Best Folk CRM Phone Validation API & Email Verification Integration 2025

// Folk CRM API integration with modern relationship validation
const FolkClient = require('folk-crm-api');
const fetch = require('node-fetch');

class FolkValidationIntegration {
  constructor(folkConfig, lookupApiKey) {
    this.folk = new FolkClient({
      apiKey: folkConfig.apiKey,
      baseUrl: folkConfig.baseUrl || 'https://api.folk.app'
    });
    this.lookupApiKey = lookupApiKey;
  }
  
  async createValidatedContact(contactData, relationshipContext = {}) {
    try {
      // Perform relationship-optimized validation
      const validation = await this.validateContactInfo(contactData);
      
      // Calculate modern relationship quality metrics
      const modernMetrics = this.calculateModernMetrics(validation, contactData, relationshipContext);
      
      // Gather relationship intelligence data
      const relationshipIntelligence = await this.gatherRelationshipIntelligence(contactData, validation);
      
      // Create contact in Folk CRM with modern validation data
      const contact = await this.folk.contacts.create({
        firstName: contactData.firstName,
        lastName: contactData.lastName,
        email: validation.email?.isValid ? contactData.email : null,
        phone: validation.phone?.isValid ? contactData.phone : null,
        company: contactData.company,
        jobTitle: contactData.jobTitle,
        
        // Modern CRM validation fields
        customFields: {
          validation_status: this.getValidationStatus(validation),
          phone_validation_result: validation.phone?.isValid ? 'Valid' : 'Invalid',
          phone_carrier: validation.phone?.carrier || '',
          phone_line_type: validation.phone?.lineType || '',
          phone_risk_level: validation.phone?.riskLevel || 'Unknown',
          phone_location: validation.phone?.location || '',
          
          email_validation_result: validation.email?.isValid ? 'Valid' : 'Invalid',
          email_deliverability: validation.email?.deliverable ? 'Deliverable' : 'Not Deliverable',
          email_risk_level: validation.email?.riskLevel || 'Unknown',
          
          // Modern relationship metrics
          relationship_score: modernMetrics.overallScore,
          modern_crm_efficiency: modernMetrics.modernCRMEfficiency,
          relationship_building_potential: modernMetrics.relationshipBuildingPotential,
          contact_quality_index: modernMetrics.contactQualityIndex,
          validation_timestamp: new Date().toISOString(),
          
          // Relationship intelligence fields
          relationship_type: this.determineRelationshipType(validation, modernMetrics),
          engagement_approach: this.recommendEngagementApproach(validation, modernMetrics),
          relationship_priority: this.calculateRelationshipPriority(modernMetrics),
          modern_workflow_path: this.determineModernWorkflowPath(validation, modernMetrics)
        },
        
        // Modern CRM tags
        tags: this.generateModernTags(validation, modernMetrics, relationshipIntelligence)
      });
      
      // Create relationship-focused activities
      await this.createModernActivities(contact.id, validation, modernMetrics);
      
      // Add to modern workflow automation
      await this.addToModernWorkflows(contact.id, validation, modernMetrics, relationshipIntelligence);
      
      // Update modern CRM analytics
      await this.updateModernAnalytics(validation, modernMetrics);
      
      // Create relationship opportunities
      if (modernMetrics.relationshipBuildingPotential >= 80) {
        await this.createRelationshipOpportunity(contact.id, validation, modernMetrics, relationshipIntelligence);
      }
      
      return {
        success: true,
        contactId: contact.id,
        validationResults: validation,
        modernMetrics: modernMetrics,
        relationshipIntelligence: relationshipIntelligence,
        modernStrategy: this.developModernStrategy(validation, modernMetrics, relationshipIntelligence),
        relationshipPlan: this.createRelationshipPlan(validation, modernMetrics, relationshipIntelligence)
      };
      
    } catch (error) {
      console.error('Folk CRM contact creation failed:', error);
      return { success: false, error: error.message };
    }
  }
  
  async validateContactInfo(contactData) {
    const results = {};
    
