Vectorizer Dashboard

Overview

A Next.js 14 dashboard for Vectorizer — the self-hosted semantic memory server. Built to visualize and interact with stored memories, embeddings, and the knowledge graph.

Features

• Dashboard Overview — health status, workspace count, embedding model, LLM brain status
• Workspace Browser — browse all workspaces, view messages with role badges
• Semantic Search — search interface with relevance scores and filters
• RAG Q&A — chat interface powered by Vectorizer's LLM brain
• Embedding Visualization — PCA projection of 768d vectors to 2D scatter plot
• Knowledge Graph — force-directed canvas visualization of GRAPH.json (1419 nodes, 7479 edges)
• Analytics — Recharts bar/pie charts for workspace and activity metrics

Tech Stack

• Next.js 14, TypeScript, Tailwind CSS (dark theme)
• Recharts for charts
• Custom PCA for client-side dimensionality reduction
• Canvas-based force-directed graph with alpha cooling

API Sources

• Vectorizer API (port 8091) — messages, search, brain/RAG
• ChromaDB v2 API (port 8100) — raw vectors for embedding visualization
• GRAPH.json — knowledge graph data