Support document heading auto-numbering / document display settings in docs shortcuts

[Arctic5151]

Problem

lark-cli docs supports creating, fetching, updating, and media operations for Lark Docs, but it does not currently expose document-level display settings such as heading auto-numbering.

For documents with many headings, users may want to remove manually typed section numbers and enable the native Lark/Feishu heading auto-numbering setting instead. Today this seems to require using the web UI manually.

Current behavior

From the current CLI implementation:

• docs +update --api-version v2 supports block/content operations such as str_replace, block_insert_after, block_replace, overwrite, and append.
• There does not appear to be a shortcut or API command for updating document display settings.
• Searching the repository for display_setting, heading numbering, or auto-numbering only finds unrelated Base auto-number fields or ordered-list numbering.

Expected behavior

It would be useful for lark-cli to support one of the following:

1. A docs shortcut, for example:

lark-cli docs +settings --doc <doc_token> --heading-auto-numbering true

2. Or a more general document display settings command, for example:

lark-cli docs +settings --doc <doc_token> --set heading_auto_numbering=true

Use case

When editing long-form documents programmatically, agents or scripts can remove manually typed heading numbers, but cannot enable the native document heading auto-numbering setting. This leaves the final formatting step manual.

Notes

If the Lark Open Platform does not currently expose this setting, it would still be helpful for the CLI/docs to clarify that this is unsupported and must be configured manually in the document UI.