seo-drift

Compare two SEO snapshots from the same source — GSC, the GSC AI Performance report, a rank-tracker export, or aeo-audit probes — into a drift report: top gainers and losers per metric, growth/decline/reshuffle/stable/new/lost classification, and a four-gate quality scorecard. Triggers on "/digital-marketing-pro:seo-drift", "compare this month's GSC export to last month's", "what moved after the core update", "did the content refresh work", "which queries lost AI Mode impressions". Runs scripts/seo_drift.py on two CSVs, reads the brand profile for noise thresholds, and branches findings to /digital-marketing-pro:seo-audit, /digital-marketing-pro:aeo-geo, or /digital-marketing-pro:content-engine.