Skip metric3d tests on unsupported xformers GPUs

[leshy]

Skip metric3d depth inference tests gracefully when xformers memory_efficient_attention is unsupported (e.g. compute capability > 9.0) - this fails on my machine

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Greptile Overview

Greptile Summary

This PR updates the Metric3D GPU inference tests to gracefully skip when xformers' memory_efficient_attention is not implemented on the current GPU (e.g., newer compute capabilities). It does this by wrapping Metric3D.infer_depth(...) calls in a small context manager that catches NotImplementedError containing the memory_efficient_attention substring and calls pytest.skip, while re-raising all other errors so genuine regressions still fail.

Confidence Score: 5/5

• This PR is safe to merge with minimal risk.
• Change is isolated to tests and only converts a known NotImplementedError case into a pytest skip; all other exceptions still fail the tests, preserving signal for real regressions.
• No files require special attention

Important Files Changed

Filename	Overview
dimos/models/depth/test_metric3d.py	Wraps Metric3D infer_depth calls in a contextmanager that skips tests when xformers raises NotImplementedError for memory_efficient_attention; otherwise re-raises.

Sequence Diagram

sequenceDiagram
    participant Pytest as pytest
    participant Test as test_metric3d.py
    participant M3D as Metric3D
    participant XF as xformers

    Pytest->>Test: run test_metric3d_infer_depth / multiple_inferences
    Test->>M3D: start()
    loop each inference
        Test->>Test: enter skip_xformers_unsupported()
        Test->>M3D: infer_depth(rgb_array)
        M3D->>XF: memory_efficient_attention(...)
        alt xformers unsupported GPU
            XF-->>M3D: raise NotImplementedError("...memory_efficient_attention...")
            M3D-->>Test: propagate exception
            Test-->>Pytest: pytest.skip(...)
        else supported
            XF-->>M3D: return attention result
            M3D-->>Test: return depth_map
            Test-->>Test: exit context manager
        end
    end
    Test->>M3D: stop()

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