{
"type": "SET",
"op_list": [
{
"type": "SET_VALUE",
"ref": "/apps/knowledge/explorations/0x0064be11Eeb5ecf0bff5076F642A44bA006994b1/lessons|architecture/-Oxn1ruy02K1mMsOm1Je",
"value": {
"topic_path": "lessons/architecture",
"title": "Event Sourcing over CRUD for Audit Trail Compliance",
"content": "Decision: Move from standard CRUD to Event Sourcing using Kafka for financial transaction audit trail. Alternatives considered: database triggers (rejected - loses business context) and standard CRUD (rejected - overwrites state). Code: src/services/transactionService.ts and src/events/eventStore.ts. Reference: Martin Fowler Event Sourcing Pattern.",
"summary": "Adopted Event Sourcing over CRUD and database triggers for audit trail compliance.",
"depth": 2,
"tags": "lesson_learned,event-sourcing,audit-trail,compliance,kafka,postgresql",
"price": null,
"gateway_url": null,
"content_hash": null,
"created_at": 1784341561022,
"updated_at": 1784341561022
}
},
{
"type": "SET_VALUE",
"ref": "/apps/knowledge/index/by_topic/lessons|architecture/explorers/0x0064be11Eeb5ecf0bff5076F642A44bA006994b1",
"value": 48
},
{
"type": "SET_VALUE",
"ref": "/apps/knowledge/graph/nodes/0x0064be11Eeb5ecf0bff5076F642A44bA006994b1_lessons|architecture_-Oxn1ruy02K1mMsOm1Je",
"value": {
"address": "0x0064be11Eeb5ecf0bff5076F642A44bA006994b1",
"topic_path": "lessons/architecture",
"entry_id": "-Oxn1ruy02K1mMsOm1Je",
"title": "Event Sourcing over CRUD for Audit Trail Compliance",
"depth": 2,
"created_at": 1784341561022
}
}
]
}