chore(remotes): rename initNetwork to initTransport

Align the function name with the file name (transport.ts).
Also clean up circular dependency pattern by reordering creation,
reducing from 2 eslint-disable comments to 1.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: sirtimid

packages/ocap-kernel/src/index.test.ts

@@ -14,7 +14,7 @@ describe('index', () => {
       'VatHandle',
       'VatIdStruct',
       'VatSupervisor',
-      'initNetwork',
+      'initTransport',
       'isVatConfig',
       'isVatId',
       'krefOf',

packages/ocap-kernel/src/index.ts

@@ -1,7 +1,7 @@
 export { Kernel } from './Kernel.ts';
 export { VatHandle } from './vats/VatHandle.ts';
 export { VatSupervisor } from './vats/VatSupervisor.ts';
-export { initNetwork } from './remotes/platform/transport.ts';
+export { initTransport } from './remotes/platform/transport.ts';
 export type {
   ClusterConfig,
   KRef,