新增消息撤回功能，新增消息跟随功能，改进桌面版对话体验、联网搜索能力，以及第三方模型兼容性。

README.md

@@ -176,70 +176,6 @@ http://127.0.0.1:2024
 
 ---
 
-## 赞助与合作
-
-本项目由个人利用业余时间维护，欢迎企业或个人赞助支持持续开发，也可洽谈定制、集成或商务合作。
-
-<table>
-  <thead>
-    <tr>
-      <th width="220">赞助商</th>
-      <th align="left">介绍</th>
-    </tr>
-  </thead>
-  <tbody>
-    <tr>
-      <td align="center" valign="middle">
-        <a href="https://jiekou.ai/referral?invited_code=OBNU3K">
-          <img src="docs/images/sponsors/jiekou-logo.svg" width="72" alt="接口AI"><br>
-          <strong>接口AI</strong>
-        </a>
-      </td>
-      <td valign="middle">
-        感谢 <a href="https://jiekou.ai/referral?invited_code=OBNU3K">接口AI</a> 赞助本项目！接口AI 提供官方资源直供与稳定高性能 API 体验，订阅包价格为官方 8 折；使用 <a href="https://jiekou.ai/referral?invited_code=OBNU3K">专属链接</a> 注册并绑定 GitHub，可领取 3 美元优惠券。
-      </td>
-    </tr>
-    <tr>
-      <td align="center" valign="middle">
-        <a href="https://www.shengsuanyun.com/?from=CH_LEJ88KWR">
-          <img src="docs/images/sponsors/shengsuanyun-logo.svg" width="180" alt="胜算云">
-        </a>
-      </td>
-      <td valign="middle">
-        感谢 <a href="https://www.shengsuanyun.com/?from=CH_LEJ88KWR">胜算云</a> 赞助本项目！胜算云是面向 AI Native Teams 的工业级 AI 任务并行执行平台，聚合 Claude、ChatGPT、Gemini 等海内外 LLM 及图片、视频多媒体模型算力；官方直连、非逆向，平台 SLA 可用性达 99.7%，可查看 <a href="https://watch.shengsuanyun.com/status/shengsuanyun">服务状态</a>。平台支持企业专属网关、成本与权限管控、智能路由、安全防护和 BYOK，按量与 tokens plan（即将上线）计费并可开票；使用 <a href="https://www.shengsuanyun.com/?from=CH_LEJ88KWR">专属链接</a> 注册可获 10 元模力及首充 10% 赠送。
-      </td>
-    </tr>
-  </tbody>
-</table>
-
-📧 **联系邮箱**：relakkes@gmail.com
-
----
-
-## ☕ 请作者喝杯咖啡
-
-如果这个项目对您有帮助，欢迎打赏支持，您的每一份支持都是我持续更新的动力 ❤️
-
-<table>
-<tr>
-<td align="center" width="33%">
-<img src="docs/images/donate/wechat_pay.jpeg" width="250" alt="微信赞赏"><br>
-<b>微信赞赏</b>
-</td>
-<td align="center" width="33%">
-<img src="docs/images/donate/zfb_pay.png" width="250" alt="支付宝"><br>
-<b>支付宝</b>
-</td>
-<td align="center" width="33%">
-<a href="https://buymeacoffee.com/relakkes" target="_blank">
-<img src="docs/images/donate/bmc_button.png" width="250" alt="Buy Me a Coffee">
-</a><br>
-<b>Buy Me a Coffee</b>
-</td>
-</tr>
-</table>
-
----
 
