š Idempotency first. A re-run should never double-act. Dedupe on a stable key, not on timing.
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Validate the modelās output before trusting it. An LLM will confidently return malformed JSON at 2am. Schema-check it, or it breaks downstream silently.
š§Æ Guardrails over capability. Read-only tools, rate-limited API calls, and āask a human before anything irreversibleā beat a clever agent with full access.
š§® Know your cost ceiling. Tokens, vector-DB RAM, and API quotas are the three bills that quietly scale with your success.