fix(scripts): bypass gh wrapper shims

scripts/lib/plain-gh.mjs

@@ -3,6 +3,14 @@ import fs from "node:fs";
 import path from "node:path";
 
 export const PLAIN_GH_MAX_BUFFER_BYTES = 32 * 1024 * 1024;
+export const PLAIN_GH_SYSTEM_CANDIDATES = [
+  // Prefer package-manager opt paths: bin/gh may intentionally be an Octopool shim.
+  "/opt/homebrew/opt/gh/bin/gh",
+  "/usr/local/opt/gh/bin/gh",
+  "/home/linuxbrew/.linuxbrew/opt/gh/bin/gh",
+  "/opt/homebrew/bin/gh",
+  "/usr/local/bin/gh",
+];
 
 function isExecutable(filePath) {
   try {
@@ -32,7 +40,10 @@ export function plainGhEnv(env = process.env) {
   return next;
 }
 
-export function resolvePlainGhBin(env = process.env) {
+export function resolvePlainGhBin(
+  env = process.env,
+  systemCandidates = PLAIN_GH_SYSTEM_CANDIDATES,
+) {
   if (env.OPENCLAW_GH_BIN) {
     if (isExecutable(env.OPENCLAW_GH_BIN)) {
       return env.OPENCLAW_GH_BIN;
@@ -40,7 +51,7 @@ export function resolvePlainGhBin(env = process.env) {
     throw new Error(`OPENCLAW_GH_BIN is not executable: ${env.OPENCLAW_GH_BIN}`);
   }
 
-  for (const candidate of ["/opt/homebrew/bin/gh", "/usr/local/bin/gh"]) {
+  for (const candidate of systemCandidates) {
     if (isExecutable(candidate)) {
       return candidate;
     }

scripts/lib/plain-gh.sh

@@ -24,12 +24,12 @@ resolve_plain_gh_bin() {
   fi
 
   local candidate
-  for candidate in /opt/homebrew/bin/gh /usr/local/bin/gh; do
+  while IFS= read -r candidate; do
     if [ -x "$candidate" ]; then
       printf '%s\n' "$candidate"
       return 0
     fi
-  done
+  done < <(plain_gh_system_candidates)
 
   if candidate=$(PATH="$(plain_gh_search_path)" type -P gh 2>/dev/null); then
     printf '%s\n' "$candidate"
@@ -39,6 +39,16 @@ resolve_plain_gh_bin() {
   type -P gh 2>/dev/null
 }
 
+plain_gh_system_candidates() {
+  # bin/gh may intentionally be an Octopool shim; prefer package-manager opt paths.
+  printf '%s\n' \
+    /opt/homebrew/opt/gh/bin/gh \
+    /usr/local/opt/gh/bin/gh \
+    /home/linuxbrew/.linuxbrew/opt/gh/bin/gh \
+    /opt/homebrew/bin/gh \
+    /usr/local/bin/gh
+}
+
 plain_gh_search_path() {
   local path_value="${PATH:-}"
   local home_bin="${HOME:-}/bin"

test/scripts/plain-gh.test.ts

@@ -4,7 +4,12 @@ import { chmodSync, mkdirSync, mkdtempSync, readFileSync, rmSync, writeFileSync
 import { tmpdir } from "node:os";
 import path from "node:path";
 import { afterEach, describe, expect, it } from "vitest";
-import { execPlainGh, plainGhEnv, resolvePlainGhBin } from "../../scripts/lib/plain-gh.mjs";
+import {
+  execPlainGh,
+  plainGhEnv,
+  PLAIN_GH_SYSTEM_CANDIDATES,
+  resolvePlainGhBin,
+} from "../../scripts/lib/plain-gh.mjs";
 
 const tempDirs: string[] = [];
 
@@ -64,6 +69,16 @@ describe("plain gh helpers", () => {
     ).toBe(ghPath);
   });
 
+  it("prefers package-manager gh paths over bin shims", () => {
+    const realGh = makeFakeGh();
+    const shimGh = makeFakeGh();
+
+    expect(resolvePlainGhBin({ PATH: shimGh }, [realGh, shimGh])).toBe(realGh);
+    expect(PLAIN_GH_SYSTEM_CANDIDATES.indexOf("/opt/homebrew/opt/gh/bin/gh")).toBeLessThan(
+      PLAIN_GH_SYSTEM_CANDIDATES.indexOf("/opt/homebrew/bin/gh"),
+    );
+  });
+
   it("normalizes color environment for JSON-safe gh output", () => {
     expect(
       plainGhEnv({
@@ -135,5 +150,8 @@ describe("plain gh helpers", () => {
 
     expect(helper).toContain("type -P gh");
     expect(helper).not.toContain("command -v gh");
+    expect(helper.indexOf("/opt/homebrew/opt/gh/bin/gh")).toBeLessThan(
+      helper.indexOf("/opt/homebrew/bin/gh"),
+    );
   });
 });