function writeGuard(outcome,current,receipt,originalOperationId){
 const reason=outcome?.readyToWrite!==true||outcome.state!=='settled'||outcome.resultState!=='settled'?'result_not_ready':
  !/^[a-f0-9]{8}-[a-f0-9]{4}-[1-8][a-f0-9]{3}-[89ab][a-f0-9]{3}-[a-f0-9]{12}$/i.test(originalOperationId||'')||outcome.operationId!==originalOperationId?'operation_changed':
  !receipt||!['phone','messaging','complete'].includes(receipt.profile)||receipt.operationId!==originalOperationId?'receipt_required':
  !current||current.locationId!==receipt.locationId||current.id!==receipt.recordId?'contact_or_location_changed':
  current.revision!==receipt.revision?'source_revision_changed':current.phone!==receipt.phone?'source_phone_changed':
  (current.country?.toUpperCase()??null)!==receipt.country?'source_country_changed':
  !receipt.e164||outcome.result?.number?.valid!==true||outcome.result.number.e164!==receipt.e164||outcome.fields?.qp_phone_e164!==receipt.e164?'result_phone_changed':
  !outcome.result?.requestId||outcome.fields?.qp_phone_request_id!==outcome.result.requestId?'request_id_missing':
  current.lastRequestId===outcome.result.requestId?'already_written':null;
 if(reason)return {write:false,reason,operationId:originalOperationId??null};
 const owned={phone:['e164','country','type','carrier','ported','sms','sms_basis','reachable','checked_at','request_id'],messaging:['e164','country','whatsapp','telegram','checked_at','request_id'],complete:['e164','country','type','carrier','ported','sms','sms_basis','whatsapp','telegram','reachable','checked_at','request_id']}[receipt.profile];
 const fields={};
 for(const suffix of owned){const key='qp_phone_'+suffix;if(typeof outcome.fields[key]!=='string')return {write:false,reason:'result_field_missing',operationId:originalOperationId};fields[key]=outcome.fields[key];}
 return {write:true,reason:null,operationId:originalOperationId,fields};
}
function mappedContact(input){
 if(!input||typeof input!=='object'||Array.isArray(input))throw Error('Native contact inputs required.');
 // HighLevel parses number-like input values, including a leading +.
 // A fixed text prefix prevents coercion; never reconstruct lost digits.
 if(typeof input.sourcePhone!=='string'||!input.sourcePhone.startsWith('phone:'))throw Error('Map the source phone with its phone: text prefix.');
 const fields={locationId:input.locationId,id:input.contactId,phone:input.sourcePhone.slice(6),revision:input.sourceRevision};
 if(Object.values(fields).some(v=>typeof v!=='string'||!v||/\{\{.*\}\}/.test(v)))throw Error('Resolve the native contact fields before running.');
 // Empty native fields may arrive as numeric 0. Preserve emptiness with a
 // literal prefix at the mapping boundary; never infer an ID from a number.
 const country=typeof input.sourceCountry==='string'&&input.sourceCountry.startsWith('country:')?input.sourceCountry.slice(8):input.sourceCountry;
 if(country!==undefined&&country!==''&&(typeof country!=='string'||!/^[A-Za-z]{2}$/.test(country)))throw Error('Use a known two-letter country or leave it empty for international input.');
 const lastRequestId=typeof input.lastRequestId==='string'&&input.lastRequestId.startsWith('request:')?input.lastRequestId.slice(8):input.lastRequestId;
 if(lastRequestId!==undefined&&(typeof lastRequestId!=='string'||lastRequestId.length>250||/\{\{.*\}\}/.test(lastRequestId)))throw Error('Request reference must be resolved text.');
 return{...fields,...(country?{country:country.toUpperCase()}:{}),lastRequestId:lastRequestId||''};
}
function nativeObject(value,name){
 let parsed=value;
 if(typeof value==='string'){
  try{parsed=JSON.parse(value);}catch(error){
   // Native workflow interpolation HTML-encodes the JSON string. Decode
   // exactly one layer only when the opening JSON key is visibly encoded.
   if(!/^\s*\{(?:"|"|")/i.test(value))throw error;
   const entities={'quot':'"','amp':'&','apos':"'",'lt':'<','gt':'>'};
   const decoded=value.replace(/&(#x[0-9a-f]+|#[0-9]+|quot|amp|apos|lt|gt);/gi,(entity,key)=>{
    if(key[0]!=='#')return entities[key.toLowerCase()]??entity;
    const point=key[1].toLowerCase()==='x'?parseInt(key.slice(2),16):parseInt(key.slice(1),10);
    return point>0&&point<=0x10ffff?String.fromCodePoint(point):entity;
   });
   parsed=JSON.parse(decoded);
  }
 }
 if(!parsed||typeof parsed!=='object'||Array.isArray(parsed))throw Error(name+' must be a JSON object.');
 return parsed;
}
var output = writeGuard(nativeObject(inputData.outcome,'outcome'), mappedContact(inputData), nativeObject(inputData.receipt,'receipt'), inputData.originalOperationId);
return output;