fix(commit-message): use Kimi --prompt instead of Claude --print (#11674)

* fix(commit-message): use Kimi --prompt instead of Claude --print

kimi-code rejects --print (suggesting --prompt). Deliver the generation
prompt as the --prompt argv value so branch auto-rename and commit
message generation work when Kimi is the selected agent.

Fixes #11669

* test(commit-message): cover Kimi argument defaults

src/shared/commit-message-agent-spec.test.ts

@@ -46,6 +46,27 @@ describe('COMMIT_MESSAGE_AGENT_SPECS', () => {
     expect(COMMIT_MESSAGE_AGENT_SPECS.pi?.defaultModelId).toBe('github-copilot/gpt-5.4-mini')
   })
 
+  it('uses --prompt (not Claude --print) for Kimi non-interactive generation', () => {
+    // Why: kimi-code 0.31+ rejects --print; non-interactive mode is --prompt/-p (#11669).
+    const spec = COMMIT_MESSAGE_AGENT_SPECS.kimi
+    expect(spec).toBeDefined()
+    expect(spec!.promptDelivery).toBe('argv')
+    const args = spec!.buildArgs({
+      prompt: 'Name a branch for adding login',
+      model: 'kimi-code/kimi-for-coding',
+      thinkingLevel: 'on'
+    })
+    expect(args).toContain('--prompt')
+    expect(args).not.toContain('--print')
+    // Why: with argv delivery the prompt is the value of --prompt.
+    const promptIndex = args.indexOf('--prompt')
+    expect(promptIndex).toBeGreaterThanOrEqual(0)
+    expect(args[promptIndex + 1]).toBe('Name a branch for adding login')
+    expect(args).toContain('--quiet')
+    expect(args).toContain('--thinking')
+    expect(args).toEqual(expect.arrayContaining(['--model', 'kimi-code/kimi-for-coding']))
+  })
+
   it('uses the provider-qualified Kimi model id accepted by the CLI', () => {
     expect(COMMIT_MESSAGE_AGENT_SPECS.kimi?.models.map((m) => m.id)).toEqual([
       'default',
@@ -53,6 +74,25 @@ describe('COMMIT_MESSAGE_AGENT_SPECS', () => {
     ])
   })
 
+  it('maps Kimi thinking off and omission to distinct argv', () => {
+    const spec = COMMIT_MESSAGE_AGENT_SPECS.kimi!
+    const offArgs = spec.buildArgs({ prompt: 'PROMPT', model: 'default', thinkingLevel: 'off' })
+    const defaultArgs = spec.buildArgs({ prompt: 'PROMPT', model: 'default' })
+
+    expect(offArgs).toContain('--no-thinking')
+    expect(offArgs).not.toContain('--thinking')
+    expect(defaultArgs).not.toContain('--thinking')
+    expect(defaultArgs).not.toContain('--no-thinking')
+  })
+
+  it('omits Kimi --model for the config default and an empty model', () => {
+    const spec = COMMIT_MESSAGE_AGENT_SPECS.kimi!
+
+    for (const model of ['default', '']) {
+      expect(spec.buildArgs({ prompt: 'PROMPT', model })).not.toContain('--model')
+    }
+  })
+
   it('lists Copilot hosted CLI models even when account policy filters the picker', () => {
     expect(COMMIT_MESSAGE_AGENT_SPECS.copilot?.defaultModelId).toBe('gpt-5.4')
     expect(COMMIT_MESSAGE_AGENT_SPECS.copilot?.models.map((m) => m.id)).toEqual([

src/shared/commit-message-agent-spec.ts

@@ -568,9 +568,12 @@ export const COMMIT_MESSAGE_AGENT_SPECS: Partial<Record<TuiAgent, CommitMessageA
     id: 'kimi',
     label: 'Kimi',
     binary: 'kimi',
-    promptDelivery: 'stdin',
-    buildArgs: ({ model, thinkingLevel }) => [
-      '--print',
+    // Why: kimi-code accepts the generation prompt only via --prompt/-p (Claude's
+    // --print is rejected). Deliver on argv so --prompt receives the text (#11669).
+    promptDelivery: 'argv',
+    buildArgs: ({ prompt, model, thinkingLevel }) => [
+      '--prompt',
+      prompt,
       '--quiet',
       ...(model && model !== 'default' ? ['--model', model] : []),
       ...(thinkingLevel === 'on'