fix: 卸载时通过注册表同步自定义数据目录，确保完整清理

- 新增 syncDataDirToRegistry：设置/重置数据目录时同步写入 Windows 注册表
- NSIS 卸载脚本通过注册表读取自定义目录路径并删除
- 清理 NSIS 废弃的安装器 DataDir 选择页（已移至应用内 onboarding）
- onboarding 页面添加 overflow-hidden 消除滚动条

resources/installer.nsh

@@ -8,63 +8,15 @@
 ; 因为 electron-builder 的 installSection.nsh 会在 section 开头设 SetDetailsPrint none，
 ; 但 SHOW 回调在 section 执行前触发，此时写入的文字会保留在日志面板中。
 
-Var DataDirDialog
-Var DataDirLabel
-Var DataDirText
-Var DataDirBrowseBtn
-Var DataDirPath
-
 !macro customHeader
   ShowInstDetails nevershow
   ShowUnInstDetails show
 !macroend
 
-!macro customPageAfterChangeDir
-  Page custom DataDirPage DataDirPageLeave
-!macroend
-
-Function DataDirPage
-  nsDialogs::Create 1018
-  Pop $DataDirDialog
-  ${If} $DataDirDialog == error
-    Abort
-  ${EndIf}
-
-  ${NSD_CreateLabel} 0 0 100% 24u "选择数据存储目录（OpenClaw 运行时数据、缓存等）："
-  Pop $DataDirLabel
-
-  ${NSD_CreateText} 0 28u 85% 12u "$APPDATA\easiest-claw-desktop"
-  Pop $DataDirText
-
-  ${NSD_CreateButton} 87% 27u 13% 14u "浏览..."
-  Pop $DataDirBrowseBtn
-  ${NSD_OnClick} $DataDirBrowseBtn DataDirBrowse
-
-  nsDialogs::Show
-FunctionEnd
-
-Function DataDirBrowse
-  nsDialogs::SelectFolderDialog "选择数据存储目录" "$APPDATA"
-  Pop $0
-  ${If} $0 != error
-    ${NSD_SetText} $DataDirText $0
-  ${EndIf}
-FunctionEnd
-
-Function DataDirPageLeave
-  ${NSD_GetText} $DataDirText $DataDirPath
-FunctionEnd
-
 !macro customInstall
   SetDetailsPrint both
   DetailPrint "程序文件安装完成。"
 
-  ; 写入用户选择的数据目录到注册表
-  ${If} $DataDirPath != ""
-    WriteRegStr HKCU "Software\EasiestClaw" "DataDir" $DataDirPath
-    DetailPrint "数据目录已设置为: $DataDirPath"
-  ${EndIf}
-
   DetailPrint "正在配置 Windows 防火墙规则..."
   DetailPrint "删除旧规则（如存在）..."
   nsExec::ExecToStack 'netsh advfirewall firewall delete rule name="EasiestClaw"'

src/main/index.ts

@@ -4,6 +4,7 @@ import { spawn } from 'child_process'
 import { existsSync, writeFileSync, readFileSync } from 'fs'
 import { electronApp, optimizer, is } from '@electron-toolkit/utils'
 import { registerAllIpcHandlers } from './ipc'
+import { syncDataDirToRegistry } from './ipc/settings'
 import { startRuntime, stopRuntime } from './gateway/runtime'
 import { autoSpawnBundledOpenclaw, addGatewayLogListener, getGatewayLogBuffer } from './gateway/bundled-process'
 import { extractOpenClawIfNeeded, getExtractState, confirmUpgrade, skipUpgrade } from './openclaw-init'
@@ -167,6 +168,7 @@ app.whenReady().then(async () => {
     })
     if (result.canceled || !result.filePaths[0]) return { ok: false }
     patchSettings({ customDataDir: result.filePaths[0], dataLocationSelected: true } as Record<string, unknown>)
+    syncDataDirToRegistry(result.filePaths[0])
     return { ok: true, dir: result.filePaths[0] }
   })
 

src/main/ipc/settings.ts

@@ -2,9 +2,36 @@ import type { IpcMain } from 'electron'
 import { app } from 'electron'
 import fs from 'node:fs'
 import path from 'node:path'
+import { execFile } from 'node:child_process'
 import { loadSettings, patchSettings, loadOpenclawDefaults } from '../gateway/settings'
 import { restartRuntime } from '../gateway/runtime'
 import { getDataDir } from '../lib/data-dir'
+import { logger } from '../lib/logger'
+
+const REG_KEY = 'HKCU\\Software\\EasiestClaw'
+
+/**
+ * 同步自定义数据目录到 Windows 注册表（供 NSIS 卸载脚本读取）。
+ * 传 undefined 时删除整个注册表键。
+ */
+export function syncDataDirToRegistry(dir: string | undefined): void {
+  if (process.platform !== 'win32') return
+  try {
+    if (dir) {
+      execFile('reg', ['add', REG_KEY, '/v', 'DataDir', '/t', 'REG_SZ', '/d', dir, '/f'],
+        { windowsHide: true }, (err) => {
+          if (err) logger.warn(`[Registry] failed to write DataDir: ${err.message}`)
+        })
+    } else {
+      execFile('reg', ['delete', REG_KEY, '/f'],
+        { windowsHide: true }, (err) => {
+          if (err) logger.warn(`[Registry] failed to delete key: ${err.message}`)
+        })
+    }
+  } catch {
+    // non-critical, ignore
+  }
+}
 
 export const registerSettingsHandlers = (ipcMain: IpcMain): void => {
   // Load current app settings (gateway URL/token, avatars)
@@ -94,6 +121,7 @@ export const registerSettingsHandlers = (ipcMain: IpcMain): void => {
       patchSettings({ customDataDir: dir })
     }
 
+    syncDataDirToRegistry(dir)
     return { ok: true, needRestart: true }
   })
 
@@ -116,6 +144,7 @@ export const registerSettingsHandlers = (ipcMain: IpcMain): void => {
     } else {
       patchSettings({ customDataDir: undefined })
     }
+    syncDataDirToRegistry(undefined)
     return { ok: true, needRestart: true }
   })
 }

src/renderer/src/components/onboarding/onboarding-flow.tsx

@@ -516,7 +516,7 @@ function ProfileSetupStep({ onDone }: { onDone: () => void }) {
 
 export function GatewayLoadingScreen() {
   return (
-    <div className="h-screen relative flex items-center justify-center bg-background"
+    <div className="h-screen relative flex items-center justify-center bg-background overflow-hidden"
       style={{ WebkitAppRegion: "drag" } as React.CSSProperties}
     >
       <div className="absolute top-4 right-4 flex items-center gap-1 z-10"
@@ -575,14 +575,14 @@ export function OnboardingFlow({ onDone }: OnboardingFlowProps) {
 
   if (checkingDataLocation) {
     return (
-      <div className="h-screen relative flex items-center justify-center bg-background">
+      <div className="h-screen relative flex items-center justify-center bg-background overflow-hidden">
         <Loader2 className="h-8 w-8 text-primary animate-spin" />
       </div>
     )
   }
 
   return (
-    <div className="h-screen relative flex items-center justify-center bg-background"
+    <div className="h-screen relative flex items-center justify-center bg-background overflow-hidden"
       style={{ WebkitAppRegion: "drag" } as React.CSSProperties}
     >
       {/* 窗口控件 — 始终可见 */}