 ## 技术栈
 
@@ -284,20 +220,10 @@ http://127.0.0.1:2024
 
 ---
 
-## ⭐ Star 趋势图
-
-如果这个项目对您有帮助，请给个 ⭐ Star 支持一下，让更多的人看到 Claude Code Haha！
-
-<a href="https://www.star-history.com/#NanmiCoder/cc-haha&Date">
-  <picture>
-    <source media="(prefers-color-scheme: dark)" srcset="https://api.star-history.com/svg?repos=NanmiCoder/cc-haha&type=Date&theme=dark" />
-    <source media="(prefers-color-scheme: light)" srcset="https://api.star-history.com/svg?repos=NanmiCoder/cc-haha&type=Date" />
-    <img alt="Star History Chart" src="https://api.star-history.com/svg?repos=NanmiCoder/cc-haha&type=Date" />
-  </picture>
-</a>
+## Disclaimer
 
----
+本仓库基于 [cc-haha](https://github.com/NanmiCoder/cc-haha) 进行二次开发，其中 Claude Code 原始源码的版权归 [Anthropic](https://www.anthropic.com) 所有，该部分仅可用于学习与研究用途。
 
-## Disclaimer
+cc-haha 原项目的整体版权归其原作者所有；本仓库**自主修改与新增的代码部分**，允许任何人自由分发、修改与使用。
 
-本仓库基于 2026-03-31 从 Anthropic npm registry 泄露的 Claude Code 源码。所有原始源码版权归 [Anthropic](https://www.anthropic.com) 所有。仅供学习和研究用途。
+原项目地址：https://github.com/NanmiCoder/cc-haha

desktop/scripts/build-windows-x64.ps1

@@ -141,6 +141,44 @@ function Resolve-OutputDirectory {
   return $PreferredPath
 }
 
+function Remove-PathIfExists {
+  param([string]$Path)
+
+  if (Test-Path -LiteralPath $Path) {
+    Remove-Item -LiteralPath $Path -Force -Recurse
+  }
+}
+
+function Remove-AppBuildCache {
+  param([string]$ReleaseDir)
+
+  if (-not (Test-Path -LiteralPath $ReleaseDir)) {
+    return
+  }
+
+  Remove-PathIfExists -Path (Join-Path $ReleaseDir 'bundle')
+  Remove-PathIfExists -Path (Join-Path $ReleaseDir 'claude-code-desktop.exe')
+
+  $buildDir = Join-Path $ReleaseDir 'build'
+  if (Test-Path -LiteralPath $buildDir) {
+    Get-ChildItem -LiteralPath $buildDir -Directory -Filter 'claude-code-desktop-*' -ErrorAction SilentlyContinue |
+      ForEach-Object { Remove-PathIfExists -Path $_.FullName }
+  }
+
+  $fingerprintDir = Join-Path $ReleaseDir '.fingerprint'
+  if (Test-Path -LiteralPath $fingerprintDir) {
+    Get-ChildItem -LiteralPath $fingerprintDir -Directory -Filter 'claude-code-desktop-*' -ErrorAction SilentlyContinue |
+      ForEach-Object { Remove-PathIfExists -Path $_.FullName }
+  }
+
+  $depsDir = Join-Path $ReleaseDir 'deps'
+  if (Test-Path -LiteralPath $depsDir) {
+    Get-ChildItem -LiteralPath $depsDir -File -ErrorAction SilentlyContinue |
+      Where-Object { $_.Name -like 'claude_code_desktop-*' -or $_.Name -like 'libclaude_code_desktop-*' } |
+      ForEach-Object { Remove-PathIfExists -Path $_.FullName }
+  }
+}
+
 Assert-WindowsHost
 Assert-Command bun
 
