Implementation Notes & Acceptance Criteria

• Ad flow: Active-default filter; select-all on filtered results; selections persist on clear; Reset/Clear; “Track Clicks” step; Preview All with right-panel list; Holdout=10% (≥5%); campaign membership immutable post-launch.

• Analytics: behavioral metrics and AI summaries available across Ads Personalization and Audience Personalization; variant-level aggregation for experiments and audience flows; Original vs Avg(Variants) aggregation for Ad flows. CSV exports enabled.

• Widgets: available in Ad/Audience/A-B flows; smart templates + AI generator; GA-informed trigger suggestions; centralised leads with CSV and webhook; performance table by template/variant.