Display Multiple Grader's Annotations Per Image

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
68/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Quiet
Tech stack
typescript
Domain
frontend

Research direction

Start with site/ts/ImageAnnotationEmbedded.ts and the TODO or selection logic shown in the issue, then review the related context from #11921. Implement the initial fix so every annotation made by each grader is shown to the student; the later labeling, sorting, and grader-editing improvements are separate follow-up scope.

Written by the indexing model from the issue text.

Description

Awaiting Triage enhancement / feature request Image/PDF Annotation TA Grading / TA UI

What problem are you trying to solve with Submitty
Currently, multiple graders can make annotations on the same image of a student's submission, but only one of the graders' annotations will get shown.

Related to #11921. The image below shows the code that selects the annotations to display to the students, and the TODO that this issue is based on. The initial fix for this PR will probably involve work mostly in \site\ts\ImageAnnotationEmbedded.ts, but further improvements as described later in this issue will span more systems and probably constitute their own PRs.

Screenshot 2026-06-29 141343

Describe the way you'd like to solve this problem
The most important part of this issue is that each annotation made by each grader should be shown to the student.

Fixing that will unlock a number of other image annotation improvements that will make multi-grader annotating smoother:

  • Each annotation should be labelled with the grader that it came from (might get confusing trying to implement this with silent grading capabilities?).
  • Annotations can either be sorted by order of the images, or by annotators (this should be discussed further to pick one option or decide the merit of including both).
  • Graders should be able to see whether an image has already been annotated by another grader.
  • It would probably also be helpful to see other graders' annotations on an image, or even be able to modify them if you are the instructor or otherwise are given the permission to.
Dominant language
PHP
Stars
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Forks
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Avg merge
2d 16h
Merged PRs (30d)
78

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