utils: add RobotDescriptionCache for URDF download and mesh embedding#272

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eef-04-examplesfrom

urdf-01-description-cache

Commits on Jul 17, 2026

utils: add RobotDescriptionCache for URDF download and mesh embedding
abhichothani42
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utils: harden robot-description cache writes and skip patching missing assets
abhichothani42
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