    // Modern relationship-optimized phone validation
    if (contactData.phone) {
      const phoneResponse = await fetch('https://app.1lookup.io/api/v1/phone', {
        method: 'POST',
        headers: {
          'Authorization': `Bearer ${this.lookupApiKey}`,
          'Content-Type': 'application/json'
        },
        body: JSON.stringify({ 
          phone: contactData.phone,
          include_carrier_details: true,
          include_location_details: true,
          include_risk_assessment: true,
          include_relationship_context: true,
          include_modern_metrics: true
        })
      });
      
      if (phoneResponse.ok) {
        const phoneData = await phoneResponse.json();
        results.phone = {
          isValid: phoneData.data.classification.is_valid,
          carrier: phoneData.data.carrier_details?.name,
          lineType: phoneData.data.carrier_details?.type,
          networkType: phoneData.data.carrier_details?.network_type,
          riskLevel: phoneData.data.risk_assessment?.risk_level,
          riskScore: phoneData.data.risk_assessment?.risk_score,
          location: phoneData.data.location_details?.city,
          state: phoneData.data.location_details?.state,
          country: phoneData.data.location_details?.country,
          timezone: phoneData.data.location_details?.timezone,
          relationshipContext: phoneData.data.relationship_context,
          modernMetrics: phoneData.data.modern_metrics,
          reachabilityScore: phoneData.data.classification.reachability_score,
          modernCompatibility: this.assessModernCompatibility(phoneData.data)
        };
      }
    }
    
    // Modern relationship-optimized email validation
    if (contactData.email) {
      const emailResponse = await fetch('https://app.1lookup.io/api/v1/email', {
        method: 'POST',
        headers: {
          'Authorization': `Bearer ${this.lookupApiKey}`,
          'Content-Type': 'application/json'
        },
        body: JSON.stringify({ 
          email: contactData.email,
          include_domain_details: true,
          include_risk_assessment: true,
          include_deliverability_check: true,
          include_relationship_intelligence: true,
          include_modern_engagement_metrics: true
        })
      });
      
      if (emailResponse.ok) {
        const emailData = await emailResponse.json();
        results.email = {
          isValid: emailData.data.classification.is_valid,
          deliverable: emailData.data.classification.deliverable,
          riskLevel: emailData.data.risk_assessment?.risk_level,
          riskScore: emailData.data.risk_assessment?.risk_score,
          domain: emailData.data.domain_details?.domain,
          domainAge: emailData.data.domain_details?.age_days,
          domainReputation: emailData.data.domain_details?.reputation,
          relationshipIntelligence: emailData.data.relationship_intelligence,
          modernEngagementMetrics: emailData.data.modern_engagement_metrics,
          relationshipPotential: emailData.data.relationship_potential,
          deliverabilityConfidence: emailData.data.classification.deliverability_confidence
        };
      }
    }
    
    return results;
  }
  
  calculateModernMetrics(validation, contactData, relationshipContext) {
    let overallScore = 0;
    let componentScores = {};
    
    // Phone validation scoring for modern relationship building
    if (validation.phone) {
      let phoneScore = 0;
      
      if (validation.phone.isValid) {
        phoneScore += 38; // Base validity for modern CRM
        
        // Modern CRM risk assessment
        switch (validation.phone.riskLevel) {
          case 'Low': phoneScore += 26; break;
          case 'Medium': phoneScore += 14; break;
          case 'High': phoneScore -= 6; break;
        }
        
        // Modern compatibility scoring
        phoneScore += validation.phone.modernCompatibility * 16;
        
        // Relationship context integration
        if (validation.phone.relationshipContext?.engagement_style === 'Modern') {
          phoneScore += 12;
        } else if (validation.phone.relationshipContext?.engagement_style === 'Professional') {
          phoneScore += 8;
        }
        
        // Line type for modern relationship building
        if (validation.phone.lineType === 'mobile') {
          phoneScore += 16; // Mobile preferred for modern engagement
        } else if (validation.phone.lineType === 'landline') {
          phoneScore += 10; // Still valuable for business relationships
        }
        
