[Question]: Add Real-Time Search Suggestions in RAGFlow Search Interface

[liutao124]

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Describe your problem

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Problem Statement
Currently, RAGFlow's search interface requires users to fully type out queries before receiving results. Many users (especially in large knowledge bases) expect real-time search suggestions (aka "typeahead" or "autocomplete") to:
• Accelerate query formulation
• Reduce typos
• Surface relevant content proactively
• Mimic modern search experiences (e.g., Google, GitHub)

Use Case Example:
When a user types "how to con", the system should instantly suggest:

how to configure Elasticsearch → (Knowledge Base Article)  
how to connect external databases → (API Documentation)  
how to contribute to RAGFlow → (Developer Guide)  

[liutao124]

How can I implement real-time search suggestions (typeahead/autocomplete) in RAGFlow's search interface?