refactor: replace overloaded surface terminology

packages/client/ui-layout/tests/apply.spec.ts

@@ -3,7 +3,7 @@
 // ONE register() call declares the three child slots + seats the store factory
 // + wires the panel actions through the inject hook; teardown cascades
 // (service unprovided + declarations gone + registration cleared). Node half
-// and the invariant companion ride along — one-line surfaces the aggregate
+// and the invariant companion ride along — one line exposes the aggregate
 // coverage gate still requires exercised.
 
 import { Context } from '@deepseek-ai/cordis'
@@ -111,7 +111,7 @@ describe('node half + invariant companion', () => {
     const register = vi.fn().mockReturnValue(() => {})
     const ctx = { invariants: { register } } as never
     // The /invariant subpath types live in lib/types (build product); assert
-    // the surface so the call stays typed where lint runs without a build.
+    // the API so the call stays typed where lint runs without a build.
     const dispose = await (invariant as { apply: (ctx: never) => Promise<() => void> }).apply(ctx)
     expect(register).toHaveBeenCalledWith('@deepseek-ai/dsh-client-ui-layout', expect.any(Function))
     // The installer is the declared no-op — calling it must not throw.