feat: support local-only git commits without remotes

src/hooks/useCommitFlow.test.ts

@@ -2,28 +2,58 @@ import { describe, it, expect, vi, beforeEach } from 'vitest'
 import { renderHook, act } from '@testing-library/react'
 import { useCommitFlow } from './useCommitFlow'
 
+const mockInvokeFn = vi.fn()
+const mockTrackEvent = vi.fn()
+
+vi.mock('@tauri-apps/api/core', () => ({
+  invoke: (command: string, args: Record<string, unknown>) => mockInvokeFn(command, args),
+}))
+
+vi.mock('../mock-tauri', () => ({
+  isTauri: () => false,
+  mockInvoke: (command: string, args: Record<string, unknown>) => mockInvokeFn(command, args),
+}))
+
+vi.mock('../lib/telemetry', () => ({
+  trackEvent: (event: string, properties?: Record<string, unknown>) => mockTrackEvent(event, properties),
+}))
+
 describe('useCommitFlow', () => {
   let savePending: vi.Mock
   let loadModifiedFiles: vi.Mock
-  let commitAndPush: vi.Mock
+  let resolveRemoteStatus: vi.Mock
   let setToastMessage: vi.Mock
   let onPushRejected: vi.Mock
 
   beforeEach(() => {
     savePending = vi.fn().mockResolvedValue(undefined)
     loadModifiedFiles = vi.fn().mockResolvedValue(undefined)
-    commitAndPush = vi.fn().mockResolvedValue({ status: 'ok', message: 'Pushed to remote' })
+    resolveRemoteStatus = vi.fn().mockResolvedValue({ branch: 'main', ahead: 0, behind: 0, hasRemote: true })
     setToastMessage = vi.fn()
     onPushRejected = vi.fn()
+    mockTrackEvent.mockReset()
+    mockInvokeFn.mockReset()
+    mockInvokeFn.mockImplementation((command: string) => {
+      if (command === 'git_commit') return Promise.resolve('[main abc1234] test commit')
+      if (command === 'git_push') return Promise.resolve({ status: 'ok', message: 'Pushed to remote' })
+      throw new Error(`Unexpected command: ${command}`)
+    })
   })
 
   function renderCommitFlow() {
-    return renderHook(() => useCommitFlow({ savePending, loadModifiedFiles, commitAndPush, setToastMessage, onPushRejected }))
+    return renderHook(() => useCommitFlow({
+      savePending,
+      loadModifiedFiles,
+      resolveRemoteStatus,
+      setToastMessage,
+      onPushRejected,
+      vaultPath: '/vault',
+    }))
   }
 
-  it('openCommitDialog saves pending, refreshes files, then opens dialog', async () => {
+  it('openCommitDialog saves pending, refreshes files, and sets local mode when no remote exists', async () => {
+    resolveRemoteStatus.mockResolvedValueOnce({ branch: 'main', ahead: 0, behind: 0, hasRemote: false })
     const { result } = renderCommitFlow()
-    expect(result.current.showCommitDialog).toBe(false)
 
     await act(async () => {
       await result.current.openCommitDialog()
@@ -31,10 +61,12 @@ describe('useCommitFlow', () => {
 
     expect(savePending).toHaveBeenCalledTimes(1)
     expect(loadModifiedFiles).toHaveBeenCalledTimes(1)
+    expect(resolveRemoteStatus).toHaveBeenCalledTimes(1)
     expect(result.current.showCommitDialog).toBe(true)
+    expect(result.current.commitMode).toBe('local')
   })
 
-  it('handleCommitPush saves pending, commits, shows toast, and refreshes files', async () => {
+  it('handleCommitPush commits and pushes when a remote is configured', async () => {
     const { result } = renderCommitFlow()
 
     await act(async () => {
@@ -42,14 +74,39 @@ describe('useCommitFlow', () => {
     })
 
     expect(savePending).toHaveBeenCalled()
-    expect(commitAndPush).toHaveBeenCalledWith('test message')
+    expect(mockInvokeFn).toHaveBeenNthCalledWith(1, 'git_commit', { vaultPath: '/vault', message: 'test message' })
+    expect(mockInvokeFn).toHaveBeenNthCalledWith(2, 'git_push', { vaultPath: '/vault' })
     expect(setToastMessage).toHaveBeenCalledWith('Committed and pushed')
     expect(loadModifiedFiles).toHaveBeenCalled()
+    expect(resolveRemoteStatus).toHaveBeenCalledTimes(2)
+    expect(mockTrackEvent).toHaveBeenCalledWith('commit_made', undefined)
     expect(result.current.showCommitDialog).toBe(false)
   })
 
