Web UI AI: Chat Sidebar (RAG over KB) — pyrite

Conversational AI interface that can answer questions using KB content:

How it works: 1. User asks a question in chat sidebar 2. Backend retrieves relevant entries via search (FTS5 + optional semantic) 3. Retrieved entries sent as context to LLM along with the question 4. LLM responds with citations to specific entries 5. Citations are clickable links to entries

Implementation:

`POST /api/ai/chat` — accepts message + conversation history

Backend does RAG: search → retrieve top-N entries → build context → LLM

SSE streaming for response

Chat history maintained in frontend (not persisted)

Source entries listed below each response

UI:

Collapsible sidebar panel (right side)

Keyboard shortcut to toggle (Cmd+Shift+K or similar)

Clear conversation button

"Ask about this entry" pre-fills context

Depends on: llm-abstraction-service, web-ai-summarize-and-tag (shared /api/ai/ patterns)

Web UI AI: Chat Sidebar (RAG over KB)backlog_item

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