fix: update pi-agent-core integration

src/agents/bash-tools.ts

@@ -1,6 +1,7 @@
 import { type ChildProcessWithoutNullStreams, spawn } from "node:child_process";
 import { randomUUID } from "node:crypto";
-import type { AgentTool, AgentToolResult } from "@mariozechner/pi-ai";
+import type { AgentTool, AgentToolResult } from "@mariozechner/pi-agent-core";
+import { StringEnum } from "@mariozechner/pi-ai";
 import { Type } from "@sinclair/typebox";
 
 import {