{"error":"Missing required context fields","missing_fields":["vehicle.real_brake_pad_price_range_usd","service.duration_minutes","vehicle.oem_brake_pad_life_miles","service.what_is_included","rooftop.warranty_terms.brakes","rooftop.climate_context","rooftop.neighborhoods_served","rooftop.years_in_operation","rooftop.certified_tech_count","vehicle.common_issues"],"message":"I can produce the exact HTML and meta description you requested, but several required data fields for the brake-focused FAQ and service sections are missing from the provided context. Please provide the values below (JSON or plain text) so I can complete the content without fabricating facts:\n\n- vehicle.real_brake_pad_price_range_usd (e.g., \"[120, 240]\" for per-axle price range USD)\n- service.duration_minutes (number, e.g., 60) — indicate whether this is per axle or all four\n- vehicle.oem_brake_pad_life_miles (number, e.g., 35000)\n- service.what_is_included (array or sentence describing included steps)\n- rooftop.warranty_terms.brakes (exact warranty language or summary)\n- rooftop.climate_context (short phrase about local conditions, e.g., \"hot summers, winter salt, stop-and-go urban traffic\")\n- rooftop.neighborhoods_served (comma-separated list of local areas served)\n- rooftop.years_in_operation (number of years)\n- rooftop.certified_tech_count (number of certified technicians)\n- vehicle.common_issues (array or short list of known brake or related TSBs/common issues)\n\nIf you prefer, I can also accept a full context JSON with these fields filled in. Once I have them I will return the required JSON object with \"content\" (HTML) and \"description\" (meta description)."}