fix: wrap main execution in try/catch to show errors instead of silent exit

scripts/install.ps1

@@ -1041,45 +1041,53 @@ function Invoke-Upgrade {
 # ─────────────────────────────────────────
 # 主流程
 # ─────────────────────────────────────────
-"" | Out-File $LOG_FILE
+try {
+    "" | Out-File $LOG_FILE
 
-# 检测是否是 iex / 管道执行（如 irm | iex）
+    # 检测是否是 iex / 管道执行（如 irm | iex）
-$isIexExecution = -not $PSCommandPath
+    $isIexExecution = -not $PSCommandPath
 
-Setup-InstallDir
+    Setup-InstallDir
-Check-Prerequisites
+    Check-Prerequisites
-Collect-Status
+    Collect-Status
 
-Write-Host ""
-Write-Host "╔══════════════════════════════════════════════════════════════════╗" -ForegroundColor White
-Write-Host "║                    HAPI 系统状态                                 ║" -ForegroundColor White
-Write-Host "╚══════════════════════════════════════════════════════════════════╝" -ForegroundColor White
-Write-Host ""
-Print-Status
-
-# 非交互模式（irm | iex）
-if ($isIexExecution) {
-    if ($Upgrade) {
-        Invoke-Upgrade
-        Start-Sleep 3
-        exit
-    }
-    if ($Force -or $Source -or $SkipHub -or $InstallDir) {
-        Invoke-Install
-        Start-Sleep 3
-        exit
-    }
-    if (-not $script:STATUS_CLI_INSTALLED) {
-        Write-Host ""
-        Write-Warn "HAPI CLI 未安装"
-        Write-Warn "请使用 -Source / -Force 等参数指定操作，或直接运行 install.ps1 进入交互模式"
-    }
     Write-Host ""
-    Start-Sleep 3
+    Write-Host "╔══════════════════════════════════════════════════════════════════╗" -ForegroundColor White
-    exit
+    Write-Host "║                    HAPI 系统状态                                 ║" -ForegroundColor White
-}
+    Write-Host "╚══════════════════════════════════════════════════════════════════╝" -ForegroundColor White
+    Write-Host ""
+    Print-Status
 
-# 交互菜单
+    # 非交互模式（irm | iex）
-while ($true) {
+    if ($isIexExecution) {
-    Main-Menu
+        if ($Upgrade) {
+            Invoke-Upgrade
+            Start-Sleep 3
+            exit
+        }
+        if ($Force -or $Source -or $SkipHub -or $InstallDir) {
+            Invoke-Install
+            Start-Sleep 3
+            exit
+        }
+        if (-not $script:STATUS_CLI_INSTALLED) {
+            Write-Host ""
+            Write-Warn "HAPI CLI 未安装"
+            Write-Warn "请使用 -Source / -Force 等参数指定操作，或直接运行 install.ps1 进入交互模式"
+        }
+        Write-Host ""
+        Start-Sleep 3
+        exit
+    }
+
+    # 交互菜单
+    while ($true) {
+        Main-Menu
+    }
+} catch {
+    Write-Host ""
+    Write-Err "脚本错误: $_"
+    Write-Host "按 Enter 退出..."
+    $null = Read-Host
+    exit 1
 }