        // Modern metrics integration
        phoneScore += validation.phone.modernMetrics?.usability_score * 0.08 || 4;
        
      } else {
        phoneScore -= 16; // Invalid phone impacts modern relationship building
      }
      
      componentScores.phone = Math.max(0, Math.min(100, phoneScore));
      overallScore += componentScores.phone * 0.56; // 56% weight
    }
    
    // Email validation scoring for modern relationship building
    if (validation.email) {
      let emailScore = 0;
      
      if (validation.email.isValid) {
        emailScore += 34; // Base validity
        
        // Deliverability for modern communication
        if (validation.email.deliverable) {
          emailScore += 24;
          emailScore += validation.email.deliverabilityConfidence * 8;
        }
        
        // Relationship intelligence scoring
        emailScore += validation.email.relationshipIntelligence?.score * 0.14 || 7;
        
        // Modern engagement metrics
        emailScore += validation.email.modernEngagementMetrics?.score * 0.12 || 6;
        
        // Relationship potential
        emailScore += validation.email.relationshipPotential * 0.1 || 5;
        
        // Domain quality for modern trust
        if (validation.email.domainAge > 365) {
          emailScore += 9;
        }
        
        if (validation.email.domainReputation === 'High') {
          emailScore += 8;
        }
        
      } else {
        emailScore -= 14;
      }
      
      componentScores.email = Math.max(0, Math.min(100, emailScore));
      overallScore += componentScores.email * 0.44; // 44% weight
    }
    
    // Calculate modern CRM specific metrics
    const modernCRMEfficiency = this.calculateModernCRMEfficiency(validation, relationshipContext);
    const relationshipBuildingPotential = this.calculateRelationshipBuildingPotential(validation, contactData);
    const contactQualityIndex = this.calculateContactQualityIndex(validation);
    const modernWorkflowCompatibility = this.calculateModernWorkflowCompatibility(validation, relationshipContext);
    
    return {
      overallScore: Math.round(overallScore),
      componentScores: componentScores,
      modernCRMEfficiency: modernCRMEfficiency,
      relationshipBuildingPotential: relationshipBuildingPotential,
      contactQualityIndex: contactQualityIndex,
      modernWorkflowCompatibility: modernWorkflowCompatibility,
      calculationTimestamp: new Date().toISOString(),
      modernVersion: '2025.1'
    };
  }
  
  async gatherRelationshipIntelligence(contactData, validation) {
    // Gather modern relationship intelligence data
    const intelligence = {
      digitalPresence: {},
      professionalProfile: {},
      engagementHistory: {},
      relationshipNetwork: {},
      modernContactPreferences: {}
    };
    
    // Digital presence analysis
    if (validation.email?.domain) {
      intelligence.digitalPresence = {
        domain: validation.email.domain,
        digitalFootprint: validation.email.relationshipIntelligence?.digital_footprint,
        onlinePresence: validation.email.modernEngagementMetrics?.online_presence
      };
    }
    
    // Professional profile insights
    if (contactData.company && contactData.jobTitle) {
      intelligence.professionalProfile = {
        company: contactData.company,
        role: contactData.jobTitle,
        seniority: this.assessSeniorityLevel(contactData.jobTitle),
        influence: this.assessInfluenceLevel(validation, contactData)
      };
    }
    
    // Modern contact preferences
    intelligence.modernContactPreferences = {
      preferredChannel: this.determinePreferredChannel(validation),
      communicationStyle: this.inferCommunicationStyle(validation),
      responsiveness: this.predictResponsiveness(validation),
      engagementTiming: this.optimizeEngagementTiming(validation)
    };
    
    return intelligence;
  }
  
  determineRelationshipType(validation, modernMetrics) {
    const score = modernMetrics.relationshipBuildingPotential;
    
    if (score >= 85) return 'Strategic_Partnership';
    if (score >= 70) return 'Key_Business_Relationship';
    if (score >= 55) return 'Professional_Contact';
    if (score >= 40) return 'Network_Connection';
    return 'Basic_Contact';
  }
  
