{
  "id": "b2b-lifecycle-revenue-crm",
  "name": "Pillar 04: Enterprise Lead Lifecycle & CRM Sync",
  "version": "2026-09",
  "lastUpdated": "2026-09-05",
  "author": "Alex, Principal AI Infrastructure Architect",
  "sourceUrl": "https://www.wenboom.com/blueprints/b2b-lifecycle-revenue-crm",
  "testEnvironment": {
    "testedAt": "2026-08"
  },
  "metrics": {
    "duplicateContactRate": "0.01%",
    "stateCorruption": "0/month",
    "apiFailureRate": "0.02%",
    "idempotency": "SHA-256 tokens"
  },
  "architecture": {
    "pattern": "Deterministic State Machine Engine",
    "crmRole": "ActiveCampaign single-source-of-truth updates",
    "idempotency": "SHA-256 idempotency tokens on all write operations",
    "stateValidation": "monotonic lifecycle state transition validation",
    "deadLetterQueue": "out-of-order event quarantine and replay",
    "raceConditionPrevention": "Redis atomic locks"
  },
  "failureModes": [
    {
      "mode": "Duplicate contact creation",
      "fix": "SHA-256 idempotency tokens + deterministic dedup keys"
    },
    {
      "mode": "Out-of-order lifecycle events",
      "fix": "Dead Letter Queue + monotonic state transition validation"
    },
    {
      "mode": "Race condition on concurrent updates",
      "fix": "Redis atomic locks before ActiveCampaign write"
    },
    {
      "mode": "API failure during sync",
      "fix": "RLRP circuit breaker + retry with exponential backoff"
    }
  ]
}