Separate a real Google Search decline from GA4 referral noise with one incident card, Search Console segmentation, analytics classification, and independent recovery rules.
Diagnose a crawler-facing robots.txt failure across DNS, IPv4 and IPv6, TLS, CDN, WAF, redirects, and origin logs instead of trusting one browser request.
Use a 12-point launch gate and a matched-query test to decide whether an AI-assisted tool library creates distinct utility or thin indexable templates.
Choose what to do with an expired event, offer, deadline, or annual page using reader intent, replacement equivalence, historical value, accuracy, and recurring demand.
Migrate Gemini test harnesses after temperature, top_p, and top_k deprecation while preserving model, grounding, citation, latency, and usage evidence.