Custom Report Shares

📄️List Shares

List all explicit share grants for a report. Each entry includes the recipient user (eager-loaded) and the permission (`view` or `edit`). Returns 403 if the caller is not the report owner.

📄️Add Share

Add a user as an explicit share recipient. Upserts (updateOrCreate) so calling twice with a different permission updates the existing record.

📄️Remove Share

Revoke an explicit share grant for a specific user. Returns 204 on success. Returns 403 if the caller is not the report owner.