fix(typert): address remote gateway review

packages/typert/type-meta/src/index.ts

@@ -7,6 +7,17 @@
 import { Service, type Context } from 'cordis'
 import type { TypeRTContextMap } from './types.ts'
 
+const TYPERT_REMOTE_SEGMENT_PATTERN = /^[A-Za-z0-9_$.-]+$/
+
+/**
+ * Test one generated Remote name against the Connection endpoint grammar.
+ * @param value - namespace, method, lookup, or Context segment.
+ * @returns whether the value can cross the shared RPC carrier unchanged.
+ */
+export function isTypeRTRemoteSegment(value: string): boolean {
+  return TYPERT_REMOTE_SEGMENT_PATTERN.test(value)
+}
+
 export type {
   InvocationDescriptor,
   InvocationParameterDescriptor,
@@ -236,7 +247,7 @@ function sameInvocation(left: RemoteInvocationMarker, right: RemoteInvocationMar
 }
 
 function validateName(subject: string, value: string): void {
-  if (value.length === 0 || value.includes('/')) {
-    throw new TypeError(`type-meta: ${subject} must be nonempty and must not contain "/"`)
+  if (!isTypeRTRemoteSegment(value)) {
+    throw new TypeError(`type-meta: ${subject} must contain only RPC endpoint segment characters`)
   }
 }

packages/typert/type-meta/tests/type-meta.spec.ts

@@ -162,6 +162,8 @@ describe('type-meta Remote declarations', () => {
     const method: (this: object) => void = function (this: object): void {}
     expect(() => { (Remote as unknown as (value: typeof method) => void)(method) }).toThrow('context is missing')
     expect(() => Remote('bad/name')).toThrow('export name')
+    expect(() => Remote('bad#name')).toThrow('export name')
+    expect(() => Remote('bad name')).toThrow('export name')
     expect(() => RemoteContext('' as 'metaFixture')).toThrow('Context key')
     expect(() => RemoteContext('metaFixture', 'bad/name')).toThrow('export name')
 
@@ -203,6 +205,7 @@ describe('type-meta Remote declarations', () => {
   it('rejects ambiguous binding names', () => {
     expect(() => bindTypeRTGateway({}, '')).toThrow('service key')
     expect(() => bindTypeRTGateway({}, 'goals', { namespace: 'api/goals' })).toThrow('namespace')
+    expect(() => bindTypeRTGateway({}, 'goals', { namespace: 'api goals' })).toThrow('namespace')
   })
 })