diff --git a/src/main/ipc/worktree-remote.ts b/src/main/ipc/worktree-remote.ts
index cfb5320e96b..0d1f827556a 100644
--- a/src/main/ipc/worktree-remote.ts
+++ b/src/main/ipc/worktree-remote.ts
@@ -1,5 +1,6 @@
 /* eslint-disable max-lines */
 
+import { selectWorktreeCreateBranchSeed } from '../worktree-create-branch-seed'
 import { worktreeCreateGit } from '../git/worktree-create-git-executor'
 import { getStoredRepoExecutionHostId } from '../repo-execution-host'
 import type { BrowserWindow } from 'electron'
@@ -998,6 +999,7 @@ async function performLocalWorktreeCreate(
       : {})
   })
 
+  const branchSeed = selectWorktreeCreateBranchSeed(args, settings.autoRenameBranchFromWork)
   const requestedName = args.name
   const sanitizedName = sanitizeWorktreeName(args.name)
   const displayNameRequest = resolveWorktreeCreateDisplayNameRequest(
@@ -1224,7 +1226,7 @@ async function performLocalWorktreeCreate(
         selectedExistingLocalBranchName
           ? selectedExistingLocalBranchName
           : getBranchNameOverrideCandidate(args.branchNameOverride, suffix),
-        effectiveSanitizedName,
+        branchSeed ? getWorktreeCreateCandidate(branchSeed, suffix) : effectiveSanitizedName,
         settings,
         username,
         localWorktreeGitOptions
diff --git a/src/main/ipc/worktrees-create-metadata-persistence.test.ts b/src/main/ipc/worktrees-create-metadata-persistence.test.ts
index f3f1a353e67..740bb078fac 100644
--- a/src/main/ipc/worktrees-create-metadata-persistence.test.ts
+++ b/src/main/ipc/worktrees-create-metadata-persistence.test.ts
@@ -1,9 +1,16 @@
+import {
+  labelOnlyCreateRequests,
+  renameCreatedWorktreeOnFirstWork
+} from '../worktree-create-first-work-test-harness'
+import { isAutoGeneratedCreatureBranchName } from '../../shared/branch-name-from-work'
+import type { CreateWorktreeResult } from '../../shared/worktree/create-types'
 import { beforeEach, describe, expect, it, vi } from 'vitest'
 import { REVIEW_HEAD_FETCH_TIMEOUT_MS } from '../../shared/review-head-tracking-ref'
 import {
   handleMock,
   removeHandlerMock,
   listWorktreesMock,
+  describeCreatedWorktreeMock,
   getPullRequestPushTargetMock,
   gitExecFileAsyncMock
 } from './worktrees-test-module-mocks'
@@ -52,6 +59,17 @@ const WORKTREE_HANDLER_CHANNELS = [
   'hooks:writeIssueCommand'
 ] as const
 
+vi.mock('../text-generation/commit-message-text-generation', () => ({
+  resolveTextGenerationParams: () => ({
+    ok: true,
+    params: { agentId: 'claude', model: 'fixture' }
+  }),
+  generateBranchNameFromContext: async () => ({ success: true, slug: 'fix-auth' })
+}))
+vi.mock('../text-generation/commit-message-agent-environment', () => ({
+  prepareLocalCommitMessageAgentEnv: async () => ({ ok: true })
+}))
+
 vi.mock('electron', async () =>
   (await import('./worktrees-test-module-mocks')).electronModuleMock()
 )
@@ -776,3 +794,110 @@ describe('registerWorktreeHandlers', () => {
     })
   })
 })
+
+describe('desktop label-only creation through first work', () => {
+  function expectCreatedWorktree(result: unknown): asserts result is CreateWorktreeResult {
+    expect(result).toEqual(
+      expect.objectContaining({
+        worktree: expect.objectContaining({
+          id: expect.any(String),
+          repoId: 'repo-1',
+          path: expect.any(String),
+          head: expect.any(String),
+          branch: expect.stringMatching(/^refs\/heads\//),
+          isBare: false,
+          isMainWorktree: false,
+          displayName: expect.any(String),
+          displayNameMode: expect.stringMatching(/^(fixed|automatic)$/),
+          comment: '',
+          linkedIssue: null,
+          linkedPR: null,
+          linkedLinearIssue: null,
+          isArchived: false,
+          isUnread: false,
+          isPinned: false,
+          sortOrder: expect.any(Number),
+          lastActivityAt: expect.any(Number)
+        })
+      })
+    )
+  }
+
+  let savedMeta: Partial<WorktreeMeta>
+  beforeEach(() => {
+    setupWorktreeHandlers()
