Remove the stdio agent

packages/sdk/create-sdk/tests/create.snapshot.ts

@@ -179,12 +179,12 @@ describe('create-sdk terminal contract', () => {
             "message": "DeepSeek API key",
           },
           {
-            "initialValue": "stdio",
+            "initialValue": "tui",
             "kind": "select",
             "message": "Run interface",
             "options": [
               "ACP server",
-              "Terminal REPL",
+              "Terminal TUI",
               "Embedded context",
             ],
           },

packages/sdk/create-sdk/tests/create.spec.ts

@@ -151,7 +151,7 @@ describe('create arguments', () => {
     expect(() => parseCreateArgs(['--link-packages-workspace'])).toThrow("unknown option '--link-packages-workspace'")
     expect(parseCreateArgs(['--provider=custom']).provider).toBe('custom')
     expect(parseCreateArgs(['--help']).help).toBe(true)
-    expect(() => parseCreateArgs(['--interface=bad'])).toThrow('Allowed choices are acp, stdio, embed')
+    expect(() => parseCreateArgs(['--interface=bad'])).toThrow('Allowed choices are acp, tui, embed')
     expect(() => parseCreateArgs(['--unknown'])).toThrow("unknown option '--unknown'")
     expect(() => parseCreateArgs(['one', 'two'])).toThrow('too many arguments')
   })
@@ -208,7 +208,7 @@ describe('CreateWizard and scaffolder', () => {
       '--provider=deepseek',
       '--api-key=deepseek-key',
       '--model=deepseek-v4-flash',
-      '--interface=stdio',
+      '--interface=tui',
       '--pm=npm',
       '--no-install',
       '--link-workspace',
@@ -247,7 +247,7 @@ describe('CreateWizard and scaffolder', () => {
     const resolved = await new CreateWizard({
       args: parseCreateArgs([
         'my-agent', '--description=demo', '--provider=deepseek', '--api-key=deepseek-key',
-        '--model=deepseek-v4-flash', '--interface=stdio', '--pm=npm', '--no-install',
+        '--model=deepseek-v4-flash', '--interface=tui', '--pm=npm', '--no-install',
       ]),
       port: new HeadlessPromptPort(),
       cwd,
@@ -275,7 +275,7 @@ describe('CreateWizard and scaffolder', () => {
     await expect(new CreateWizard({
       args: parseCreateArgs([
         'my-agent', '--description=demo', '--provider=deepseek', '--api-key=k',
-        '--model=m', '--interface=stdio', '--pm=npm', '--no-install',
+        '--model=m', '--interface=tui', '--pm=npm', '--no-install',
       ]),
       port: new HeadlessPromptPort(),
       cwd,