Rag Admin Search Request
data class RagAdminSearchRequest(val tenantId: String, val principals: List<String>, val query: String, val topK: Int = 8, val filter: Map<String, String> = emptyMap(), val providerHealthDetail: Boolean = true, val recentProviderWindowMillis: Long? = null, val diagnosticScoreThreshold: Double = Double.NEGATIVE_INFINITY, val diagnosticMaxSamples: Int = 5)