@@ -189,6 +227,47 @@ if ($env:SKIP_INSTALL -ne '1') {
   }
 }
 
+Write-Step 'Cleaning stale frontend output, sidecar binaries, and Tauri app cache...'
+Get-ChildItem -LiteralPath (Join-Path $desktopDir 'src-tauri\binaries') -Filter 'claude-sidecar-*' -File -ErrorAction SilentlyContinue |
+  ForEach-Object { Remove-PathIfExists -Path $_.FullName }
+Remove-PathIfExists -Path (Join-Path $desktopDir 'dist')
+Remove-PathIfExists -Path (Join-Path $desktopDir 'tsconfig.tsbuildinfo')
+
+$targetReleaseDir = Join-Path $tauriTargetDir "$targetTriple\release"
+$fallbackReleaseDir = Join-Path $tauriTargetDir 'release'
+if ($env:PRESERVE_TAURI_TARGET -eq '1') {
+  Write-Step 'PRESERVE_TAURI_TARGET=1: keeping Rust dependency cache, clearing app-specific artifacts only...'
+  Remove-AppBuildCache -ReleaseDir $targetReleaseDir
+  Remove-AppBuildCache -ReleaseDir $fallbackReleaseDir
+} else {
+  Write-Step "Removing Tauri target cache for $targetTriple to force fresh embedded frontend assets..."
+  Remove-PathIfExists -Path (Join-Path $tauriTargetDir $targetTriple)
+  Remove-AppBuildCache -ReleaseDir $fallbackReleaseDir
+}
+
+Write-Step 'Rebuilding frontend (tsc + vite)...'
+Push-Location $desktopDir
+try {
+  & bun run build
+  if ($LASTEXITCODE -ne 0) {
+    throw "[build-windows-x64] bun run build failed (exit $LASTEXITCODE)"
+  }
+} finally {
+  Pop-Location
+}
+
+Write-Step "Rebuilding sidecar for $targetTriple..."
+Push-Location $desktopDir
+try {
+  $env:TAURI_ENV_TARGET_TRIPLE = $targetTriple
+  & bun run build:sidecars
+  if ($LASTEXITCODE -ne 0) {
+    throw "[build-windows-x64] bun run build:sidecars failed (exit $LASTEXITCODE)"
+  }
+} finally {
+  Pop-Location
+}
+
 $tauriBuildArgs = @(
   'tauri',
   'build',
@@ -199,18 +278,20 @@ $tauriBuildArgs = @(
   '--ci'
 )
 
-$tempConfigPath = $null
+$tempConfigPath = Join-Path ([System.IO.Path]::GetTempPath()) 'cc-haha.tauri.local.windows.json'
+$tempConfig = @{
+  build = @{
+    beforeBuildCommand = 'cmd /c exit /b 0'
+  }
+}
 if (-not $env:TAURI_SIGNING_PRIVATE_KEY) {
-  $tempConfigPath = Join-Path ([System.IO.Path]::GetTempPath()) 'cc-haha.tauri.local.windows.json'
-  $tempConfig = @{
-    bundle = @{
-      createUpdaterArtifacts = $false
-    }
-  } | ConvertTo-Json -Depth 10
-  Set-Content -Path $tempConfigPath -Value $tempConfig -Encoding UTF8
+  $tempConfig.bundle = @{
+    createUpdaterArtifacts = $false
+  }
   Write-Step 'TAURI_SIGNING_PRIVATE_KEY not set, disabling updater artifacts for local build'
-  $tauriBuildArgs += @('--config', $tempConfigPath)
 }
+Set-Content -Path $tempConfigPath -Value ($tempConfig | ConvertTo-Json -Depth 10) -Encoding UTF8
+$tauriBuildArgs += @('--config', $tempConfigPath)
 
 if ($null -ne $TauriArgs) {
   $remainingArgs = @($TauriArgs)

desktop/src/__tests__/generalSettings.test.tsx

@@ -255,6 +255,20 @@ describe('Settings > General tab', () => {
     })
   })
 
