## Summary

What happened, or what should change?

## Area

Choose the closest area:

- `@bilig/headless`
- `@bilig/core`
- `@bilig/formula`
- grid UI
- renderer / React workbook DSL
- sync / replication
- agent API
- WASM kernel
- docs / examples

## Reproduction Or Proposal

For bugs, include exact commands, workbook state, formula inputs, expected
behavior, and actual behavior.

For feature requests, describe the smallest useful version and the acceptance
proof.

For workflow feedback or example requests, prefer the current discussion:
https://github.com/proompteng/bilig/discussions/157

For existing Node workbook automation examples, start here:
https://proompteng.github.io/bilig/workbook-automation-examples-node.html

## Environment

- Node:
- Bun:
- pnpm:
- OS:
- Browser:
- Package/app:

## Artifacts

Paste focused logs, benchmark output, screenshots, failing test names, or links
to minimal reproduction files.

Do not include secrets, private workbook data, or vulnerability details in a
public issue. Follow `SECURITY.md` for security reports.
