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## Summary - add a configurable MAXIMUM_FILE_UPLOAD_SIZE installation setting and surface it through super admin and global config payloads - apply the configurable limit to attachment validations and shared upload helpers on dashboard and widget - introduce a reusable helper with unit tests for parsing the limit and extend attachment specs for configurability ------ [Codex Task](https://chatgpt.com/codex/tasks/task_e_6912644786b08326bc8dee9401af6d0a) --------- Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com> Co-authored-by: iamsivin <iamsivin@gmail.com>