feat(processor-pipeline): implement attribute processing system

[walmir-silva]

BREAKING CHANGE: Add comprehensive attribute processing capabilities to the processor pipeline.

Core Changes:

• Add attribute handling system with validation and configuration
• Implement processor configuration building
• Add processor name normalization
• Enhance processor validation

New Features:
ttribute Processing:

• Add ProcessorAttributeHandler for handling attribute-based processing
• Implement AttributeHandler base class
• Add contracts for processor configuration

Processor Configuration:

• Add ProcessorConfigBuilder for structured configuration
• Implement processor name normalization
• Add validation for processor configurations

Testing Infrastructure:

• Add comprehensive test suite for new components
• Add benchmark for attribute handler performance
• Extend existing processor builder tests