experiment_id	sku_scope	eligibility_rule	control_media	treatment_media	assignment_unit	split	primary_metric	baseline_rate	mde_absolute	alpha	power	required_sessions_per_arm	guardrails	rollback_rule	status	evidence_label
NORTHLINE-PDP-VIDEO-001	one fictional amber-serum SKU	first eligible PDP exposure per visitor	approved static hero image	same product and poster plus approved 5-second muted loop	visitor_id persisted for experiment	50/50	add_to_cart_per_exposed_visitor	0.050	0.010	0.050	0.800	8158	product truth; LCP p75; video errors; checkout; accessibility	immediate rollback for wrong product/variant, broken controls, material LCP regression, playback error, or checkout failure	NOT_RUN	FICTIONAL_WORKED_EXAMPLE_NOT_LIVE_RESULT