feat(dsbench): add SDK evaluation composition

packages/ui/jsonrpc/tests/server.spec.ts

@@ -329,7 +329,7 @@ describe('HarnessSdkServer', () => {
         agentOptions: { model: 'deepseek' },
       })
       const transport = new FakeTransport()
-      const server = new HarnessSdkServer(ctx, transport)
+      const server = new HarnessSdkServer(ctx, transport, { maxTokensAsSuccess: true })
 
       await settleSubagent(ctx, parentHandle.agent, {
         provider: 'fork',
@@ -355,7 +355,7 @@ describe('HarnessSdkServer', () => {
           agentId: 'fallback-child-agent',
           parentSessionId: 'fallback-parent',
           childSessionId: 'fallback-child-session',
-          status: 'error',
+          status: 'ok',
           stopReason: 'max-tokens',
           lastAssistantMessage: [],
         },
@@ -443,6 +443,24 @@ describe('HarnessSdkServer', () => {
     }
   })
 
+  it('can report max-token turn termination as an accepted evaluation result', async () => {
+    const storageDir = await mkdtemp(join(tmpdir(), 'dsh-jsonrpc-max-tokens-success-'))
+    const ctx = await makeHarness(storageDir)
+    try {
+      const server = new HarnessSdkServer(ctx, new FakeTransport(), { maxTokensAsSuccess: true }) as unknown as {
+        finishedStatus(reason: unknown): 'ok' | 'error'
+        shutdown(): Promise<Record<string, never>>
+      }
+
+      expect(server.finishedStatus({ kind: 'max-tokens' })).toBe('ok')
+      expect(server.finishedStatus({ kind: 'error' })).toBe('error')
+      await server.shutdown()
+    } finally {
+      await ctx.fiber.dispose()
+      await rm(storageDir, { recursive: true, force: true })
+    }
+  })
+
   it('reports no adapter when the LLM service is absent', async () => {
     const ctx = new Context()
     try {