  recommendEngagementApproach(validation, modernMetrics) {
    const approaches = [];
    
    if (validation.phone?.modernCompatibility >= 0.8) {
      approaches.push('Direct_Personal_Communication');
    }
    
    if (validation.email?.modernEngagementMetrics?.score >= 80) {
      approaches.push('Digital_First_Engagement');
    }
    
    if (modernMetrics.modernWorkflowCompatibility >= 75) {
      approaches.push('Automated_Relationship_Nurturing');
    }
    
    if (modernMetrics.contactQualityIndex >= 85) {
      approaches.push('High_Touch_Relationship_Building');
    }
    
    return approaches.length > 0 ? approaches.join(', ') : 'Research_Based_Approach';
  }
  
  calculateRelationshipPriority(modernMetrics) {
    const potential = modernMetrics.relationshipBuildingPotential;
    const quality = modernMetrics.contactQualityIndex;
    const efficiency = modernMetrics.modernCRMEfficiency;
    
    const combinedScore = (potential * 0.4) + (quality * 0.35) + (efficiency * 0.25);
    
    if (combinedScore >= 85) return 'High';
    if (combinedScore >= 65) return 'Medium';
    return 'Low';
  }
  
  determineModernWorkflowPath(validation, modernMetrics) {
    const paths = [];
    
    if (modernMetrics.modernWorkflowCompatibility >= 85) {
      paths.push('Automated_Modern_Workflow');
    }
    
    if (validation.phone?.modernCompatibility >= 0.8) {
      paths.push('Phone_Relationship_Building');
    }
    
    if (validation.email?.modernEngagementMetrics?.automation_ready) {
      paths.push('Email_Relationship_Automation');
    }
    
    if (modernMetrics.relationshipBuildingPotential >= 75) {
      paths.push('High_Touch_Relationship_Path');
    } else {
      paths.push('Standard_Relationship_Path');
    }
    
    return paths.join(', ');
  }
  
  async createModernActivities(contactId, validation, modernMetrics) {
    const activities = [];
    
    // Create modern relationship building activities
    if (modernMetrics.relationshipBuildingPotential >= 80) {
      activities.push({
        type: 'meeting',
        contactId: contactId,
        title: 'High Relationship Potential - Strategic Outreach',
        description: `Modern Score: ${modernMetrics.overallScore} - Relationship building opportunity`,
        dueDate: new Date(Date.now() + 4 * 60 * 60 * 1000), // 4 hours
        priority: 'high'
      });
    }
    
    if (modernMetrics.contactQualityIndex >= 75) {
      activities.push({
        type: 'task',
        contactId: contactId,
        title: 'Contact Profile Enhancement',
        description: 'Research additional relationship context and modern engagement opportunities',
        dueDate: new Date(Date.now() + 8 * 60 * 60 * 1000), // 8 hours
        priority: 'medium'
      });
    }
    
    if (modernMetrics.modernWorkflowCompatibility >= 70) {
      activities.push({
        type: 'task',
        contactId: contactId,
        title: 'Modern Workflow Setup',
        description: 'Configure automated modern relationship workflows',
        dueDate: new Date(Date.now() + 12 * 60 * 60 * 1000), // 12 hours
        priority: 'medium'
      });
    }
    
    // Create activities in Folk CRM
    for (const activity of activities) {
      try {
        await this.folk.activities.create(activity);
      } catch (error) {
        console.error('Failed to create modern activity:', error);
      }
    }
  }
  
  generateModernTags(validation, modernMetrics, relationshipIntelligence) {
    const tags = [];
    
    // Validation-based tags
    if (validation.phone?.isValid) {
      tags.push('phone-validated');
      
      if (validation.phone.modernCompatibility >= 0.8) {
        tags.push('modern-phone-ready');
      }
    }
    
    if (validation.email?.deliverable) {
      tags.push('email-validated');
      
      if (validation.email.modernEngagementMetrics?.score >= 80) {
        tags.push('modern-email-optimized');
      }
    }
    
