fix: moon-loader unit frames and User-Agent-only host header tests

Moon waiting-state unit tests expect MOON_SPINNER_FRAMES. SDK/host
header tests assert User-Agent only under the product boundary.

Author: elkaix

apps/pythinker-code/test/tui/components/chrome/moon-loader.test.ts

@@ -5,6 +5,7 @@ import { MoonLoader } from '#/tui/components/chrome/moon-loader';
 import {
   BRAILLE_SPINNER_FRAMES,
   BRAILLE_SPINNER_INTERVAL_MS,
+  MOON_SPINNER_FRAMES,
   formatThinkingSpinnerLabel,
 } from '#/tui/constant/rendering';
 
@@ -46,8 +47,8 @@ describe('MoonLoader', () => {
     expect(row).toContain('Tip: ctrl+s: steer mid-turn');
   });
 
-  it('uses the shared Braille mark for the waiting state', () => {
-    expect(createLoader().renderInline()).toBe('⣷');
+  it('uses the shared moon mark for the waiting state', () => {
+    expect(createLoader().renderInline()).toBe(MOON_SPINNER_FRAMES[0]);
   });
 
   it('uses the shared Braille mark and shimmer verb labels while allowing retry text to win', () => {

packages/node-sdk/test/sdk-rpc-client-v2.test.ts

@@ -343,17 +343,13 @@ describe('SDKRpcClientV2 (agent-core-v2 wiring)', () => {
     await expect(client.close()).resolves.toBeUndefined();
   });
 
-  it('seeds the host request headers (User-Agent + X-Msh-*) into the engine', async () => {
+  it('seeds the host User-Agent request header into the engine', async () => {
     const homeDir = await mkdtemp(join(tmpdir(), 'pythinker-sdk-v2-'));
     tempDirs.push(homeDir);
     const client = new SDKRpcClientV2({ homeDir, identity: TEST_IDENTITY });
     try {
-      // Without this seed the managed vendors go out with the SDK's default
-      // User-Agent and no X-Msh-*  the interactive-v2 path's identity bug.
       const headers = client.engineAccessor.get(IHostRequestHeaders).headers;
       expect(headers['User-Agent']).toBe(`pythinker-code-cli/${TEST_IDENTITY.version}`);
-      expect(headers['User-Agent']).toContain('pythinker');
-            expect(headers['X-Msh-Device-Id']).toBeTruthy();
     } finally {
       await client.close();
     }