Act like a [role/persona]. Your goal is to [outcome] for a [audience]. Task: [one sentence, imperative verb] Requirements: 1) [requirement 1] 2) [requirement 2] 3) [requirement 3] Context: /// [paste only relevant excerpts here] /// Constraints: - Format: [bullets/markdown/table] - Style: [plain, analytical, concise] - Scope: [include X, exclude Y] - Reasoning: [Think step-by-step, then answer] - Self-check: Verify all constraints before final answer.