Feature/add api key support

[emrgnt-cmplxty]

Important

Adds API key support to CLI, refactors imports, and improves error handling across multiple files.

• API Key Support:
  • Adds initialize_client() in command_group.py to load API key from ~/.r2r/config.json.
  • Adds set-api-key and get-api commands in main.py to manage API keys.
• Configuration:
  • Introduces load_config() and save_config() in command_group.py for handling CLI configuration.
• Refactoring:
  • Reorders imports in command_group.py, config.py, database.py, documents.py, system.py, users.py, main.py.
  • Removes unused imports and fixes import order in several files.
• Error Handling:
  • Improves error handling in initialize_client() and set_api_key().
• Tests:
  • Updates CLI tests to reflect new API key functionality and refactored imports.

^{This description was created by for a653d00. It will automatically update as commits are pushed.}

[ellipsis-dev]

❌ Changes requested. Reviewed everything up to a653d00 in 1 minute and 43 seconds

More details

• Looked at 1897 lines of code in 62 files
• Skipped 0 files when reviewing.
• Skipped posting 1 drafted comments based on config settings.

1. py/cli/command_group.py:144

• Draft comment:
  The load_config function is defined but not used in the initialize_client function. Ensure that the configuration is loaded correctly to avoid potential issues.
• Reason this comment was not posted:
  Comment did not seem useful.

Workflow ID: wflow_Eo6RxouGiJAEdYl7

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[ellipsis-dev]

The base_url parameter is not used when initializing R2RAsyncClient. Consider passing base_url to R2RAsyncClient to ensure the client connects to the correct URL.