store downloaded apps under user app directory

src/main/index.ts

@@ -57,11 +57,28 @@ function getLauncherDir(): string {
   return dirname(process.execPath)
 }
 
-function resolveExecPath(execPath?: string): string | undefined {
-  if (!execPath) return undefined
-  return execPath.startsWith('./')
-    ? join(getLauncherDir(), execPath.slice(2))
-    : execPath
+function getUserAppsDir(): string {
+  return join(app.getPath('home'), '.local', 'share', 'autonomy-studio', 'apps')
+}
+
+function sanitizeAppFileName(appName: string): string {
+  return appName.trim().replace(/[^a-z0-9._-]+/gi, '-').replace(/^-+|-+$/g, '') || 'app'
+}
+
+function getDefaultExecPath(appName?: string): string | undefined {
+  if (!appName) return undefined
+  return join(getUserAppsDir(), `${sanitizeAppFileName(appName)}.AppImage`)
+}
+
+function resolveExecPath(execPath?: string, appName?: string): string | undefined {
+  const trimmed = execPath?.trim()
+  if (!trimmed) return getDefaultExecPath(appName)
+  if (trimmed.startsWith('~/')) return join(app.getPath('home'), trimmed.slice(2))
+  if (trimmed.startsWith('${HOME}/')) return join(app.getPath('home'), trimmed.slice('${HOME}/'.length))
+  if (trimmed.startsWith('$HOME/')) return join(app.getPath('home'), trimmed.slice('$HOME/'.length))
+  return trimmed.startsWith('./') || trimmed.startsWith('../')
+    ? resolve(getUserAppsDir(), trimmed)
+    : trimmed
 }
 
 function getWorkspaceRoot(): string {
@@ -658,7 +675,7 @@ function createWindow(): void {
       }
     }
 
-    const targetPath = resolveExecPath(payload.execPath)
+    const targetPath = resolveExecPath(payload.execPath, payload.appName)
 
     return {
       installed: targetPath ? existsSync(targetPath) : false,
@@ -673,7 +690,7 @@ function createWindow(): void {
     execPath?: string
     latestVersion?: string
   }) => {
-    const targetPath = resolveExecPath(payload.execPath)
+    const targetPath = resolveExecPath(payload.execPath, payload.appName)
     if (!targetPath) throw new Error('설치 경로가 설정되지 않았습니다.')
 
     await downloadFile(payload.downloadUrl, targetPath, (progress) => {
@@ -781,7 +798,7 @@ function createWindow(): void {
     mainWindow.minimize()
 
     // ── 별도 Electron 프로세스로 실행 ──
-    const resolvedExecPath = resolveExecPath(execPath)
+    const resolvedExecPath = resolveExecPath(execPath, appName)
     const resolvedDevAppPath = resolveDevAppPath(devAppPath) ?? getDefaultDevAppPath(appName)
     if (is.dev && resolvedDevAppPath && !isRunnableDevAppPath(resolvedDevAppPath)) {
       dialog.showErrorBox(