fix: default codex-cli sandbox to workspace-write

Landed from contributor PR #39336 by @0xtangping.

Co-authored-by: john <john.j@min123.net>

src/agents/cli-backends.test.ts

@@ -3,6 +3,31 @@ import type { OpenClawConfig } from "../config/config.js";
 import { resolveCliBackendConfig } from "./cli-backends.js";
 
 describe("resolveCliBackendConfig reliability merge", () => {
+  it("defaults codex-cli to workspace-write for fresh and resume runs", () => {
+    const resolved = resolveCliBackendConfig("codex-cli");
+
+    expect(resolved).not.toBeNull();
+    expect(resolved?.config.args).toEqual([
+      "exec",
+      "--json",
+      "--color",
+      "never",
+      "--sandbox",
+      "workspace-write",
+      "--skip-git-repo-check",
+    ]);
+    expect(resolved?.config.resumeArgs).toEqual([
+      "exec",
+      "resume",
+      "{sessionId}",
+      "--color",
+      "never",
+      "--sandbox",
+      "workspace-write",
+      "--skip-git-repo-check",
+    ]);
+  });
+
   it("deep-merges reliability watchdog overrides for codex", () => {
     const cfg = {
       agents: {

src/agents/cli-backends.ts

@@ -71,7 +71,15 @@ const DEFAULT_CLAUDE_BACKEND: CliBackendConfig = {
 
 const DEFAULT_CODEX_BACKEND: CliBackendConfig = {
   command: "codex",
-  args: ["exec", "--json", "--color", "never", "--sandbox", "read-only", "--skip-git-repo-check"],
+  args: [
+    "exec",
+    "--json",
+    "--color",
+    "never",
+    "--sandbox",
+    "workspace-write",
+    "--skip-git-repo-check",
+  ],
   resumeArgs: [
     "exec",
     "resume",
@@ -79,7 +87,7 @@ const DEFAULT_CODEX_BACKEND: CliBackendConfig = {
     "--color",
     "never",
     "--sandbox",
-    "read-only",
+    "workspace-write",
     "--skip-git-repo-check",
   ],
   output: "jsonl",