feat: ROOT-45: Filter by annotator together with annotation results

[matt-bernstein]

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Please ensure that all linked upstream Pull Requests are merged before proceeding with this one.

• feat: ROOT-45: filter by annotator label-studio-sdk#499

Allow filters in DM to have a child_filter which is only available after the parent is selected. Use this new capability to add annotator as a child_filter to annotation_results. In this example, filters are now expressive enough to search for tasks with an annotation with label "PER" created by annotator "matt". Previously, a false positive would be returned if a task had both an annotation with label "PER" and a (potentially different) annotation by annotator "matt".

FE changes

• give filters a child_filter and handle conditional CRUD logic (ensure a child never exists without its parent, and that incomplete filters are never sent to the BE)
• styling to join parent and child filters into a visually distinct "filter line"

BE changes

• let the Filter model have a recursive "children" field
• expose children in serializers, limiting to at most 1 child and 1 level of nesting
• ensure "filter lines" are always AND-ed when applying them to the tasks queryset, no matter what the FilterGroup's outer conjunction is

LSE changes

• the annotator child_filter
• tests

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[codecov]

Codecov Report

❌ Patch coverage is 78.18182% with 36 lines in your changes missing coverage. Please review.
✅ Project coverage is 70.51%. Comparing base (0af526f) to head (775990e).
⚠️ Report is 2 commits behind head on develop.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
label_studio/data_manager/managers.py	72.80%	31 Missing ⚠️
label_studio/data_manager/serializers.py	88.88%	5 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #7783   +/-   ##
========================================
  Coverage    70.50%   70.51%           
========================================
  Files          719      719           
  Lines        51391    51433   +42     
  Branches      8736     8736           
========================================
+ Hits         36235    36269   +34     
- Misses       15153    15161    +8     
  Partials         3        3           

Flag	Coverage Δ
lsf-e2e	59.76% <ø> (-0.01%)	⬇️
lsf-integration	55.42% <ø> (+0.03%)	⬆️
lsf-unit	9.52% <ø> (ø)
pytests	78.89% <78.18%> (-0.02%)	⬇️

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[matt-bernstein]

/fmt

Workflow run

[jombooth]

/git merge develop

Workflow run
Successfully merged: 9 files changed, 10 insertions(+), 18 deletions(-)

[matt-bernstein]

/git merge develop

Workflow run
Successfully merged: 3 files changed, 350 insertions(+), 353 deletions(-)

[jombooth]

LG, awesome!

[yyassi-heartex]

looks good to me!

[matt-bernstein]

/git merge develop

Workflow run
Successfully merged: Already up to date.

[matt-bernstein]

/fm sync

Workflow run

[matt-bernstein]

/git merge develop

Workflow run
Successfully merged: Already up to date.