Architecture

Architecture

High-Level Architecture

User Query
     │
     ▼
Input Guardrail
     │
     ▼
Query Classification
     │
     ▼
Hybrid Retrieval
 ├── ChromaDB
 └── BM25
     │
     ▼
RRF Merge
     │
     ▼
Context Guardrail
     │
     ▼
GPT-4o-mini
     │
     ▼
Output Guardrail
     │
     ▼
Confidence Scoring
     │
     ▼
Final Answer

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Design Goals

• High Retrieval Accuracy
• Low Hallucination Rate
• Production Reliability
• Safety Guardrails
• Evaluation-Driven Development
• Cost Visibility
• Easy Deployment