+    savedMeta = {}
+    store.getSettings.mockReturnValue({
+      branchPrefix: 'none',
+      nestWorkspaces: false,
+      refreshLocalBaseRefOnWorktreeCreate: false,
+      workspaceDir: '/workspace',
+      autoRenameBranchFromWork: true
+    })
+    store.setWorktreeMeta.mockImplementation((_target, updates) => {
+      savedMeta = { ...savedMeta, ...updates }
+      return savedMeta
+    })
+    describeCreatedWorktreeMock.mockImplementation(async (_repoPath, path, branch) => ({
+      path,
+      branch: `refs/heads/${branch}`,
+      head: 'abc123',
+      isBare: false,
+      isMainWorktree: false
+    }))
+  })
+
+  it.each(labelOnlyCreateRequests)(
+    'creates and renames a creature branch for $name while projecting its label',
+    async (request) => {
+      const result = await handlers['worktrees:create'](null, {
+        repoId: 'repo-1',
+        ...request
+      })
+      expectCreatedWorktree(result)
+      const { worktree } = result
+      const branch = worktree.branch.replace(/^refs\/heads\//, '')
+      expect(isAutoGeneratedCreatureBranchName(branch)).toBe(true)
+      expect(worktree.displayName).toBe(request.name)
+      expect(worktree.displayNameMode).toBe(request.nameWasGenerated ? 'automatic' : 'fixed')
+      const renamed = await renameCreatedWorktreeOnFirstWork(
+        worktree,
+        savedMeta,
+        gitExecFileAsyncMock
+      )
+      expect(renamed).toMatchObject({
+        branch: 'refs/heads/fix-auth',
+        displayName: request.nameWasGenerated ? 'Fix auth' : request.name,
+        displayNameMode: 'fixed'
+      })
+    }
+  )
+
+  it.each([
+    { branchNameOverride: 'feature/exact', enabled: true, branch: 'feature/exact' },
+    { branchNameOverride: undefined, enabled: false, branch: 'typed-label' }
+  ])(
+    'preserves branch choice $branch (automatic=$enabled)',
+    async ({ branchNameOverride, enabled, branch }) => {
+      store.getSettings.mockReturnValue({
+        branchPrefix: 'none',
+        nestWorkspaces: false,
+        refreshLocalBaseRefOnWorktreeCreate: false,
+        workspaceDir: '/workspace',
+        autoRenameBranchFromWork: enabled
+      })
+      const result = await handlers['worktrees:create'](null, {
+        repoId: 'repo-1',
+        name: 'typed-label',
+        branchNameOverride
+      })
+      expectCreatedWorktree(result)
+      const { worktree } = result
+      expect(worktree).toMatchObject({
+        branch: `refs/heads/${branch}`,
+        displayName: 'typed-label',
+        displayNameMode: 'fixed'
+      })
+    }
+  )
+})
diff --git a/src/main/ipc/worktrees-test-module-mocks.ts b/src/main/ipc/worktrees-test-module-mocks.ts
index 6c0d93a0fa2..03964646e2a 100644
--- a/src/main/ipc/worktrees-test-module-mocks.ts
+++ b/src/main/ipc/worktrees-test-module-mocks.ts
@@ -1,4 +1,5 @@
 import { type Mock, vi } from 'vitest'
+import type { describeCreatedWorktree } from '../git/worktree'
 import type { computeWorktreePath } from './worktree-logic'
 import type { HandlerMap } from './worktrees-test-ipc-surface'
 
@@ -30,7 +31,7 @@ export const findExistingWorktreeSymlinkPathsMock: ModuleMock = vi.fn()
 export const handleMock: Mock<(channel: string, handler: HandlerMap[string]) => void> = vi.fn()
 export const removeHandlerMock: ModuleMock = vi.fn()
 export const listWorktreesMock: StringArgMock = vi.fn()
-export const describeCreatedWorktreeMock: ModuleMock = vi.fn()
+export const describeCreatedWorktreeMock = vi.fn<typeof describeCreatedWorktree>()
 export const parseWorktreeListMock: Mock<(output: string) => ParsedWorktreeRow[]> = vi.fn(
   (output: string) =>
     output
diff --git a/src/main/runtime/runtime-local-worktree-create-candidate.ts b/src/main/runtime/runtime-local-worktree-create-candidate.ts
index d8f68b149b7..9772caa474c 100644
--- a/src/main/runtime/runtime-local-worktree-create-candidate.ts
+++ b/src/main/runtime/runtime-local-worktree-create-candidate.ts
@@ -1,3 +1,4 @@
+import { selectWorktreeCreateBranchSeed } from '../worktree-create-branch-seed'
