Plugin fails to load in opencode 1.3.17 on Windows (ESM/CJS interop issues)

[Strelitzia-reginae]

Summary

@morphllm/opencode-morph-plugin@2.0.9 fails to load in opencode 1.3.17.

This does not look like a single missing export. It appears to be a runtime compatibility problem between the plugin / @morphllm/morphsdk and opencode's plugin loader, likely around ESM/CJS interop.

Environment

• OS: Windows 11
• opencode: 1.3.17
• plugin: @morphllm/opencode-morph-plugin@2.0.9
• install path: loaded as an opencode plugin from .config/opencode/opencode.json

Reproduction

1. Add the plugin to opencode.json:

{
  "plugin": [
    "@morphllm/opencode-morph-plugin"
  ],
  "instructions": [
    "node_modules/@morphllm/opencode-morph-plugin/instructions/morph-tools.md"
  ]
}

2. Run:

opencode debug config --print-logs --log-level DEBUG

3. opencode fails while loading the plugin.

Errors observed

I consistently reproduced these loader errors while debugging:

Export named 'rgPath' not found in module '...@vscode\\ripgrep\\lib\\index.js'

Export named 'getVercelOidcToken' not found in module '...@vercel\\oidc\\dist\\index.js'

I also tried locally patching the plugin to route around the ESM entrypoint and use the CJS build of morphsdk, but opencode's loader then surfaced this:

require() async module '...@morphllm\\morphsdk\\dist\\index.cjs' is unsupported. use "await import()" instead.

When forcing await import() against index.cjs, opencode's runtime appeared to return an empty namespace object for that module, which then led to:

undefined is not a constructor (evaluating 'new MorphClient(...)')

Notes

• The same plugin/module shape was testable separately under plain bun, so this seems specific to opencode's plugin runtime/loader behavior.
• Because of the chained failures, this may need a compatibility pass in the plugin build output rather than a one-line fix.

If useful, I can provide the full opencode debug config --print-logs --log-level DEBUG output.