feat(acp): advertise and switch llm models

packages/ui/jsonrpc/src/server.ts

@@ -262,6 +262,6 @@ export class HarnessSdkServer {
   }
 
   private hasAdapterFor(provider: string): boolean {
-    return this.ctx.get('llm')?.providers().includes(provider) ?? false
+    return this.ctx.get('llm')?.listProviders().some(entry => entry.id === provider) ?? false
   }
 }

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

@@ -399,7 +399,7 @@ describe('HarnessSdkServer', () => {
       expect(inspect.hasAdapterFor('missing-provider')).toBe(false)
       await server.initialize({ cwd: storageDir, provider: 'deepseek', model: 'preinstalled-model' })
 
-      expect(ctx.get('llm')?.providers().filter(provider => provider === 'deepseek')).toEqual(['deepseek'])
+      expect(ctx.get('llm')?.listProviders().filter(provider => provider.id === 'deepseek')).toEqual([{ id: 'deepseek', name: 'DeepSeek' }])
       await server.shutdown()
     } finally {
       await ctx.fiber.dispose()
@@ -418,7 +418,7 @@ describe('HarnessSdkServer', () => {
       await expect(server.initialize({ cwd: storageDir, provider: 'private', model: 'new-model' }))
         .rejects.toThrow('no adapter registered for provider "private"')
 
-      expect(ctx.get('llm')?.providers()).toEqual(['deepseek'])
+      expect(ctx.get('llm')?.listProviders()).toEqual([{ id: 'deepseek', name: 'DeepSeek' }])
       await server.shutdown()
     } finally {
       await ctx.fiber.dispose()
@@ -519,7 +519,7 @@ describe('HarnessSdkServer', () => {
     const ctx = {
       on: vi.fn(() => () => undefined),
       agents: { create, get: () => undefined },
-      get: () => ({ providers: () => ['mock'] }),
+      get: () => ({ listProviders: () => [{ id: 'mock', name: 'Mock' }] }),
     } as unknown as Context
     const server = new HarnessSdkServer(ctx, new FakeTransport()) as unknown as {
       initialize(params: { cwd: string; provider: string; model: string }): Promise<unknown>