 import type { Repo } from '../../shared/repo-types'
 import { WorktreeCreateCollisionError } from '../../shared/new-workspace/worktree-create-collision'
 import type { CreateWorktreeArgs } from '../../shared/worktree/create-types'
@@ -52,6 +53,7 @@ export async function resolveRuntimeLocalWorktreeCreateCandidate(args: {
   settings: ReturnType<typeof getWorktreePathSettings> & {
     branchPrefix: string
     branchPrefixCustom?: string
+    autoRenameBranchFromWork?: boolean
   }
   worktreePathSettings: ReturnType<typeof getWorktreePathSettings>
   workspaceRoot: string
@@ -61,6 +63,10 @@ export async function resolveRuntimeLocalWorktreeCreateCandidate(args: {
   localWorktreeGitOptions: { wslDistro?: string }
   hostedReviewExecutionContext?: HostedReviewExecutionOptions
 }): Promise<RuntimeLocalWorktreeCreateCandidate> {
+  const branchSeed = selectWorktreeCreateBranchSeed(
+    args.request,
+    args.settings.autoRenameBranchFromWork
+  )
   const sanitizedName = sanitizeWorktreeName(args.request.name)
   let effectiveRequestedName = args.request.name
   let effectiveSanitizedName = sanitizedName
@@ -149,7 +155,7 @@ export async function resolveRuntimeLocalWorktreeCreateCandidate(args: {
       args.repo.path,
       selectedExistingLocalBranchName ??
         getBranchNameOverrideCandidate(args.request.branchNameOverride, suffix),
-      effectiveSanitizedName,
+      branchSeed ? getWorktreeCreateCandidate(branchSeed, suffix) : effectiveSanitizedName,
       args.settings,
       args.username,
       args.localWorktreeGitOptions
diff --git a/src/main/runtime/runtime-local-worktree-create.test.ts b/src/main/runtime/runtime-local-worktree-create.test.ts
index 856519135de..65209c2ffa8 100644
--- a/src/main/runtime/runtime-local-worktree-create.test.ts
+++ b/src/main/runtime/runtime-local-worktree-create.test.ts
@@ -1,3 +1,9 @@
+import type * as RuntimeWorktreeCreateGit from './runtime-worktree-create-git'
+import {
+  labelOnlyCreateRequests,
+  renameCreatedWorktreeOnFirstWork
+} from '../worktree-create-first-work-test-harness'
+import { isAutoGeneratedCreatureBranchName } from '../../shared/branch-name-from-work'
 import { beforeEach, describe, expect, it, vi } from 'vitest'
 import { resolve } from 'node:path'
 import type { Store } from '../persistence'
@@ -15,6 +21,7 @@ import {
 import { resolveGitAdmissionTier } from '../git/command-runner/git-operation-executor'
 
 const mocks = vi.hoisted(() => ({
+  git: vi.fn(),
   rearm: vi.fn(),
   routing: vi.fn<() => { wslDistro?: string }>(),
   defaultBase: vi.fn(),
@@ -46,6 +53,18 @@ const mocks = vi.hoisted(() => ({
   }
 }))
 
+vi.mock('../text-generation/commit-message-text-generation', () => ({
+  resolveTextGenerationParams: () => ({
+    ok: true,
+    params: { agentId: 'claude', model: 'fixture' }
+  }),
+  generateBranchNameFromContext: async () => ({ success: true, slug: 'fix-auth' })
+}))
+vi.mock('../text-generation/commit-message-agent-environment', () => ({
+  prepareLocalCommitMessageAgentEnv: async () => ({ ok: true })
+}))
+
+vi.mock('../git/runner', () => ({ gitExecFileAsync: mocks.git }))
 vi.mock('../project-runtime-git-options', () => ({
   getLocalProjectGitExecOptions: () => ({ cwd: '/repo', ...mocks.routing() }),
   getLocalProjectWorktreeGitOptions: mocks.routing,
@@ -119,14 +138,16 @@ function createWorktree(
   request: Partial<RuntimeManagedWorktreeCreateArgs> = {},
   rearm: PreparationRearmHolder = { fire: () => {} },
   timing: WorktreeCreateTimingRecorder = createWorktreeCreateTimingRecorder(),
-  repoOverrides: Partial<Repo> = {}
+  repoOverrides: Partial<Repo> = {},
+  autoRenameBranchFromWork = false
 ) {
   const store = {
     getSettings: () => ({
       workspaceDir: '/worktrees',
       nestWorkspaces: false,
       refreshLocalBaseRefOnWorktreeCreate: false,
-      branchPrefix: ''
+      branchPrefix: '',
+      autoRenameBranchFromWork
     }),
     setWorktreeMeta: (_target: HostWorktreeTarget, updates: Partial<WorktreeMeta>) => {
