fix: correct AgentCommandValue type (#35)

Author: benmccann

.github/workflows/test.yml

@@ -27,6 +27,8 @@ jobs:
           node-version: ${{ matrix.node-version }}
       - name: Install
         run: pnpm install
+      - name: Build
+        run: pnpm build
       - name: Lint
         run: pnpm run lint
       - name: Test

src/types.ts

@@ -1,7 +1,7 @@
 export type Agent = 'npm' | 'yarn' | 'yarn@berry' | 'pnpm' | 'pnpm@6' | 'bun' | 'deno'
 export type AgentName = 'npm' | 'yarn' | 'pnpm' | 'bun' | 'deno'
 
-export type AgentCommandValue = (string | number)[] | ((args?: string[]) => string[]) | null
+export type AgentCommandValue = (string | number)[] | ((args: string[]) => string[]) | null
 
 export interface AgentCommands {
   'agent': AgentCommandValue