{
  "schemaVersion": "horizon.agent-architecture.v1",
  "project": "Horizon RunMap",
  "reviewedDate": "2026-09-16",
  "profile": "resident-qpacked-cache-v1",
  "scope": "Documented immutable-cache contract; original ADR scope is Qwen P0. Experiment-specific executors retain separate evidence and authority.",
  "source": "/evidence/releases/technical-preview-residency39-v3/horizon-technical-notes.md",
  "expertSourceRepresentation": "INT4 qpacked; selected campaign: block 256, FP16 scales",
  "gpuExpertRepresentation": "qpacked",
  "activationDtype": "FP16",
  "accumulationDtype": "executor-specific; UNKNOWN where undeclared",
  "nonRoutedPrecision": "BF16 checkpoint values materialized as FP16 in measured paths",
  "persistentExpandedExpertCache": false,
  "sourceAuthority": "complete immutable process-owned host backing",
  "missTransport": [
    "pageable host backing",
    "bounded pinned staging",
    "unpublished GPU spare"
  ],
  "eviction": "discard GPU copy after consumer retirement",
  "expertEvictionWriteback": false,
  "publication": "transfer completion before atomic complete-generation publication",
  "maxInflightMissTransactions": 1,
  "regimes": [
    "partial residency",
    "full residency"
  ],
  "measuredExecutorIdentityPreserved": true,
  "historicalProfileDistinction": "offload-qpacked materializes expanded FP16/BF16 execution slots; it is not this contract",
  "observationPolicy": {
    "missing": "UNKNOWN",
    "unavailableCapability": "UNSUPPORTED",
    "requiredZerosAre": "contract requirements, not inferred observations"
  }
}