openclaw - 💡(How to fix) Fix TypeError: Reflect.ownKeys called on non-object in mattermost channel-plugin-api lazy proxy [1 comments, 2 participants]

Description

Running openclaw cron list (and likely any command that triggers config loading) crashes with:

Failed to read config at ~/.openclaw/openclaw.json TypeError: Reflect.ownKeys called on non-object
    at Reflect.ownKeys (<anonymous>)
    at Object.ownKeys (file:///...dist/extensions/mattermost/channel-plugin-api.js:12:19)
    at mergeBootstrapPlugin (file:///...dist/bootstrap-registry-DOERdRmD.js:163:2)
    at getBootstrapChannelPlugin (file:///...dist/bootstrap-registry-DOERdRmD.js:207:48)
    at iterateBootstrapChannelPlugins (file:///...dist/bootstrap-registry-DOERdRmD.js:194:18)
    at iterateBootstrapChannelPlugins.next (<anonymous>)
    ...
    at Object.loadConfig (file:///...dist/io-DNfkdag8.js:17474:29)

Config invalid
File: ~/.openclaw/openclaw.json
Problem:
  - <root>: read failed: TypeError: Reflect.ownKeys called on non-object

Steps to reproduce

1. Install openclaw globally via npm on Linux (npm install -g openclaw)
2. Have a valid ~/.openclaw/openclaw.json with no mattermost plugin configured
3. Run openclaw cron list

Root cause

Introduced in commit 4133e3bb1d (fix(runtime): narrow bundled runtime startup surfaces).

extensions/mattermost/channel-plugin-api.ts was refactored to use a lazy Proxy that defers loading of channel-plugin-runtime.js via loadBundledEntryExportSync. The ownKeys trap calls Reflect.ownKeys(load()) without guarding against a non-object return value:

ownKeys() {
  return Reflect.ownKeys(load()); // crashes if load() returns null/undefined
},

When loadBundledEntryExportSync(...).mattermostPlugin returns null or undefined (e.g. when the bundled entry cannot be resolved in a global npm install on Linux), Reflect.ownKeys throws.

This affects all users regardless of whether mattermost is configured, because iterateBootstrapChannelPlugins walks all bundled channel plugins (including mattermost) during config validation on every command.

Environment

• Version: 2026.4.6 (eb75028)
• Platform: Ubuntu (Linux), global npm install
• Mattermost: not configured in openclaw.json

Suggested fix

Guard against non-object returns in all four Proxy traps in extensions/mattermost/channel-plugin-api.ts:

ownKeys() {
  const result = load();
  if (result == null || typeof result !== "object") return [];
  return Reflect.ownKeys(result);
},

Same guard should be applied to get, has, and getOwnPropertyDescriptor traps.