Add YOLO26 depth export support

[rolandocortez]

Summary

Adds YOLO26-Depth support to tools.

• Detects YOLO26 depth models and routes them through the YOLO26 exporter.
• Updates the pinned Ultralytics revision to include official YOLO26-Depth support.
• Exports the dense depth output as output_yolo26.
• Generates an NNArchive using MapOutputParser with min_max_scaling=False.
• Adds the model to the E2E test matrix and validates the generated NNArchive contract.

Validation

• Exported YOLO26n-Depth to ONNX and NNArchive successfully.
• Validated the generated MapOutputParser NNArchive contract.
• Ran the model successfully on:
  • RVC2
  • RVC4 FP16
  • RVC4 INT8
• Compared the converted outputs against the PyTorch YOLO26-Depth model on the exact same decoded frames:
  • RVC2 mean MAE: 0.0500
  • RVC4 FP16 mean MAE: 0.0258
  • RVC4 INT8 mean MAE: 0.1439
• Measured isolated NN throughput:
  • RVC2: 8.46 FPS
  • RVC4 FP16: 56.85 FPS
• YOLO26 detect / segmentation / pose / semantic-segmentation regression tests
• YOLOv8 detect / segmentation / pose / OBB / classification regression tests.

Summary by CodeRabbit

• New Features

  • Added support for converting YOLO26 depth models.
  • Added depth-model detection and NNArchive generation with map output support.
  • Added validation for depth-model output selection and archive configuration.

• Tests

  • Added end-to-end coverage for depth-model conversion and output configuration.
  • Updated test sharding assignments to include the expanded test suite.

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Configuration used: defaults

Review profile: CHILL

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Run ID: 69e9d751-15f2-463b-967d-6a52a0e5f463

📥 Commits

Reviewing files that changed from the base of the PR and between f49e54b and c830bbc.

📒 Files selected for processing (10)

• tests/constants.py
• tests/e2e_shards.py
• tests/test_end2end.py
• tests/test_unittests.py
• tools/conversion_registry.py
• tools/modules/exporter.py
• tools/version_detection/__init__.py
• tools/version_detection/version_detection.py
• tools/yolo/ultralytics
• tools/yolo/yolo26_exporter.py

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📝 Walkthrough

Walkthrough

YOLO26 depth models now have dedicated version detection, registry wiring, exporter handling, map-output NNArchive generation, model fixtures, end-to-end coverage, and updated shard manifests.

Changes

YOLO26 depth conversion

Layer / File(s)	Summary
Depth conversion detection and registration tools/version_detection/..., tools/conversion_registry.py	Adds YOLOV26_DEPTH_CONVERSION, detects models containing yolo26 and DepthModel, exports the identifier, and registers it with the YOLO26 exporter.
Depth model export path tools/yolo/ultralytics, tools/yolo/yolo26_exporter.py, tools/modules/exporter.py	Recognizes Ultralytics Depth heads, maps them to output_yolo26, and builds map-output NNArchives without min/max scaling.
Depth model test coverage tests/constants.py, tests/test_end2end.py, tests/e2e_shards.py, tests/test_unittests.py	Adds the depth model fixture and NNArchive assertions, assigns the tests to E2E shards, and updates expected shard counts.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Merge Risk: ⚪ Minimal · up to c830b

This adds YOLO26-Depth conversion and depth-map NNArchive output with matching end-to-end contract coverage. No actionable merge-readiness risk remains.

Sequence Diagram(s)

sequenceDiagram
  participant CLI
  participant VersionDetection
  participant YOLO26Exporter
  participant ArchiveGenerator
  CLI->>VersionDetection: Detect YOLO26 DepthModel
  VersionDetection-->>CLI: Return YOLOV26_DEPTH_CONVERSION
  CLI->>YOLO26Exporter: Load and export depth model
  YOLO26Exporter->>ArchiveGenerator: Build MapOutputParser archive
  ArchiveGenerator-->>CLI: Return output_yolo26 NNArchive

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Suggested reviewers: dtronmans

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 12 functions across 9 files. (1 skipped: …	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: adding YOLO26 depth export support.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 12 functions across 9 files. (1 skipped: 1 unsupported.)

✨ Finishing Touches 💡 1

📝 Generate docstrings 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/yolov26-depth-map-output

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[github-actions]

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines	Covered	Coverage	Threshold	Status
2054	1135	55%	0%	🟢

New Files

No new covered files...

Modified Files

No covered modified files...

updated for commit: 39802c2 by action🐍

[github-actions]

Test Results

  6 files    6 suites   14m 18s ⏱️
 34 tests  34 ✅ 0 💤 0 ❌
204 runs  204 ✅ 0 💤 0 ❌

Results for commit 39802c2.

[klemen1999]

Generally LGTM, just one small comment