       writtenMeta.push(updates)
@@ -160,6 +181,9 @@ function createWorktree(
 
 beforeEach(() => {
   vi.resetAllMocks()
+  writtenMeta.length = 0
+  mocks.created.branch = 'app'
+  mocks.git.mockResolvedValue({ stdout: '', stderr: '' })
   mocks.created.path = worktreePath
   mocks.routing.mockReturnValue({})
   mocks.defaultBase.mockImplementation(async () => {
@@ -866,3 +890,61 @@ describe('runtime create setup decision', () => {
     expect(mocks.consume).toHaveBeenCalledOnce()
   })
 })
+
+describe('runtime label-only creation through first work', () => {
+  async function useRealBranchSelection() {
+    const actual = await vi.importActual<typeof RuntimeWorktreeCreateGit>(
+      './runtime-worktree-create-git'
+    )
+    mocks.branchName.mockImplementation(actual.resolveCreateBranchName)
+    mocks.listing.mockImplementation(async (_repoPath, path, branch) => ({
+      created: { ...mocks.created, path, branch: `refs/heads/${branch}` }
+    }))
+  }
+
+  it.each(labelOnlyCreateRequests)(
+    'creates and renames a creature branch for $name while projecting its label',
+    async (request) => {
+      await useRealBranchSelection()
+      const { worktree } = await createWorktree(request, undefined, undefined, {}, true)
+      const branch = worktree.branch.replace(/^refs\/heads\//, '')
+      expect(isAutoGeneratedCreatureBranchName(branch)).toBe(true)
+      expect(worktree.displayName).toBe(request.name)
+      expect(worktree.displayNameMode).toBe(request.nameWasGenerated ? 'automatic' : 'fixed')
+      const renamed = await renameCreatedWorktreeOnFirstWork(worktree, writtenMeta[0], mocks.git)
+      expect(renamed).toMatchObject({
+        branch: 'refs/heads/fix-auth',
+        displayName: request.nameWasGenerated ? 'Fix auth' : request.name,
+        displayNameMode: 'fixed'
+      })
+    }
+  )
+
+  it.each([
+    {
+      request: { name: 'typed-label', branchNameOverride: 'feature/exact' },
+      enabled: true,
+      branch: 'feature/exact'
+    },
+    {
+      request: {
+        name: 'cli-exact',
+        cliProvenance: { kind: 'created-by-cli' as const, createdAt: 1 }
+      },
+      enabled: true,
+      branch: 'cli-exact'
+    },
+    { request: { name: 'typed-label' }, enabled: false, branch: 'typed-label' }
+  ])(
+    'preserves branch choice $branch (automatic=$enabled)',
+    async ({ request, enabled, branch }) => {
+      await useRealBranchSelection()
+      const { worktree } = await createWorktree(request, undefined, undefined, {}, enabled)
+      expect(worktree).toMatchObject({
+        branch: `refs/heads/${branch}`,
+        displayName: request.name,
+        displayNameMode: 'fixed'
+      })
+    }
+  )
+})
diff --git a/src/main/worktree-create-branch-seed.ts b/src/main/worktree-create-branch-seed.ts
new file mode 100644
index 00000000000..dd4ebc91ed0
--- /dev/null
+++ b/src/main/worktree-create-branch-seed.ts
@@ -0,0 +1,29 @@
+import type { CreateWorktreeArgs } from '../shared/worktree/create-types'
+import type { CliWorkspaceProvenance } from '../shared/worktree/types'
+import { selectSuggestedCreatureName } from '../shared/worktree-name-suggestion'
+import { resolveWorktreeCreateDisplayNameRequest } from './ipc/worktree-display-name'
+
+export function selectWorktreeCreateBranchSeed(
+  request: Pick<
+    CreateWorktreeArgs,
+    'name' | 'displayName' | 'displayNameKind' | 'nameWasGenerated' | 'branchNameOverride'
+  > & { cliProvenance?: CliWorkspaceProvenance },
+  autoRenameBranchFromWork: boolean | undefined
+): string | undefined {
+  if (
+    !autoRenameBranchFromWork ||
+    request.branchNameOverride ||
+    request.cliProvenance?.kind === 'created-by-cli'
+  ) {
+    return undefined
+  }
+  const label = resolveWorktreeCreateDisplayNameRequest(
+    request.displayName,
+    request.displayNameKind,
+    request.name,
+    false,
+    request.nameWasGenerated === true
+  )
+  // Typed labels stay independent of the placeholder consumed by first-work naming.
