Listar conversas de WhatsApp

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{  "type": "unauthorized",  "title": "Authentication Required",  "status": 401,  "detail": "authentication required",  "code": "unauthorized.auth_required",  "request_id": "req_abc123",  "timestamp": "2026-02-15T12:00:00Z",  "documentation_url": "https://docs.nobur.com.br/errors/unauthorized"}

{  "type": "forbidden",  "title": "Access Denied",  "status": 403,  "detail": "insufficient permissions",  "code": "forbidden.insufficient_permissions",  "request_id": "req_abc123",  "timestamp": "2026-02-15T12:00:00Z",  "documentation_url": "https://docs.nobur.com.br/errors/forbidden"}

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{  "type": "internal",  "title": "Internal Server Error",  "status": 500,  "detail": "an unexpected error occurred",  "code": "internal.unexpected",  "request_id": "req_abc123",  "timestamp": "2026-02-15T12:00:00Z",  "documentation_url": "https://docs.nobur.com.br/errors/internal"}