fix: restore sandbox PATH default

src/agents/bash-tools.ts

@@ -3,6 +3,7 @@ import { randomUUID } from "node:crypto";
 import { existsSync, statSync } from "node:fs";
 import fs from "node:fs/promises";
 import { homedir } from "node:os";
+import path from "node:path";
 import type { AgentTool, AgentToolResult } from "@mariozechner/pi-agent-core";
 import { Type } from "@sinclair/typebox";
 
@@ -33,6 +34,7 @@ const DEFAULT_MAX_OUTPUT = clampNumber(
   1_000,
   150_000,
 );
+const DEFAULT_PATH = "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin";
 
 const stringEnum = (
   values: readonly string[],