refactor: dedupe agent and reply runtimes

src/agents/pi-tools.policy.test.ts

@@ -1,5 +1,3 @@
-import type { AgentTool, AgentToolResult } from "@mariozechner/pi-agent-core";
-import { Type } from "@sinclair/typebox";
 import { describe, expect, it } from "vitest";
 import type { OpenClawConfig } from "../config/config.js";
 import {
@@ -7,16 +5,7 @@ import {
   isToolAllowedByPolicyName,
   resolveSubagentToolPolicy,
 } from "./pi-tools.policy.js";
-
-function createStubTool(name: string): AgentTool {
-  return {
-    name,
-    label: name,
-    description: "",
-    parameters: Type.Object({}),
-    execute: async () => ({}) as AgentToolResult<unknown>,
-  };
-}
+import { createStubTool } from "./test-helpers/pi-tool-stubs.js";
 
 describe("pi-tools.policy", () => {
   it("treats * in allow as allow-all", () => {