    // Modern CRM tags
    if (modernMetrics.relationshipBuildingPotential >= 80) {
      tags.push('high-relationship-potential');
    }
    
    if (modernMetrics.modernCRMEfficiency >= 85) {
      tags.push('modern-crm-optimized');
    }
    
    // Relationship intelligence tags
    if (relationshipIntelligence.digitalPresence?.onlinePresence === 'Strong') {
      tags.push('strong-digital-presence');
    }
    
    if (relationshipIntelligence.professionalProfile?.influence === 'High') {
      tags.push('high-influence-contact');
    }
    
    return tags;
  }
  
  developModernStrategy(validation, modernMetrics, relationshipIntelligence) {
    return {
      primaryApproach: this.recommendEngagementApproach(validation, modernMetrics),
      relationshipGoals: this.defineModernRelationshipGoals(modernMetrics),
      communicationChannels: this.identifyOptimalChannels(validation, relationshipIntelligence),
      engagementFrequency: modernMetrics.relationshipBuildingPotential >= 80 ? 'High' : 
                          modernMetrics.relationshipBuildingPotential >= 60 ? 'Medium' : 'Low',
      modernWorkflowIntegration: modernMetrics.modernWorkflowCompatibility >= 70,
      expectedRelationshipValue: this.calculateRelationshipValue(modernMetrics),
      timeline: modernMetrics.relationshipBuildingPotential >= 80 ? '2-3 weeks' : '1-2 months',
      successMetrics: ['Engagement_Rate', 'Response_Quality', 'Relationship_Depth']
    };
  }
  
  createRelationshipPlan(validation, modernMetrics, relationshipIntelligence) {
    return {
      phase1: {
        name: 'Initial_Contact_Validation',
        duration: '1 week',
        activities: ['Phone_Verification', 'Email_Validation', 'Profile_Research'],
        successCriteria: 'Contact_Information_Verified'
      },
      phase2: {
        name: 'Relationship_Assessment',
        duration: '2 weeks', 
        activities: ['Engagement_Testing', 'Communication_Preference_Discovery', 'Value_Proposition_Alignment'],
        successCriteria: 'Engagement_Pattern_Established'
      },
      phase3: {
        name: 'Modern_Relationship_Building',
        duration: 'Ongoing',
        activities: ['Regular_Value_Delivery', 'Relationship_Deepening', 'Strategic_Collaboration'],
        successCriteria: 'Strong_Business_Relationship'
      },
      automationLevel: modernMetrics.modernWorkflowCompatibility >= 75 ? 'High' : 'Medium',
      personalTouchPoints: this.identifyPersonalTouchPoints(relationshipIntelligence),
      relationshipMilestones: this.defineRelationshipMilestones(modernMetrics)
    };
  }
  
  // Helper methods
  assessModernCompatibility(phoneData) {
    let compatibility = 0.4;
    
    if (phoneData.classification.is_valid) compatibility += 0.2;
    if (phoneData.risk_assessment?.risk_level === 'Low') compatibility += 0.15;
    if (phoneData.modern_metrics?.user_experience_score >= 80) compatibility += 0.15;
    if (phoneData.relationship_context?.modern_engagement_ready) compatibility += 0.1;
    
    return Math.min(1.0, compatibility);
  }
  
  calculateModernCRMEfficiency(validation, relationshipContext) {
    let efficiency = 35;
    
    if (validation.phone?.isValid && validation.phone.modernCompatibility >= 0.8) {
      efficiency += 32;
    }
    
    if (validation.email?.deliverable && validation.email.modernEngagementMetrics?.automation_ready) {
      efficiency += 28;
    }
    
    if (relationshipContext.modernTools) efficiency += 15;
    
    return Math.min(100, efficiency);
  }
  
  calculateRelationshipBuildingPotential(validation, contactData) {
    let potential = 25;
    
    if (validation.phone?.relationshipContext?.engagement_potential >= 80) {
      potential += 35;
    }
    
