| <svg xmlns="http://www.w3.org/2000/svg" width="420" height="640" viewBox="0 0 420 640" role="img" aria-labelledby="title desc" font-family="Inter, Helvetica Neue, Arial, sans-serif"> |
| <title id="title">Loop Engineering stack for mobile</title> |
| <desc id="desc">Prompt, Context, and Harness Engineering improve one agent run. Loop Engineering governs recurring work over time.</desc> |
| <defs> |
| <marker id="mobile-arrow" viewBox="0 0 10 10" refX="8" refY="5" markerWidth="6" markerHeight="6" orient="auto"> |
| <path d="M0 0L10 5L0 10Z" fill="#1746d1"/> |
| </marker> |
| </defs> |
| <rect width="420" height="640" fill="#f7f9fc"/> |
| <text x="24" y="35" fill="#1746d1" font-size="11" font-weight="800">MENTAL MODEL / FOUR LAYERS</text> |
| <text x="24" y="68" fill="#111318" font-size="27" font-weight="800">Loop Engineering Stack</text> |
| <line x1="24" y1="88" x2="396" y2="88" stroke="#cfd6e0"/> |
|
|
| <g transform="translate(24 112)"> |
| <path d="M0 40L58 8L116 40L58 72Z" fill="#ffffff" stroke="#1746d1" stroke-width="2"/> |
| <path d="M35 40c0-12 11-21 24-21 9 0 18 5 22 12" fill="none" stroke="#1746d1" stroke-width="4" stroke-linecap="round" marker-end="url(#mobile-arrow)"/> |
| <path d="M84 41c0 12-11 21-24 21-9 0-18-5-22-12" fill="none" stroke="#1746d1" stroke-width="4" stroke-linecap="round"/> |
| <text x="138" y="31" fill="#1746d1" font-size="18" font-weight="800">Loop Engineering</text> |
| <text x="138" y="53" fill="#586273" font-size="12">Contract, verification, state,</text> |
| <text x="138" y="70" fill="#586273" font-size="12">and the next action over time.</text> |
| </g> |
|
|
| <g transform="translate(24 222)"> |
| <path d="M0 40L58 8L116 40L58 72Z" fill="#ffffff" stroke="#138ccb" stroke-width="2"/> |
| <text x="138" y="31" fill="#0879ad" font-size="18" font-weight="800">Harness Engineering</text> |
| <text x="138" y="53" fill="#586273" font-size="12">Tools, permissions, sandboxes,</text> |
| <text x="138" y="70" fill="#586273" font-size="12">traces, and checks for one run.</text> |
| </g> |
|
|
| <g transform="translate(24 332)"> |
| <path d="M0 40L58 8L116 40L58 72Z" fill="#ffffff" stroke="#14866a" stroke-width="2"/> |
| <text x="138" y="31" fill="#0f765d" font-size="18" font-weight="800">Context Engineering</text> |
| <text x="138" y="53" fill="#586273" font-size="12">State, memory, documents,</text> |
| <text x="138" y="70" fill="#586273" font-size="12">and examples the agent sees.</text> |
| </g> |
|
|
| <g transform="translate(24 442)"> |
| <path d="M0 40L58 8L116 40L58 72Z" fill="#ffffff" stroke="#111318" stroke-width="2"/> |
| <text x="138" y="31" fill="#111318" font-size="18" font-weight="800">Prompt Engineering</text> |
| <text x="138" y="53" fill="#586273" font-size="12">The instruction and interaction</text> |
| <text x="138" y="70" fill="#586273" font-size="12">for one model call.</text> |
| </g> |
|
|
| <line x1="24" y1="560" x2="396" y2="560" stroke="#cfd6e0"/> |
| <text x="24" y="590" fill="#586273" font-size="12">Prompt, context, and harness improve one run.</text> |
| <text x="24" y="614" fill="#1746d1" font-size="12" font-weight="800">Loop Engineering governs recurring work.</text> |
| </svg> |
|
|