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Validate task type before model upload#457

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leeclemnet merged 2 commits intomainfrom
fix/task-type-validation
Apr 21, 2026
Merged

Validate task type before model upload#457
leeclemnet merged 2 commits intomainfrom
fix/task-type-validation

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@leeclemnet leeclemnet commented Apr 17, 2026 •
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Summary

Uploading a seg .pt with model_type="yolov11" used to succeed silently then crash at inference because models could be registered with an incorrect task type. Same for rfdetr detect/seg mismatches. Adds two client-side checks:

  1. .pt ↔ model_type reconciliation in model_processor.process():
    • YOLO: detects task from Ultralytics class name. Auto-appends the missing suffix when user omitted it; raises on conflict.
    • RF-DETR: detects task from checkpoint["model_name"] (same field rf-detr's loader uses). Raises on conflict.
  2. model_type ↔ project type cross-check in Version.deploy().

Also adds canonical TASK_* constants to config.py.

Test plan

  • New unit tests
  • Upload yolov11 OD weights downloaded from roboflow to IS project blocked (versionless + versioned)
roboflow model upload -m ~/data/weight-upload-test/yolov11 -t yolov11s -f weights.pt -p bouldering-holds-9wavr-wrfb4 -n yolov11
loading Roboflow workspace...
Error: Project 'bouldering-holds-9wavr-wrfb4' is type 'instance-segmentation' (task 'seg') but model_type 'yolov11s' implies task 'det'.

roboflow model upload -m ~/data/weight-upload-test/yolov11 -t yolov11s -f weights.pt -p bouldering-holds-9wavr-wrfb4 -n yolov11 -v 2
loading Roboflow workspace...
loading Roboflow project...
Error: Project 'bouldering-holds-9wavr-wrfb4' is type 'instance-segmentation' (task 'seg') but model_type 'yolov11s' implies task 'det'.

roboflow model upload -m ~/data/weight-upload-test/yolov11 -t yolov11s-seg -f weights.pt -p bouldering-holds-9wavr-wrfb4 -n yolov11
loading Roboflow workspace...
Error: model_type 'yolov11s-seg' implies task 'seg' but the .pt file is a 'det' checkpoint. Use a matching model_type.

roboflow model upload -m ~/data/weight-upload-test/yolov11 -t yolov11s-seg -f weights.pt -p bouldering-holds-9wavr-wrfb4 -n yolov11 -v 2
loading Roboflow workspace...
loading Roboflow project...
Error: model_type 'yolov11s-seg' implies task 'seg' but the .pt file is a 'det' checkpoint. Use a matching model_type.
  • Upload rfdetr IS weights downloaded from roboflow to OD project blocked (versionless + versioned)
roboflow model upload -m ~/data/weight-upload-test/rfdetr-nano-seg -t rfdetr-seg-nano -f weights.pt -p sign-language-sokdr-j1ne3 -n rfdetr-nano-seg
loading Roboflow workspace...
Error: Project 'sign-language-sokdr-j1ne3' is type 'object-detection' (task 'det') but model_type 'rfdetr-seg-nano' implies task 'seg'.

roboflow model upload -m ~/data/weight-upload-test/rfdetr-nano-seg -t rfdetr-seg-nano -f weights.pt -p sign-language-sokdr-j1ne3 -n rfdetr-nano-seg -v 7
loading Roboflow workspace...
loading Roboflow project...
Error: Project 'sign-language-sokdr-j1ne3' is type 'object-detection' (task 'det') but model_type 'rfdetr-seg-nano' implies task 'seg'.

roboflow model upload -m ~/data/weight-upload-test/rfdetr-nano-seg -t rfdetr-nano -f weights.pt -p sign-language-sokdr-j1ne3 -n rfdetr-nano-seg
loading Roboflow workspace...
Error: model_type 'rfdetr-nano' implies task 'det' but the .pt is a 'seg' rfdetr checkpoint. Use a matching model_type.

roboflow model upload -m ~/data/weight-upload-test/rfdetr-nano-seg -t rfdetr-nano -f weights.pt -p sign-language-sokdr-j1ne3 -n rfdetr-nano-seg -v 7
loading Roboflow workspace...
loading Roboflow project...
Error: model_type 'rfdetr-nano' implies task 'det' but the .pt is a 'seg' rfdetr checkpoint. Use a matching model_type.

🤖 Generated with Claude Code

@leeclemnet leeclemnet marked this pull request as draft April 17, 2026 16:11
@leeclemnet leeclemnet force-pushed the fix/task-type-validation branch 9 times, most recently from 7e3a2bf to 899ce06 Compare April 21, 2026 14:01
@leeclemnet leeclemnet force-pushed the fix/task-type-validation branch from 899ce06 to 120289b Compare April 21, 2026 14:06
@leeclemnet leeclemnet marked this pull request as ready for review April 21, 2026 14:06
probicheaux
probicheaux reviewed Apr 21, 2026
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lgtm!

@leeclemnet leeclemnet merged commit da3fa95 into main Apr 21, 2026
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@probicheaux probicheaux probicheaux approved these changes

@tonylampada tonylampada Awaiting requested review from tonylampada

@yeldarby yeldarby Awaiting requested review from yeldarby

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@leeclemnet @probicheaux