+  it('saves DuckDuckGo keyless WebSearch mode', () => {
+    render(<Settings />)
+
+    fireEvent.click(screen.getByText('General'))
+    fireEvent.click(screen.getByRole('button', { name: 'DuckDuckGo' }))
+    fireEvent.click(screen.getByRole('button', { name: 'Save' }))
+
+    expect(useSettingsStore.getState().setWebSearch).toHaveBeenCalledWith({
+      mode: 'duckduckgo',
+      tavilyApiKey: '',
+      braveApiKey: '',
+    })
+  })
+
   it('links to WebSearch provider API key dashboards', () => {
     render(<Settings />)
 

desktop/src/__tests__/pages.test.tsx

@@ -591,7 +591,7 @@ describe('Content-only pages render without errors', () => {
     expect(screen.getByText('Slash commands')).toBeInTheDocument()
     expect(screen.getByText('/clear')).toBeInTheDocument()
     expect(screen.getByText('/cost')).toBeInTheDocument()
-    expect(screen.getByText('13 more commands available. Type / to search the full command list.')).toBeInTheDocument()
+    expect(screen.getByText('15 more commands available. Type / to search the full command list.')).toBeInTheDocument()
 
     resetPageStores()
   })

desktop/src/components/chat/ChatInput.test.tsx

@@ -428,4 +428,68 @@ describe('ChatInput file mentions', () => {
       attachments: [{ name: 'conditions.py', path: '/repo/backend/src/conditions.py' }],
     })
   })
+
+  it('restores recalled file attachments into the composer', async () => {
+    useChatStore.setState({
+      sessions: {
+        [sessionId]: {
+          messages: [{ id: 'existing', type: 'assistant_text', content: 'ready', timestamp: 1 }],
+          chatState: 'idle',
+          connectionState: 'connected',
+          streamingText: '',
+          streamingToolInput: '',
+          activeToolUseId: null,
+          activeToolName: null,
+          activeThinkingId: null,
+          pendingPermission: null,
+          pendingComputerUsePermission: null,
+          tokenUsage: { input_tokens: 0, output_tokens: 0 },
+          elapsedSeconds: 0,
+          statusVerb: '',
+          slashCommands: [],
+          agentTaskNotifications: {},
+          elapsedTimer: null,
+          composerPrefill: {
+            text: 'Update this section',
+            nonce: 1,
+            attachments: [{
+              type: 'file',
+              name: 'App.tsx',
+              path: 'src/App.tsx',
+              lineStart: 12,
+              lineEnd: 18,
+              note: 'tighten copy',
+              quote: '<Header />',
+            }],
+          },
+        },
+      },
+    })
+
+    render(<ChatInput compact />)
+
+    const input = screen.getByRole('textbox') as HTMLTextAreaElement
+    await waitFor(() => {
+      expect(input.value).toBe('Update this section')
+    })
+    expect(screen.getByRole('button', { name: 'Remove App.tsx' })).toBeInTheDocument()
+
+    fireEvent.keyDown(input, { key: 'Enter' })
+
+    expect(mocks.wsSend).toHaveBeenCalledWith(sessionId, {
+      type: 'user_message',
+      content: 'Update this section',
+      attachments: [{
+        type: 'file',
+        name: 'App.tsx',
+        path: 'src/App.tsx',
+        data: undefined,
+        mimeType: undefined,
+        lineStart: 12,
+        lineEnd: 18,
+        note: 'tighten copy',
+        quote: '<Header />',
+      }],
+    })
+  })
 })

desktop/src/components/chat/ChatInput.tsx

@@ -150,14 +150,19 @@ export function ChatInput({ variant = 'default', compact = false }: ChatInputPro
     setInput(composerPrefill.text)
     setAttachments(
       (composerPrefill.attachments ?? [])
-        .filter((attachment) => attachment.type === 'image' || attachment.data)
+        .filter((attachment) => attachment.type === 'image' || attachment.data || attachment.path)
         .map((attachment, index) => ({
           id: `rewind-prefill-${composerPrefill.nonce}-${index}`,
           name: attachment.name,
           type: attachment.type,
+          path: attachment.path,
           mimeType: attachment.mimeType,
           previewUrl: attachment.type === 'image' ? attachment.data : undefined,
           data: attachment.data,
+          lineStart: attachment.lineStart,
+          lineEnd: attachment.lineEnd,
+          note: attachment.note,
+          quote: attachment.quote,
         })),
     )
     setPlusMenuOpen(false)