+  return label.kind === 'user' && label.value ? selectSuggestedCreatureName([]) : undefined
+}
diff --git a/src/main/worktree-create-first-work-test-harness.ts b/src/main/worktree-create-first-work-test-harness.ts
new file mode 100644
index 00000000000..78dae1a7c1c
--- /dev/null
+++ b/src/main/worktree-create-first-work-test-harness.ts
@@ -0,0 +1,84 @@
+import { expect, vi, type Mock } from 'vitest'
+import type { CreateWorktreeArgs } from '../shared/worktree/create-types'
+import type { Worktree } from '../shared/worktree/types'
+import type { WorktreeMeta } from '../shared/worktree/meta-types'
+import { getDefaultSettings } from '../shared/constants'
+import { firstWorkRenameDeps } from './agent-hooks/first-work-rename-runtime'
+import {
+  maybeAutoRenameBranchOnFirstWork,
+  resetFirstWorkBranchRenameState
+} from './agent-hooks/first-work-branch-rename'
+import { gitResponder, workingEvent } from './agent-hooks/first-work-branch-rename-test-harness'
+import { mergeWorktree } from './ipc/worktree-metadata-merge'
+
+export const labelOnlyCreateRequests: Pick<
+  CreateWorktreeArgs,
+  'name' | 'displayName' | 'displayNameKind' | 'nameWasGenerated'
+>[] = [
+  { name: '認証を修正', displayName: '認証を修正', displayNameKind: 'user' },
+  { name: 'fix-authentication', displayNameKind: 'user' },
+  { name: 'nautilus', nameWasGenerated: true }
+]
+
+export async function renameCreatedWorktreeOnFirstWork(
+  worktree: Worktree,
+  initialMeta: Partial<WorktreeMeta>,
+  gitMock: Mock
+): Promise<Worktree> {
+  resetFirstWorkBranchRenameState()
+  let meta: WorktreeMeta = {
+    displayName: '',
+    comment: '',
+    linkedIssue: null,
+    linkedPR: null,
+    linkedLinearIssue: null,
+    isArchived: false,
+    isUnread: false,
+    isPinned: false,
+    sortOrder: 0,
+    lastActivityAt: 0,
+    ...initialMeta
+  }
+  let branch = worktree.branch.replace(/^refs\/heads\//, '')
+  const respond = gitResponder({ currentBranch: branch, hasUpstream: false })
+  gitMock.mockImplementation(async (args: string[]) => {
+    if (args[0] === 'branch' && args[1] === '-m') {
+      branch = args[2]
+    }
+    return respond(args)
+  })
+  const repo = {
+    id: worktree.repoId,
+    path: '/repo',
+    displayName: 'Repo',
+    badgeColor: '',
+    addedAt: 0
+  }
+  const notifyBranchRenamed = vi.fn()
+  const deps = firstWorkRenameDeps(
+    {
+      getSettings: () => ({
+        ...getDefaultSettings('/tmp/pr-32919-fixture'),
+        autoRenameBranchFromWork: true,
+        branchPrefix: 'none'
+      }),
+      getRepo: () => repo,
+      getRepos: () => [repo],
+      getWorktreeMeta: () => meta,
+      setWorktreeMeta: (_target, updates) => (meta = { ...meta, ...updates }),
+      getFolderWorkspace: () => undefined,
+      updateFolderWorkspace: () => null,
+      getWorktreeIdForTab: () => worktree.id
+    },
+    {
+      getCommitMessageAgentEnvironmentResolvers: () => undefined,
+      notifyFolderWorkspaceChanged: vi.fn(),
+      notifyBranchRenamed,
+      notifyWorktreeFolderRenamed: vi.fn()
+    }
+  )
+  await maybeAutoRenameBranchOnFirstWork(workingEvent({ worktreeId: worktree.id }), deps)
+  expect(notifyBranchRenamed).toHaveBeenCalledWith(worktree.repoId)
+  expect(branch).toBe('fix-auth')
+  return mergeWorktree(worktree.repoId, { ...worktree, branch: `refs/heads/${branch}` }, meta)
+}