Implement conversational chat interface and context support for AI Knowledge Assistant

Work for the GSoC 2026 project, AI Knowledge Assistant for Drupal

The primary goal of this phase is to establish the core chat experience, integrate with Drupal AI providers, and implement conversational memory capabilities.

Features -

- to create the AI Knowledge Assistant custom module structure.
- to add administration configuration and Drupal AI provider integration.
- to implement the chat interface with AJAX-based interactions.
- to add support for AI responses through Drupal AI providers.
- to implement session-based conversational memory.
- to add sliding window context management for multi-turn conversations.
- to implement new chat and clear chat functionality.
- to add copy message functionality with user feedback notifications.
- to add speech-to-text (voice input) support.
- to improve the chat composer and overall chat UI/UX.
- to improve conversation management foundations for future chat history support.

Technical details -

Drupal session storage to maintain conversational state. A sliding window memory strategy is used to provide contextual continuity while keeping the amount of context sent to the LLM bounded and efficient.

Inspiration for the UI is taken from : link and link