+  it('handleCommitPush commits locally and skips push when no remote is configured', async () => {
+    resolveRemoteStatus.mockResolvedValue({ branch: 'main', ahead: 0, behind: 0, hasRemote: false })
+    mockInvokeFn.mockImplementation((command: string) => {
+      if (command === 'git_commit') return Promise.resolve('[main abc1234] test message')
+      throw new Error(`Unexpected command: ${command}`)
+    })
+    const { result } = renderCommitFlow()
+
+    await act(async () => {
+      await result.current.handleCommitPush('test message')
+    })
+
+    expect(mockInvokeFn).toHaveBeenCalledTimes(1)
+    expect(mockInvokeFn).toHaveBeenCalledWith('git_commit', { vaultPath: '/vault', message: 'test message' })
+    expect(setToastMessage).toHaveBeenCalledWith('Committed locally (no remote configured)')
+    expect(onPushRejected).not.toHaveBeenCalled()
+  })
+
   it('handleCommitPush calls onPushRejected when push is rejected', async () => {
-    commitAndPush.mockResolvedValueOnce({ status: 'rejected', message: 'Push rejected' })
+    mockInvokeFn.mockImplementation((command: string) => {
+      if (command === 'git_commit') return Promise.resolve('[main abc1234] test message')
+      if (command === 'git_push') return Promise.resolve({ status: 'rejected', message: 'Push rejected' })
+      throw new Error(`Unexpected command: ${command}`)
+    })
     const { result } = renderCommitFlow()
 
     await act(async () => {
@@ -61,7 +118,7 @@ describe('useCommitFlow', () => {
   })
 
   it('handleCommitPush shows error toast on failure', async () => {
-    commitAndPush.mockRejectedValueOnce(new Error('push failed'))
+    mockInvokeFn.mockImplementation(() => Promise.reject(new Error('push failed')))
     const consoleSpy = vi.spyOn(console, 'error').mockImplementation(() => {})
     const { result } = renderCommitFlow()
 
@@ -69,7 +126,7 @@ describe('useCommitFlow', () => {
       await result.current.handleCommitPush('test')
     })
 
-    expect(setToastMessage).toHaveBeenCalledWith(expect.stringContaining('Commit failed'))
+    expect(setToastMessage).toHaveBeenCalledWith('Commit failed: push failed')
     consoleSpy.mockRestore()
   })
 

src/hooks/useCommitFlow.ts

@@ -1,47 +1,115 @@
 import { useCallback, useState } from 'react'
-import type { GitPushResult } from '../types'
+import { invoke } from '@tauri-apps/api/core'
+import type { GitPushResult, GitRemoteStatus } from '../types'
 import { trackEvent } from '../lib/telemetry'
+import { isTauri, mockInvoke } from '../mock-tauri'
+
+export type CommitMode = 'push' | 'local'
+
+interface LocalCommitResult {
+  status: 'local_only'
+  message: string
+}
+
+type CommitResult = GitPushResult | LocalCommitResult
 
 interface CommitFlowConfig {
   savePending: () => Promise<void | boolean>
   loadModifiedFiles: () => Promise<void>
-  commitAndPush: (message: string) => Promise<GitPushResult>
+  resolveRemoteStatus: () => Promise<GitRemoteStatus | null>
   setToastMessage: (msg: string | null) => void
   onPushRejected?: () => void
+  vaultPath: string
 }
 
