ahmada3mar/Context-Aware-AI-Agent-for-Tier-1

RAG Support Assistant is an AI-powered Tier‑1 support tool for payment-processing agents. It pairs a FastAPI backend (Google Gemini + ChromaDB) with a Nuxt.js/Tailwind chat UI to help agents diagnose and resolve payment issues quickly. Who uses it: customer support and operations agents handling payment errors, declines, settlements, 3DS, chargebacks, and similar cases. Key features: document ingestion (MD/JSON/TXT) with chunking and Gemini embeddings into ChromaDB; semantic retrieval (top‑k) with configurable similarity and confidence thresholds; streamed SSE chat with structured responses (Diagnosis, Root Cause, Resolution Steps, Verification); confidence score and color bar; source citations with similarity; automated Tier‑2 handoff when confidence is low; session history; CLI/API reindexing; health and status endpoints. Requires Python 3.11+, Node 18+, and a Gemini API key.

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