    if (validation.email?.relationshipPotential >= 75) {
      potential += 30;
    }
    
    if (contactData.company && contactData.jobTitle) {
      potential += 20; // Professional context
    }
    
    if (validation.phone?.modernCompatibility >= 0.8 && validation.email?.modernEngagementMetrics?.score >= 75) {
      potential += 15; // Multi-channel modern compatibility
    }
    
    return Math.min(100, potential);
  }
  
  calculateContactQualityIndex(validation) {
    let index = 30;
    
    if (validation.phone?.isValid && validation.email?.deliverable) {
      index += 40; // Complete contact information
    }
    
    if (validation.phone?.riskLevel === 'Low' && validation.email?.riskLevel === 'Low') {
      index += 25; // High trust level
    }
    
    if (validation.phone?.modernMetrics?.quality_indicators >= 3) {
      index += 15; // Multiple quality indicators
    }
    
    return Math.min(100, index);
  }
  
  calculateModernWorkflowCompatibility(validation, relationshipContext) {
    let compatibility = 20;
    
    if (validation.phone?.modernCompatibility >= 0.8) compatibility += 30;
    if (validation.email?.modernEngagementMetrics?.automation_ready) compatibility += 25;
    if (relationshipContext.workflowReadiness === 'High') compatibility += 20;
    if (validation.phone?.relationshipContext?.modern_workflow_ready) compatibility += 15;
    
    return Math.min(100, compatibility);
  }
  
  assessSeniorityLevel(jobTitle) {
    const seniorTitles = ['CEO', 'CTO', 'VP', 'Director', 'President', 'Manager'];
    const title = jobTitle?.toLowerCase() || '';
    
    for (const seniorTitle of seniorTitles) {
      if (title.includes(seniorTitle.toLowerCase())) {
        return 'Senior';
      }
    }
    
    return 'Individual_Contributor';
  }
  
  assessInfluenceLevel(validation, contactData) {
    let influence = 'Medium';
    
    if (contactData.jobTitle?.toLowerCase().includes('ceo') || 
        contactData.jobTitle?.toLowerCase().includes('president')) {
      influence = 'Very_High';
    } else if (contactData.jobTitle?.toLowerCase().includes('vp') || 
               contactData.jobTitle?.toLowerCase().includes('director')) {
      influence = 'High';
    } else if (contactData.jobTitle?.toLowerCase().includes('manager')) {
      influence = 'Medium_High';
    }
    
    return influence;
  }
  
  determinePreferredChannel(validation) {
    if (validation.phone?.modernCompatibility >= 0.8) {
      return validation.phone.lineType === 'mobile' ? 'Mobile_Phone' : 'Voice_Call';
    }
    
    if (validation.email?.modernEngagementMetrics?.score >= 80) {
      return 'Email';
    }
    
    return 'Multi_Channel';
  }
  
  inferCommunicationStyle(validation) {
    if (validation.phone?.relationshipContext?.communication_style) {
      return validation.phone.relationshipContext.communication_style;
    }
    
    if (validation.email?.modernEngagementMetrics?.preferred_style) {
      return validation.email.modernEngagementMetrics.preferred_style;
    }
    
    return 'Professional';
  }
  
  predictResponsiveness(validation) {
    let responsiveness = 'Medium';
    
    if (validation.phone?.reachabilityScore >= 0.9 && validation.email?.deliverabilityConfidence >= 0.9) {
      responsiveness = 'High';
    } else if (validation.phone?.reachabilityScore <= 0.6 || validation.email?.deliverabilityConfidence <= 0.6) {
      responsiveness = 'Low';
    }
    
    return responsiveness;
  }
  
  optimizeEngagementTiming(validation) {
    const timezone = validation.phone?.timezone || 'UTC';
    
    return {
      timezone: timezone,
      optimalDays: ['Tuesday', 'Wednesday', 'Thursday'],
      optimalHours: ['10:00', '14:00', '16:00'],
      avoidTimes: ['Monday_Morning', 'Friday_Afternoon']
    };
  }
  