-/** Manages the Commit & Push dialog state and the save→commit→push flow. */
-export function useCommitFlow({ savePending, loadModifiedFiles, commitAndPush, setToastMessage, onPushRejected }: CommitFlowConfig) {
+function commitModeFromRemoteStatus(remoteStatus: GitRemoteStatus | null): CommitMode {
+  return remoteStatus?.hasRemote === false ? 'local' : 'push'
+}
+
+async function commitLocally(vaultPath: string, message: string): Promise<void> {
+  if (!isTauri()) {
+    await mockInvoke<string>('git_commit', { vaultPath, message })
+    return
+  }
+
+  await invoke<string>('git_commit', { vaultPath, message })
+}
+
+async function pushCommittedChanges(vaultPath: string): Promise<GitPushResult> {
+  if (!isTauri()) {
+    return mockInvoke<GitPushResult>('git_push', { vaultPath })
+  }
+
+  return invoke<GitPushResult>('git_push', { vaultPath })
+}
+
+async function executeCommitAction(vaultPath: string, message: string, commitMode: CommitMode): Promise<CommitResult> {
+  await commitLocally(vaultPath, message)
+  if (commitMode === 'local') {
+    return { status: 'local_only', message: 'Committed locally (no remote configured)' }
+  }
+
+  return pushCommittedChanges(vaultPath)
+}
+
+function commitToastMessage(result: CommitResult): string {
+  if (result.status === 'ok') return 'Committed and pushed'
+  if (result.status === 'local_only') return result.message
+  if (result.status === 'rejected') return 'Committed, but push rejected — remote has new commits. Pull first.'
+  return result.message
+}
+
+function isPushRejected(result: CommitResult): boolean {
+  return result.status === 'rejected'
+}
+
+function formatCommitError(error: unknown): string {
+  return error instanceof Error ? error.message : String(error)
+}
+
+/** Manages the commit dialog state and the save→commit→push/local flow. */
+export function useCommitFlow({
+  savePending,
+  loadModifiedFiles,
+  resolveRemoteStatus,
+  setToastMessage,
+  onPushRejected,
+  vaultPath,
+}: CommitFlowConfig) {
   const [showCommitDialog, setShowCommitDialog] = useState(false)
+  const [commitMode, setCommitMode] = useState<CommitMode>('push')
 
   const openCommitDialog = useCallback(async () => {
     await savePending()
     await loadModifiedFiles()
+    const remoteStatus = await resolveRemoteStatus()
+    setCommitMode(commitModeFromRemoteStatus(remoteStatus))
     setShowCommitDialog(true)
-  }, [savePending, loadModifiedFiles])
+  }, [loadModifiedFiles, resolveRemoteStatus, savePending])
 
   const handleCommitPush = useCallback(async (message: string) => {
     setShowCommitDialog(false)
     try {
       await savePending()
-      const result = await commitAndPush(message)
-      if (result.status === 'ok') {
-        trackEvent('commit_made')
-        setToastMessage('Committed and pushed')
-      } else if (result.status === 'rejected') {
-        setToastMessage('Committed, but push rejected — remote has new commits. Pull first.')
+      const remoteStatus = await resolveRemoteStatus()
+      const nextCommitMode = commitModeFromRemoteStatus(remoteStatus)
+      const result = await executeCommitAction(vaultPath, message, nextCommitMode)
+
+      trackEvent('commit_made')
+      setToastMessage(commitToastMessage(result))
+      if (isPushRejected(result)) {
         onPushRejected?.()
-      } else {
-        setToastMessage(result.message)
       }
-      loadModifiedFiles()
+
+      await loadModifiedFiles()
+      await resolveRemoteStatus()
     } catch (err) {
       console.error('Commit failed:', err)
-      setToastMessage(`Commit failed: ${err}`)
+      setToastMessage(`Commit failed: ${formatCommitError(err)}`)
     }
-  }, [savePending, commitAndPush, loadModifiedFiles, setToastMessage, onPushRejected])
+  }, [loadModifiedFiles, onPushRejected, resolveRemoteStatus, savePending, setToastMessage, vaultPath])
 
   const closeCommitDialog = useCallback(() => setShowCommitDialog(false), [])
 
