fix: remove references to corepack (#10138)

Currently, our `npm publish` logic is failing.

There were a number of things that were merged recently that seemed to
contribute to this situation, though I think we have fixed most of them,
but this one stands out:

https://github.com/openai/codex/pull/10115

As best I can tell, we tried to fix the pnpm version to a specific hash,
but we did not do it consistently (though `shell-tool-mcp/package.json`
had it specified twice...), so for this PR, I ran:

```
$ git ls-files | grep package.json
codex-cli/package.json
codex-rs/responses-api-proxy/npm/package.json
package.json
sdk/typescript/package.json
shell-tool-mcp/package.json
```

and ensured that all of them now have this line:

```json
  "packageManager": "pnpm@10.28.2+sha512.41872f037ad22f7348e3b1debbaf7e867cfd448f2726d9cf74c08f19507c31d2c8e7a11525b983febc2df640b5438dee6023ebb1f84ed43cc2d654d2bc326264"
```

I also went and deleted all of the `corepack` stuff that was added by
https://github.com/openai/codex/pull/10115.

If someone can explain why we need it and verify it does not break `npm
publish`, then we can bring it back.

.github/workflows/shell-tool-mcp-ci.yml

@@ -35,15 +35,6 @@ jobs:
           node-version: ${{ env.NODE_VERSION }}
           cache: "pnpm"
 
-      - name: Enable Corepack
-        run: corepack enable
-
-      - name: Activate pnpm from package.json
-        run: corepack prepare --activate
-
-      - name: Verify pnpm version
-        run: pnpm --version
-
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
 

.github/workflows/shell-tool-mcp.yml

@@ -351,15 +351,6 @@ jobs:
         with:
           node-version: ${{ env.NODE_VERSION }}
 
-      - name: Enable Corepack
-        run: corepack enable
-
-      - name: Activate pnpm from package.json
-        run: corepack prepare --activate
-
-      - name: Verify pnpm version
-        run: pnpm --version
-
       - name: Install JavaScript dependencies
         run: pnpm install --frozen-lockfile
 
@@ -460,15 +451,6 @@ jobs:
           registry-url: https://registry.npmjs.org
           scope: "@openai"
 
-      - name: Enable Corepack
-        run: corepack enable
-
-      - name: Activate pnpm from package.json
-        run: corepack prepare --activate
-
-      - name: Verify pnpm version
-        run: pnpm --version
-
       - name: Download npm tarball
         uses: actions/download-artifact@v7
         with:

PNPM.md

@@ -1,70 +0,0 @@
-# Migration to pnpm
-
-This project has been migrated from npm to pnpm to improve dependency management and developer experience.
-
-## Why pnpm?
-
-- **Faster installation**: pnpm is significantly faster than npm and yarn
-- **Disk space savings**: pnpm uses a content-addressable store to avoid duplication
-- **Phantom dependency prevention**: pnpm creates a strict node_modules structure
-- **Native workspaces support**: simplified monorepo management
-
-## How to use pnpm
-
-### Installation
-
-```bash
-# Global installation of pnpm
-npm install -g pnpm@10.28.2
-
-# Or with corepack (available with Node.js 22+)
-corepack enable
-corepack prepare pnpm@10.8.1 --activate
-```
-
-### Common commands
-
-| npm command     | pnpm equivalent  |
-| --------------- | ---------------- |
-| `npm install`   | `pnpm install`   |
-| `npm run build` | `pnpm run build` |
-| `npm test`      | `pnpm test`      |
-| `npm run lint`  | `pnpm run lint`  |
-
-### Workspace-specific commands
-
-| Action                                     | Command                                  |
-| ------------------------------------------ | ---------------------------------------- |
-| Run a command in a specific package        | `pnpm --filter @openai/codex run build`  |
-| Install a dependency in a specific package | `pnpm --filter @openai/codex add lodash` |
-| Run a command in all packages              | `pnpm -r run test`                       |
-
-## Monorepo structure
-
-```
-codex/
-├── pnpm-workspace.yaml    # Workspace configuration
-├── .npmrc                 # pnpm configuration
-├── package.json           # Root dependencies and scripts
-├── codex-cli/             # Main package
-│   └── package.json       # codex-cli specific dependencies
-└── docs/                  # Documentation (future package)
-```
-
-## Configuration files
-
-- **pnpm-workspace.yaml**: Defines the packages included in the monorepo
-- **.npmrc**: Configures pnpm behavior
-- **Root package.json**: Contains shared scripts and dependencies
-
-## CI/CD
-
-CI/CD workflows have been updated to use pnpm instead of npm. Make sure your CI environments use pnpm 10.28.2 or higher.
-
-## Known issues
-
-If you encounter issues with pnpm, try the following solutions:
-
-1. Remove the `node_modules` folder and `pnpm-lock.yaml` file, then run `pnpm install`
-2. Make sure you're using pnpm 10.28.2 or higher
-3. Verify that Node.js 22 or higher is installed

codex-cli/package.json

@@ -17,5 +17,6 @@
     "type": "git",
     "url": "git+https://github.com/openai/codex.git",
     "directory": "codex-cli"
-  }
+  },
+  "packageManager": "pnpm@10.28.2+sha512.41872f037ad22f7348e3b1debbaf7e867cfd448f2726d9cf74c08f19507c31d2c8e7a11525b983febc2df640b5438dee6023ebb1f84ed43cc2d654d2bc326264"
 }

codex-rs/responses-api-proxy/npm/package.json

@@ -17,5 +17,6 @@
     "type": "git",
     "url": "git+https://github.com/openai/codex.git",
     "directory": "codex-rs/responses-api-proxy/npm"
-  }
+  },
+  "packageManager": "pnpm@10.28.2+sha512.41872f037ad22f7348e3b1debbaf7e867cfd448f2726d9cf74c08f19507c31d2c8e7a11525b983febc2df640b5438dee6023ebb1f84ed43cc2d654d2bc326264"
 }

sdk/typescript/package.json

@@ -62,5 +62,6 @@
     "typescript-eslint": "^8.45.0",
     "zod": "^3.24.2",
     "zod-to-json-schema": "^3.24.6"
-  }
+  },
+  "packageManager": "pnpm@10.28.2+sha512.41872f037ad22f7348e3b1debbaf7e867cfd448f2726d9cf74c08f19507c31d2c8e7a11525b983febc2df640b5438dee6023ebb1f84ed43cc2d654d2bc326264"
 }

shell-tool-mcp/package.json

@@ -3,7 +3,6 @@
   "version": "0.0.0-dev",
   "description": "Codex MCP server for the shell tool with patched Bash and exec wrappers.",
   "license": "Apache-2.0",
-  "packageManager": "pnpm@10.28.2+sha512.41872f037ad22f7348e3b1debbaf7e867cfd448f2726d9cf74c08f19507c31d2c8e7a11525b983febc2df640b5438dee6023ebb1f84ed43cc2d654d2bc326264",
   "bin": {
     "codex-shell-tool-mcp": "bin/mcp-server.js"
   },