New branch - required changes made in init.py

[IamArnab999]

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Refactored error handling and decorators for clarity and redundancy removal:

• Removed redundant setattr(__wrapped__) calls in decorators where @wraps already handles forwarding attributes.
• Simplified error handling in create_agent, update_agent, and delete_agent by removing redundant try-except blocks.
• Enhanced DatabaseError to include more context-specific information, improving debugging and user experience.

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[!IMPORTANT] Improved error handling and removed redundancy in decorators in __init__.py and utils.py.

• Error Handling:
  • Introduced DatabaseError in __init__.py for context-specific error messages.
  • Enhanced error handling in create_agent, update_agent, and delete_agent with handle_database_exception decorator.
• Decorators:
  • Removed redundant setattr(__wrapped__) in handle_database_exception in __init__.py and rewrap_exceptions in utils.py.
  • Updated rewrap_exceptions in utils.py to provide more descriptive error messages and context.
• Misc:
  • Updated docstring in utils.py for rewrap_exceptions to clarify functionality.

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