This PR adds opt-in tracing spans/attributes in CRI image pull and selected sandbox-related paths to improve debugging and correlation (e.g., sandbox.id/pod metadata). If maintainers prefer a smaller diff, I’m happy to split this into a pull-only PR plus follow-ups.
• follow-up after pull-only PR
• focuses on task/metadata/sandbox/cni setup spans
Signed-off-by: Cindy Li <cindyli@pinterest.com>
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