tools-only Implicit Constraints
Opus: Infers unstated constraints from context. Knows a business email should be professional without being told.
Haiku: Follows explicit constraints well. May violate implicit ones. Tone, formality, and audience-appropriateness can drift.
Mitigation: Make every constraint explicit. Enumerate what Opus would assume.
Tone: professional and concise.
Audience: C-suite executives.
Avoid: jargon, hedging language, bullet points.
Include: specific metrics where available.
Ask yourself: what would a thoughtful person assume about this task that isn't written down? Write those assumptions as rules.