Adding button and Filters to the Custom report without the directories and files

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Hi everyone,
I am working on a Frappe v14 project where I need to add extra Filters and Buttons to an existing Query Report (example: Donation report).

My situation:

  • I have Administrator login for the site (so full access to the Desk UI).
  • I can create Custom Reports from the Report List.
  • I can create Client Scripts — but only for Form/List, not for Pages.
  • I do not have Frappe backend server access (can’t update query_report.js or make code changes in apps).

I tried:

  • Creating a Client Script targeting the Report, but it doesn’t work because Query Reports load inside the query-report Page.
  • Using frappe.pages['query-report'] hooks, but my script doesn’t trigger because I can’t attach Client Scripts to Pages in the current setup.
  • frappe.query_reports["Donation"] exists but modifying it dynamically from the frontend without a proper hook isn’t reliable.

Questions:

  1. Is there any official way to customize a Query Report (add filters/buttons) from the frontend only?
  2. If not, would the only correct approach be creating a small Custom App where I can patch the Report JS properly?
  3. Are there any plans to allow Page-level Client Scripts officially in future Frappe versions?

Thanks a lot in advance! :pray:
Any guidance would be super helpful.