Detect A2A card version [fail]! The discovered JSON document does not match a supported A2A Agent Card version family.INFODetect A2A card versionINFORead version indicators from the card detectionEvidence=[]FAILCompare detected A2A version family actual="unknown" expected="v0.1, v0.2, v0.3, or v1"FAILThe discovered JSON document does not match a supported A2A Agent Card version family.Validate version-specific card shape [fail]! A2A Agent Card response is not valid JSON.INFOValidate version-specific card shapeFAILCompare missing required card fields actual="none" expected="none"FAILCheck every declared A2A skill has required name, description, and endpoint fields actual=0 expected=0 invalidSkills=[]INFOReview declared endpoint interfaces interfaces=[]FAILA2A Agent Card response is not valid JSON.Validate HTTP delivery [warning]! The card was parseable JSON but was not served with a JSON-compatible content type.INFOValidate HTTP deliveryWARNCompare card Content-Type with JSON expectation actual="text/html; charset=utf-8" expected="application/json or +json"INFOReview selected discovery path path="/.well-known/agent-card.json" pathClass="canonical-current"WARNThe card was parseable JSON but was not served with a JSON-compatible content type.Probe same-origin A2A endpoint [warning]! A2A endpoint probing was skipped because the endpoint was cross-origin, unavailable from the card, or uses an unsupported binding.INFOProbe same-origin A2A endpointINFOProbe same-origin A2A endpoint when scanner policy allows itSKIPSkipped endpoint probe reason="No valid A2A card was available to probe."WARNA2A endpoint probing was skipped because the endpoint was cross-origin, unavailable from the card, or uses an unsupported binding.