experiment_id: "" date_planned: "" platform: "" placement: "" objective: "" audience: "" offer: "" landing_page: "" source_material: "" hypothesis: "" control: hook: "" angle: "" disclosure_mode: "" proof_mode: "" variants: - id: A hook: "" angle: "" disclosure_mode: answer-first proof_mode: "" - id: B hook: "" angle: "" disclosure_mode: evidence-first proof_mode: "" primary_metric: "" business_metric: "qualified_actions_per_1000_impressions" guardrails: - "" - "" baseline_rate: null minimum_detectable_effect: null mde_type: relative alpha: 0.05 power: 0.80 allocation: equal stopping_rule: "" replication_rule: "" notes: ""