Merge latest invariant service seam

# Conflicts:
#	docs/module-graph.md
#	package.json
#	packages/examples/tui-demo/package.json
#	packages/examples/tui-demo/src/invariant.ts
#	packages/ui/stdio/package.json
#	packages/ui/stdio/tests/stdio.spec.ts
#	packages/ui/stdio/tsconfig.json
#	pnpm-lock.yaml

packages/sdk/create-sdk/src/args.ts

@@ -61,7 +61,7 @@ function createProgram(): Command {
     .option('--base-url <url>')
     .option('--api-key <key>')
     .option('--model <name>')
-    .addOption(new Option('--interface <name>').choices(['acp', 'stdio', 'embed']))
+    .addOption(new Option('--interface <name>').choices(['acp', 'tui', 'embed']))
     .addOption(new Option('--pm <name>').choices(['npm', 'pnpm', 'yarn']))
     .addOption(new Option('--install').default(undefined))
     .addOption(new Option('--no-install').default(undefined))

packages/sdk/create-sdk/src/create-questions.ts

@@ -169,10 +169,10 @@ const PROJECT_QUESTION_STEPS: readonly WizardStep<ProjectAnswerState>[] = [
       message: 'Run interface',
       options: [
         { value: 'acp', label: 'ACP server' },
-        { value: 'stdio', label: 'Terminal REPL' },
+        { value: 'tui', label: 'Terminal TUI' },
         { value: 'embed', label: 'Embedded context' },
       ],
-      initialValue: 'stdio',
+      initialValue: 'tui',
     }),
     prefilled: state => state.args.runInterface,
     apply: (state, value) => { state.runInterface = value },

packages/sdk/create-sdk/src/templates/assets/usage.txt.tpl

@@ -6,7 +6,7 @@ Options:
   --base-url <url>
   --api-key <key>
   --model <name>
-  --interface <acp|stdio|embed>
+  --interface <acp|tui|embed>
   --pm <npm|pnpm|yarn>
   --install / --no-install
   --config <path>

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,