[ Python Application / Client Code ]
                   │
                   ▼ (Zero-Copy FFI / PyO3 Boundary)
  ┌─────────────────────────────────────────────────┐
  │         atsonic_ungc (Rust Engine)              │
  ├─────────────────────────────────────────────────┤
  │  [ Raw Pointer Lifetime Control ]               │
  │  [ e2pass Ingestion Primitives ]                │ 
  │  [ Unsafe Boundary Protection ]                 │
  └─────────────────────────────────────────────────┘
                   │
                   ▼
       [ Direct Physical System RAM ]