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kernel: re-home HDC drift annotation from WF11 to WF15 #55

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Merged
MSD21091969 merged 2 commits into from
Jul 9, 2026
Merged

kernel: re-home HDC drift annotation from WF11 to WF15 #55

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1dc24ad
kernel: re-home HDC drift annotation link to WF15 contract
MSD21091969 Jul 9, 2026
0ed1d70
kernel: hoist drift annotation semantic constants
MSD21091969 Jul 9, 2026
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18 changes: 13 additions & 5 deletions internal/kernel/runtime.go
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,11 @@ import (
"moos/kernel/internal/reactive"
)

const subscriberBufferSize = 64
const (
subscriberBufferSize = 64
driftAnnotationSemanticPort = "{semantic}"
driftAnnotationContractURN = graph.URN("urn:moos:contract:hdc-drift-annotation.v1")
)

// Runtime is the kernel — the effect layer wrapping the pure catamorphism.
// It holds the current graph state (derived), the append-only log (truth),
Expand Down Expand Up @@ -888,14 +892,18 @@ func (rt *Runtime) runHDCIndexAndDriftLocked(trigger graph.Envelope) {
}

linkClaim := graph.Envelope{
RewriteType: graph.LINK,
RewriteCategory: graph.WF11,
RewriteType: graph.LINK,
// Re-home drift annotations to WF15 open-semantic links.
// WF11 only declares synced-via/sync-target; the old tagged/tagged-in
// pair was rejected by the declaration gate (moos-kernel#52).
RewriteCategory: graph.WF15,
Actor: actor,
RelationURN: relURN,
SrcURN: claimURN,
SrcPort: "tagged",
SrcPort: driftAnnotationSemanticPort,
TgtURN: row.URN,
TgtPort: "tagged-in",
TgtPort: driftAnnotationSemanticPort,
ContractURN: driftAnnotationContractURN,
}
rt.applyReactiveLocked(linkClaim)
}
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4 changes: 2 additions & 2 deletions internal/kernel/runtime_reactive_test.go
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Expand Up @@ -485,12 +485,12 @@ func TestRuntime_HDCDriftEmitsClaimAndAnnotation(t *testing.T) {

var annotationCount int
for _, rel := range rt.state.Relations {
if rel.RewriteCategory == graph.WF11 {
if rel.RewriteCategory == graph.WF15 && rel.ContractURN == driftAnnotationContractURN {
annotationCount++
}
}
if annotationCount == 0 {
t.Fatal("expected at least one WF11 drift annotation relation")
t.Fatal("expected at least one WF15 semantic drift annotation relation")
}

expressions = rt.HDCTypeExpressions()
Expand Down
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