-  return { showCommitDialog, openCommitDialog, handleCommitPush, closeCommitDialog }
+  return { showCommitDialog, commitMode, openCommitDialog, handleCommitPush, closeCommitDialog }
 }

src/hooks/useGitRemoteStatus.test.ts

@@ -0,0 +1,49 @@
+import { renderHook, waitFor, act } from '@testing-library/react'
+import { describe, expect, it, vi, beforeEach } from 'vitest'
+import { useGitRemoteStatus } from './useGitRemoteStatus'
+
+const mockInvokeFn = vi.fn()
+
+vi.mock('@tauri-apps/api/core', () => ({
+  invoke: (command: string, args: Record<string, unknown>) => mockInvokeFn(command, args),
+}))
+
+vi.mock('../mock-tauri', () => ({
+  isTauri: () => false,
+  mockInvoke: (command: string, args: Record<string, unknown>) => mockInvokeFn(command, args),
+}))
+
+describe('useGitRemoteStatus', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+  })
+
+  it('loads remote status on mount', async () => {
+    mockInvokeFn.mockResolvedValue({ branch: 'main', ahead: 0, behind: 0, hasRemote: false })
+
+    const { result } = renderHook(() => useGitRemoteStatus('/vault'))
+
+    await waitFor(() => {
+      expect(result.current.remoteStatus).toEqual({ branch: 'main', ahead: 0, behind: 0, hasRemote: false })
+    })
+    expect(mockInvokeFn).toHaveBeenCalledWith('git_remote_status', { vaultPath: '/vault' })
+  })
+
+  it('refreshRemoteStatus updates the current remote state', async () => {
+    mockInvokeFn
+      .mockResolvedValueOnce({ branch: 'main', ahead: 0, behind: 0, hasRemote: true })
+      .mockResolvedValueOnce({ branch: 'main', ahead: 1, behind: 0, hasRemote: false })
+
+    const { result } = renderHook(() => useGitRemoteStatus('/vault'))
+
+    await waitFor(() => {
+      expect(result.current.remoteStatus?.hasRemote).toBe(true)
+    })
+
+    await act(async () => {
+      await result.current.refreshRemoteStatus()
+    })
+
+    expect(result.current.remoteStatus).toEqual({ branch: 'main', ahead: 1, behind: 0, hasRemote: false })
+  })
+})

src/hooks/useGitRemoteStatus.ts

@@ -0,0 +1,52 @@
+import { useCallback, useEffect, useState } from 'react'
+import { invoke } from '@tauri-apps/api/core'
+import { isTauri, mockInvoke } from '../mock-tauri'
+import type { GitRemoteStatus } from '../types'
+
+function tauriCall<T>(command: string, args: Record<string, unknown>): Promise<T> {
+  return isTauri() ? invoke<T>(command, args) : mockInvoke<T>(command, args)
+}
+
+export interface GitRemoteState {
+  remoteStatus: GitRemoteStatus | null
+  refreshRemoteStatus: () => Promise<GitRemoteStatus | null>
+}
+
+async function readRemoteStatus(vaultPath: string): Promise<GitRemoteStatus> {
+  return tauriCall<GitRemoteStatus>('git_remote_status', { vaultPath })
+}
+
+export function useGitRemoteStatus(vaultPath: string): GitRemoteState {
+  const [remoteStatus, setRemoteStatus] = useState<GitRemoteStatus | null>(null)
+
+  const refreshRemoteStatus = useCallback(async () => {
+    try {
+      const status = await readRemoteStatus(vaultPath)
+      setRemoteStatus(status)
+      return status
+    } catch {
+      setRemoteStatus(null)
+      return null
+    }
+  }, [vaultPath])
+
+  useEffect(() => {
+    let cancelled = false
+
+    async function loadRemoteStatus() {
+      try {
+        const status = await readRemoteStatus(vaultPath)
+        if (!cancelled) setRemoteStatus(status)
+      } catch {
+        if (!cancelled) setRemoteStatus(null)
+      }
+    }
+
+    void loadRemoteStatus()
+    return () => {
+      cancelled = true
+    }
+  }, [vaultPath])
+
+  return { remoteStatus, refreshRemoteStatus }
+}