fix: align shell type definitions across commands

src/commands/export.ts

@@ -5,8 +5,7 @@ import { join } from 'path';
 import { existsSync } from 'fs';
 import { getEnvs } from '@/utils/com';
 import { detectDefaultShell, detectInteractiveShellProgram, generateExportCommand } from '@/utils/env';
-
-type ShellKind = 'sh' | 'cmd' | 'powershell';
+import { ShellKind } from '@/types/common';
 
 interface ExportOptions {
   verbose?: boolean;

src/types/common.ts

@@ -1,2 +1,2 @@
-export type ShellKind = 'sh' | 'cmd' | 'powershell';
+export type ShellKind = 'sh' | 'bash' | 'zsh' | 'fish' | 'cmd' | 'powershell';
 export type EnvMap = Record<string, string>;

src/utils/env/index.ts

@@ -224,7 +224,7 @@ export async function unsetEnv(key: string | string[]): Promise<void> {
 /**
  * 检测默认shell
  */
-export function detectDefaultShell(): string {
+export function detectDefaultShell(): ShellKind {
   const shell = process.env.SHELL || process.env.COMSPEC || 'sh';
 
   if (shell.includes('bash')) return 'bash';