Architecture

┌─────────────────────────────────────────────────┐
│  CLI / SDK Layer (Entry Points)                 │
│  • cli/        - Click commands                 │
│  • sdk/        - Python SDK                     │
└────────────────────┬────────────────────────────┘
                     ↓
┌─────────────────────────────────────────────────┐
│  Application Layer (Orchestration)              │
│  • scan_pipeline.py     - Main flow             │
│  • apply_policy.py      - Policy logic          │
│  • telemetry_manager.py - Telemetry             │
└────────────────────┬────────────────────────────┘
                     ↓
┌─────────────────────────────────────────────────┐
│  Domain Layer (PURE - NO I/O)                   │
│  • engine/    - Detection execution             │
│  • rules/     - Rule models                     │
│  • ml/        - ML detection                    │
│  • policies/  - Policy evaluation               │
└────────────────────┬────────────────────────────┘
                     ↓
┌─────────────────────────────────────────────────┐
│  Infrastructure Layer (I/O)                     │
│  • database/   - SQLite                         │
│  • config/     - YAML loading                   │
│  • telemetry/  - HTTP client                    │
└─────────────────────────────────────────────────┘

{
  "api_key": "raxe_...",
  "prompt_hash": "sha256:...",
  "rule_id": "pi-001",
  "severity": "high",
  "confidence": 0.95,
  "scan_duration_ms": 4.2
}

# Simplified scan flow
def scan(prompt: str) -> ScanResult:
    # 1. Load rules (infrastructure)
    rules = rule_loader.load()

    # 2. L1 detection (domain - pure)
    l1_detections = detector.detect(prompt, rules)

    # 3. L2 detection (domain - pure)
    l2_result = ml_classifier.classify(prompt)

    # 4. Merge results (domain - pure)
    combined = merger.merge(l1_detections, l2_result)

    # 5. Apply policies (domain - pure)
    final = policy_evaluator.apply(combined)

    # 6. Record telemetry (infrastructure)
    telemetry.record(final)

    return final

from raxe import Raxe

# No network required
raxe = Raxe(telemetry=False)
result = raxe.scan("test prompt")