fix(typert): satisfy workspace static gates

scripts/publication-payload.spec.ts

@@ -1,5 +1,9 @@
 import { describe, expect, it } from 'vitest'
-import { isForbiddenPublicationFile, validateTarballPayload } from './publication-payload.ts'
+import {
+  hasTypeRTRemoteNavigation,
+  isForbiddenPublicationFile,
+  validateTarballPayload,
+} from './publication-payload.ts'
 
 function validateFixtureTarball(files: readonly string[]): () => void {
   return () => {
@@ -51,4 +55,29 @@ describe('publication payload policy', () => {
       'package/lib/styles/base.css',
     ])).not.toThrow()
   })
+
+  it('allows only the TypeRT declaration map and its navigable source tree when requested', () => {
+    const policy = { typeRTRemoteNavigation: true }
+    expect(isForbiddenPublicationFile('src/index.ts', policy)).toBe(false)
+    expect(isForbiddenPublicationFile('lib/typert.remote-client.d.ts.map', policy)).toBe(false)
+    expect(isForbiddenPublicationFile('lib/types/index.d.ts.map', policy)).toBe(true)
+    expect(() => {
+      validateTarballPayload([
+        'package/lib/typert.remote-client.d.ts.map',
+        'package/src/index.ts',
+      ], 'fixture.tgz', policy)
+    }).not.toThrow()
+  })
+
+  it('recognizes only the canonical Host-for-Client export pair', () => {
+    expect(hasTypeRTRemoteNavigation({
+      exports: {
+        './remote': {
+          types: './lib/typert.remote-client.d.ts',
+          default: './lib/typert.remote-client.js',
+        },
+      },
+    })).toBe(true)
+    expect(hasTypeRTRemoteNavigation({ exports: { './remote': './lib/remote.js' } })).toBe(false)
+  })
 })