feat(python-sdk): mirror async result accessors on the sync CommandHandle

[Atishyy27]

Summary

AsyncCommandHandle and the JS CommandHandle expose stdout, stderr, error and exit_code as public accessors. The sync CommandHandle exposes only pid, even though it already stores all four values internally (_stdout_chunks, _stderr_chunks, _result). AGENTS.md asks for JS + sync + async parity, so this mirrors the async twin's four properties on the sync handle.

To be clear on scope: the values are already reachable from wait()'s return value and from CommandExitException on the non-zero path, so this is a consistency and ergonomics change for people moving between the sync and async handles, not a correctness fix.

Change

Add stdout, stderr, error and exit_code to the sync CommandHandle, identical to AsyncCommandHandle including the "None while the command is still running" contract. Existing methods are unchanged.

Testing

Added test_sync_command_handle_exposes_result_accessors in tests/test_command_handle.py, hermetic (in-memory events, no sandbox or API key). Run with uv run pytest tests/test_command_handle.py.

AI-WATERMARK

yes

• Tools: Claude Code
• Model(s): Claude
• Scope: the four accessor properties (mirrored from the async twin) and the unit test
• Human verification: checked against sandbox_async/commands/command_handle.py and js-sdk/src/sandbox/commands/commandHandle.ts

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🦋 Changeset detected

Latest commit: d53f8df

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@e2b/python-sdk	Minor

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[Atishyy27]

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