refactor main

agents/index.ts

@@ -6,6 +6,8 @@ import { gemini } from "./gemini.ts";
 import { opencode } from "./opencode.ts";
 import type { Agent } from "./shared.ts";
 
+export type { Agent } from "./shared.ts";
+
 export const agents = {
   claude,
   codex,

agents/shared.ts

@@ -506,7 +506,7 @@ export const agent = <const input extends AgentInput>(input: input): defineAgent
 
 export interface AgentInput {
   name: AgentName;
-  install: () => Promise<string>;
+  install: (token?: string) => Promise<string>;
   run: (config: AgentConfig) => Promise<AgentResult>;
 }