+assert.match(settingsModal, /ol-aura-settings/, 'SettingsModal must expose an Aura settings wrapper');
+assert.match(overview, /ol-overview-hero/, 'Overview must expose a high-visibility overview surface hook');
+
+console.log('Aura skin contract OK');