This update introduces significant improvements to the exam management suite, including an ApprovalChangeSummary component for tracking submission changes and better proctoring settings management via ProctoringSettingsDialog. We've also enhanced question-paper import robust validation and added support for automatic rubric generation in the ExamQuestionEditor to streamline grading. These changes significantly improve both the administrative approval process and teacher-side exam authoring experience. Refactoring plans

Enhanced exam approval and editing workflows - subh05sus/sparkmentis-fork