Feature: Support chunk-based filtering for streaming text input

[master-wayne7]

Currently, filtering assumes the full input text is available.

Goal:

• Support filtering in chunks (useful for streaming responses, large texts, or chat streams)

Requirements:

• Maintain state between chunks
• Ensure matches across chunk boundaries are handled correctly
• Adapt Aho-Corasick traversal to support incremental input

Use Cases:

• Streaming APIs
• Real-time chat processing
• Large text processing

This is an advanced feature and would significantly enhance real-time capabilities.