Add ARM Support

[jeff-hykin]

test on an Arm system with:

uv pip install "dimos @ git+https://github.com/dimensionalOS/dimos.git@jeff/arm_support"
dimos --replay run unitree-go2

Just uses the stop-gap pypi package published at: https://github.com/jeff-hykin/open3d_jetson
Which is just pre-build wheel files for arm based on the open3d repo

[greptile-apps]

Greptile Overview

Greptile Summary

This PR adds ARM (aarch64) Linux support by introducing the open3d-unofficial-arm package alongside the existing open3d dependency. It also includes a temporary workaround in spec.py to fix CI by hardcoding the list of LangChain providers instead of importing them dynamically.

Key changes:

• Added conditional open3d-unofficial-arm dependency for aarch64 Linux systems
• Modified platform markers to route ARM systems to the unofficial package
• Replaced dynamic _SUPPORTED_PROVIDERS import with hardcoded list (temporary fix marked with FIXME)
• Updated lockfile with ARM-specific wheels

Issues identified:

• The OR logic in the open3d platform marker (line 55) will cause both packages to be installed on Linux x86_64, which needs to be corrected to use AND logic or negation

Confidence Score: 3/5

• This PR has a critical logic error in platform markers that will cause installation issues on Linux x86_64
• The platform marker logic error will cause both open3d and potentially conflicting behavior on non-ARM Linux systems. The spec.py change is a temporary workaround that's appropriately marked with FIXME. Once the marker logic is fixed, this should be safe to merge.
• Pay close attention to pyproject.toml line 55 and 300 - the platform marker logic needs correction before merge

Important Files Changed

Filename	Overview
pyproject.toml	Added platform-specific open3d dependencies for ARM support using environment markers, but OR logic may install both packages on Linux x86_64
dimos/agents/spec.py	Replaced dynamic _SUPPORTED_PROVIDERS import with hardcoded list as temporary fix for CI, marked with FIXME comment

[greptile-apps]

_{2 files reviewed, 2 comments}

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[greptile-apps]

Additional Comments (1)

uv.lock
bitsandbytes markers removed

This lock change removes the sys_platform != 'darwin' and sys_platform != 'win32' markers for bitsandbytes deps, so the lock now claims packaging/torch (and the numpy pins) unconditionally. Since the only wheel listed here is manylinux...aarch64, resolution/install on macOS/Windows is likely to break or at least become inconsistent with the previous intent. If this PR’s goal is ARM support, the platform markers should remain so non-Linux platforms don’t try to resolve/install bitsandbytes from this entry.

[Kaweees]

@greptile

[greptile-apps]

_{3 files reviewed, 1 comment}

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[greptile-apps]

OR logic will install open3d on Linux x86_64 since platform_system != 'Linux' evaluates to False but platform_machine != 'aarch64' evaluates to True, making the overall condition True.

Suggested change

	"open3d>=0.18.0; platform_machine != 'aarch64' or platform_system != 'Linux'",
	"open3d>=0.18.0; platform_machine != 'aarch64' or platform_system != 'Linux'",

Should use AND to exclude only Linux aarch64:

Suggested change

	"open3d>=0.18.0; platform_machine != 'aarch64' or platform_system != 'Linux'",
	"open3d>=0.18.0; not (platform_machine == 'aarch64' and platform_system == 'Linux')",