  defineModernRelationshipGoals(modernMetrics) {
    if (modernMetrics.relationshipBuildingPotential >= 85) {
      return ['Partnership_Development', 'Strategic_Collaboration', 'Long_Term_Value_Creation'];
    } else if (modernMetrics.relationshipBuildingPotential >= 65) {
      return ['Professional_Relationship', 'Regular_Engagement', 'Mutual_Value_Exchange'];
    } else {
      return ['Basic_Professional_Contact', 'Occasional_Updates', 'Network_Maintenance'];
    }
  }
  
  identifyOptimalChannels(validation, relationshipIntelligence) {
    const channels = [];
    
    if (validation.phone?.isValid && validation.phone.modernCompatibility >= 0.7) {
      channels.push('Phone', 'SMS');
    }
    
    if (validation.email?.deliverable && validation.email.modernEngagementMetrics?.score >= 70) {
      channels.push('Email', 'Newsletter');
    }
    
    if (relationshipIntelligence.digitalPresence?.onlinePresence === 'Strong') {
      channels.push('Social_Media', 'Professional_Networks');
    }
    
    return channels;
  }
  
  calculateRelationshipValue(modernMetrics) {
    const baseValue = 2500;
    const multiplier = modernMetrics.relationshipBuildingPotential / 100;
    const qualityBonus = modernMetrics.contactQualityIndex * 15;
    
    return Math.round(baseValue * multiplier + qualityBonus);
  }
  
  identifyPersonalTouchPoints(relationshipIntelligence) {
    const touchPoints = [];
    
    if (relationshipIntelligence.professionalProfile?.influence === 'High') {
      touchPoints.push('Executive_Level_Meeting');
    }
    
    if (relationshipIntelligence.modernContactPreferences?.preferredChannel === 'Phone') {
      touchPoints.push('Personal_Phone_Call');
    }
    
    if (relationshipIntelligence.digitalPresence?.onlinePresence === 'Strong') {
      touchPoints.push('Social_Media_Engagement');
    }
    
    touchPoints.push('Personalized_Email', 'Industry_Event_Invitation');
    
    return touchPoints;
  }
  
  defineRelationshipMilestones(modernMetrics) {
    return [
      {
        milestone: 'Initial_Contact_Established',
        timeframe: '1 week',
        criteria: 'Successful_Two_Way_Communication'
      },
      {
        milestone: 'Professional_Relationship_Confirmed',
        timeframe: '1 month',
        criteria: 'Regular_Engagement_Pattern'
      },
      {
        milestone: 'Value_Exchange_Initiated',
        timeframe: '2 months',
        criteria: 'Mutual_Benefit_Identification'
      },
      {
        milestone: 'Strategic_Relationship_Achieved',
        timeframe: '6 months',
        criteria: 'Partnership_Level_Collaboration'
      }
    ];
  }
  
  getValidationStatus(validation) {
    const phoneValid = validation.phone?.isValid || false;
    const emailValid = validation.email?.isValid || false;
    
    if (phoneValid && emailValid) return 'Fully_Validated';
    if (phoneValid || emailValid) return 'Partially_Validated';
    return 'Validation_Required';
  }
}

// Usage example
const folkIntegration = new FolkValidationIntegration({
  apiKey: process.env.FOLK_API_KEY,
  baseUrl: 'https://api.folk.app'
}, process.env.LOOKUP_API_KEY);

// Create modern relationship-focused validated contact
const result = await folkIntegration.createValidatedContact({
  firstName: 'Maya',
  lastName: 'Chen',
  email: 'maya@moderntech.com',
  phone: '+1234567890',
  company: 'Modern Tech Solutions',
  jobTitle: 'Chief Innovation Officer'
}, {
  modernTools: true,
  workflowReadiness: 'High',
  relationshipGoal: 'strategic_partnership',
  engagementStyle: 'modern_professional'
});

console.log('Folk CRM modern relationship validation result:', result);