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fix(native-cluster): reuse the deployed quarantine producer's pair cache #269

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Merged
hannesrudolph merged 1 commit into from
Oct 22, 2026
Merged

fix(native-cluster): reuse the deployed quarantine producer's pair cache #269

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12 changes: 11 additions & 1 deletion scripts/native-cluster/cmd/cache.go
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,16 @@ const cacheFormat = "gitcrawl.native-pair-cache.v1"
// A copied parent keeps this provenance, never relabels it as the new binary.
const reviewedSubsetCacheProducer = "db85fc43e9b05a709501e458b682da7b86c097c7e915985c6b3eda354851a36f"

// reviewedQuarantineCacheProducer is the deployed identity-quarantine combined
// producer (2026-10-20). Later producers change only what they write after the
// graph (for example v3 candidate generations), not the pair algorithm,
// encoding or lineage checks, so its complete cache remains reusable.
const reviewedQuarantineCacheProducer = "1b423688055470a1ef921d6ca2b237e670f528111c6132dd1d7772ace56a2ed8"

func reviewedCacheProducer(hash string) bool {
return hash == reviewedSubsetCacheProducer || hash == reviewedQuarantineCacheProducer
}

type pairCacheFile struct {
Producer string `json:"producer_sha256"`
Format string `json:"format"`
Expand Down Expand Up @@ -89,7 +99,7 @@ func loadPairs(dir string, snap store.NativeClusterSnapshot) (*similarityCache,
if e != nil {
return nil, "", e
}
if c.Producer != producer && c.Producer != reviewedSubsetCacheProducer {
if c.Producer != producer && !reviewedCacheProducer(c.Producer) {
return nil, "", fmt.Errorf("unrecognized complete-cache producer; evidence retained")
}
if c.Format != cacheFormat || c.Algorithm != store.NativeClusterAlgorithm || c.Model != "text-embedding-3-small" || c.Basis != "title_original" || c.Dimensions != 1536 {
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3 changes: 3 additions & 0 deletions scripts/native-cluster/cmd/cache_test.go
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Expand Up @@ -127,6 +127,9 @@ func TestReviewedParentCacheReusePreservesProvenance(t *testing.T) {
var f pairCacheFile
json.Unmarshal(raw, &f)
f.Producer = reviewedSubsetCacheProducer
if !reviewedCacheProducer(reviewedQuarantineCacheProducer) || reviewedCacheProducer(store.NativeSHA256([]byte("unreviewed"))) {
t.Fatal("reviewed producer set changed")
}
raw, _ = json.Marshal(f)
parent := store.NativeSHA256(raw)
os.WriteFile(filepath.Join(dir, parent+".json"), raw, 0600)
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