Fetch /ai.txt [fail]! /ai.txt returned HTTP 490.INFOFetch /ai.txtINFORequesting optional advisory policy file at /ai.txtFAILCompare /ai.txt HTTP response actual=490 expected="2xx when ai.txt is intentionally published; 404/410 means absent optional file" contentType="text/html" length=339214FAIL/ai.txt returned HTTP 490. statusCode=490Validate transport [fail]! ai.txt appears to be an HTML page or error document rather than a plain-text policy.INFOValidate transportINFOChecking ai.txt media type, size, line count, and whether the response looks like plain text contentType="text/html" length=339214 lineCount=4925FAILCompare media type to preferred text/plain transport actual="text/html" expected="text/plain preferred; readable text required"FAILai.txt appears to be an HTML page or error document rather than a plain-text policy.Parse ai.txt policy [fail]! Transport validation failed before policy parsing could be trusted.INFOParse ai.txt policyINFODetecting ai.txt convention from bracket sections, frontmatter, headings, and ai.txt context linksINFODetected policy structure convention="unknown-text" sections=[] markdownHeadings=[]WARNCheck AI Visibility required sections actual="missing identity, permissions, restrictions" expected="identity, permissions, and restrictions" missingRecommended=["attribution","contact","content-types"]WARNTransport validation failed before policy parsing could be trusted.Validate policy content [warning]! ai.txt does not follow the AI Visibility section model; treating it as non-standard advisory text.INFOValidate policy contentINFOChecking required section content, permission/restriction language, attribution, contact details, and safety risks convention="unknown-text"INFODetected policy signals hasPermissionLanguage=false hasRestrictionLanguage=false hasTrainingLanguage=true hasAttributionLanguage=true hasContact=falseWARNCheck required and recommended section coverage actual={"missingRequired":["identity","permissions","restrictions"],"missingRecommended":["attribution","contact","content-types"]} expected={"missingRequired":[],"recommendedPresentWhenPossible":true}WARNai.txt does not follow the AI Visibility section model; treating it as non-standard advisory text.