refactor(agent): split runner, tools, output, types

src/agent/tools.ts

@@ -0,0 +1,15 @@
+import type { AgentOptions } from "./types.js";
+import { getModel } from "@mariozechner/pi-ai";
+import { createCodingTools } from "@mariozechner/pi-coding-agent";
+
+export function resolveModel(options: AgentOptions) {
+  if (options.provider && options.model) {
+    return getModel(options.provider, options.model);
+  }
+  return getModel("kimi-coding", "kimi-k2-thinking");
+}
+
+export function resolveTools(options: AgentOptions) {
+  const cwd = options.cwd ?? process.cwd();
+  return createCodingTools(cwd);
+}