* refactor: remove prompt_messages from LLMResult and LLMResultChunk
* fix: add backward compatibility for deprecated prompt_messages field in LLMResult and LLMResultChunk
* fix: set default value for prompt_messages field to an empty list in LLMResult and LLMResultChunk for backward compatibility
* feat: add test for LLMResult to validate prompt_messages field and ensure backward compatibility
* apply ruff
* feat(python): Enable Ruff ruleset (RUF)
Refactor the codebase to address and resolve pre-existing style
violations flagged by the Ruff ruleset.
* feat(python): disable preview mode in Ruff
Preview rules in Ruff are unstable and subject to frequent changes.
Disabling them helps prevent potential confusion for developers.
* chore(python): disable deprecated UP038 rule in Ruff
The UP038 rule is deprecated and its suggested practice is not recommended.
Disabling this rule helps avoid unnecessary code rewrites.
Yeuoly