refactor(agent): dedupe harness and command workflows

src/commands/agents.add.e2e.test.ts

@@ -1,5 +1,5 @@
 import { beforeEach, describe, expect, it, vi } from "vitest";
-import type { RuntimeEnv } from "../runtime.js";
+import { baseConfigSnapshot, createTestRuntime } from "./test-runtime-config-helpers.js";
 
 const configMocks = vi.hoisted(() => ({
   readConfigFileSnapshot: vi.fn(),
@@ -26,22 +26,7 @@ vi.mock("../wizard/clack-prompter.js", () => ({
 import { WizardCancelledError } from "../wizard/prompts.js";
 import { agentsAddCommand } from "./agents.js";
 
-const runtime: RuntimeEnv = {
-  log: vi.fn(),
-  error: vi.fn(),
-  exit: vi.fn(),
-};
-
-const baseSnapshot = {
-  path: "/tmp/openclaw.json",
-  exists: true,
-  raw: "{}",
-  parsed: {},
-  valid: true,
-  config: {},
-  issues: [],
-  legacyIssues: [],
-};
+const runtime = createTestRuntime();
 
 describe("agents add command", () => {
   beforeEach(() => {
@@ -54,7 +39,7 @@ describe("agents add command", () => {
   });
 
   it("requires --workspace when flags are present", async () => {
-    configMocks.readConfigFileSnapshot.mockResolvedValue({ ...baseSnapshot });
+    configMocks.readConfigFileSnapshot.mockResolvedValue({ ...baseConfigSnapshot });
 
     await agentsAddCommand({ name: "Work" }, runtime, { hasFlags: true });
 
@@ -64,7 +49,7 @@ describe("agents add command", () => {
   });
 
   it("requires --workspace in non-interactive mode", async () => {
-    configMocks.readConfigFileSnapshot.mockResolvedValue({ ...baseSnapshot });
+    configMocks.readConfigFileSnapshot.mockResolvedValue({ ...baseConfigSnapshot });
 
     await agentsAddCommand({ name: "Work", nonInteractive: true }, runtime, {
       hasFlags: false,
@@ -76,7 +61,7 @@ describe("agents add command", () => {
   });
 
   it("exits with code 1 when the interactive wizard is cancelled", async () => {
-    configMocks.readConfigFileSnapshot.mockResolvedValue({ ...baseSnapshot });
+    configMocks.readConfigFileSnapshot.mockResolvedValue({ ...baseConfigSnapshot });
     wizardMocks.createClackPrompter.mockReturnValue({
       intro: vi.fn().mockRejectedValue(new WizardCancelledError()),
       text: vi.fn(),