Sanitized x402 Failure-Fact Classifier

Expected input

{"type":"object","required":["failure_facts"],"properties":{"failure_facts":{"type":"object","properties":{"http_status":{"type":"integer","minimum":100,"maximum":599},"x402_version":{"type":"integer","minimum":1,"maximum":2},"scheme":{"type":"string","maxLength":64},"network":{"type":"string","maxLength":64},"currency":{"type":"string","enum":["USDC"]},"amount":{"type":"string","maxLength":32},"receiver":{"type":"string","maxLength":80},"resource_path":{"type":"string","maxLength":160},"facilitator_error_code":{"type":"string","pattern":"^[A-Za-z0-9_.:-]{1,120}$"},"target_error_code":{"type":"string","pattern":"^[A-Za-z0-9_.:-]{1,120}$"},"retry_status":{"type":"string","maxLength":64},"present_header_names":{"type":"array","items":{"type":"string","maxLength":80},"maxItems":40}},"additionalProperties":false},"expected_facts":{"type":"object","properties":{"resource_path":{"type":"string","maxLength":160},"tool_id":{"type":"string","maxLength":120},"scheme":{"type":"string","maxLength":64},"network":{"type":"string","maxLength":64},"currency":{"type":"string","enum":["USDC"]},"amount":{"type":"string","maxLength":32},"receiver":{"type":"string","maxLength":80}},"additionalProperties":false},"caller_context":{"type":"object","properties":{"environment":{"type":"string","enum":["local","preview","production","test","unknown"]},"integration_step":{"type":"string","enum":["challenge","sign","retry","verify","settle","target_response","unknown"]},"client_name":{"type":"string","pattern":"^[A-Za-z0-9_. -]{1,80}$"},"client_version":{"type":"string","pattern":"^[A-Za-z0-9_.:-]{1,40}$"}},"additionalProperties":false}},"additionalProperties":false}

What it returns

{"type":"object","required":["product_family","endpoint","tool_id","version","request_id","x402_request_id","generated_at","decision","confidence","summary","risk_flags","recommended_next_action","limitations","metadata","likely_cause","evidence"],"properties":{"product_family":{"const":"agent_expansion_v3_api"},"endpoint":{"const":"x402-failure-fact-classifier"},"tool_id":{"const":"x402_failure_fact_classifier"},"version":{"const":"v0.1"},"request_id":{"type":"string"},"x402_request_id":{"type":"string"},"generated_at":{"type":"string","format":"date-time"},"decision":{"type":"string"},"confidence":{"type":"string","enum":["high","medium","low"]},"summary":{"type":"string"},"risk_flags":{"type":"array","items":{"type":"string"}},"recommended_next_action":{"type":"string"},"limitations":{"type":"array","items":{"type":"string"}},"pricePaid":{"type":"object"},"metadata":{"type":"object","required":["paymentStatus"],"properties":{"paymentStatus":{"type":"string"}},"additionalProperties":false},"likely_cause":{"type":"string"},"evidence":{"type":"array","items":{"type":"object"}}},"additionalProperties":false}