feat(prompt): implement prompt injection slice 3

src/index.ts

@@ -35,6 +35,17 @@ export {
 	estimateTokens,
 	findAllArtifactPairs,
 	buildInjectionPayload,
+	outgoingMessagesHaveMarker,
+	providerPayloadHasMarker,
+	isRelevantTurnForReinjection,
+	shouldReinjectForEvent,
+	detectEditIntent,
+	detectArchitectureSensitiveReasoning,
+	getRootPairMtimes,
+	rootPairChanged,
+	type RootPairMtimes,
+	type RelevantTurnType,
+	type ReinjectDecision,
 	ROOT_PAIR_START_MARKER,
 	ROOT_PAIR_END_MARKER,
 	TRUST_BOUNDARY_TEXT,