add test cases for kernel and og_up

[imotai]

PR-Codex overview

This PR focuses on adding new functionality and improvements to the codebase.

Detailed summary

• Added og_ping to start_sandbox.sh.
• Updated dependencies in requirements.txt.
• Added python-dotenv dependency to requirements.txt.
• Added import logging to agent_sdk_tests.py.
• Updated gen_a_random_emoji function in terminal_chat.py.
• Updated version variable in up.py.
• Added new imports and functions to utils.py.
• Added new imports and functions to kernel_sdk_tests.py.
• Added new imports and functions to agent_sdk.py.
• Updated generate_trunk function in agent_sdk.py.
• Added new functions and tests to up_tests.py.

✨ Ask PR-Codex anything about this PR by commenting with /codex {your question}