Shift from letting an LLM manage its own execution loop to a design where a deterministic orchestrator controls the flow. The LLM's role becomes a stateless node that simply processes input or selects from a predefined list of valid next steps.
Stop aiming for perfect model compliance. Instead, accept that LLMs will fail to follow instructions 1-3% of the time. True system reliability comes from robustly handling this failure spike with fallbacks like heuristics, cached results, or human review queues.
Prompts are effective for guiding a model's probabilistic behavior but are too unreliable for enforcing critical business logic. Use deterministic software—like schema validation and finite state machines—to guarantee rules and prevent production failures.