chore: preserve initial reconstruction prototype

lib/llm/types.js

@@ -0,0 +1,14 @@
+// Types defined via JSDoc for validation patterns
+// Reconstruction: {
+//   observations: Array<{id, description, confidence:"low"|"medium"|"high"}>,
+//   reportedClaims: Array<{id, description, confidence:"low"|"medium"|"high", attributedTo:null|string}>,
+//   assumptions: Array<{id, description, confidence:"low"|"medium"|"high"}>,
+//   entities: Array<{id, description, confidence:"low"|"medium"|"high"}>,
+//   transitions: Array<{id, description, confidence:"low"|"medium"|"high", entity:string, previousState:string, currentState:string, explanationStatus:string}>,
+//   expectedButMissing: Array<{id, description, confidence:"low"|"medium"|"high"}>,
+//   presentButUnexpected: Array<{id, description, confidence:"low"|"medium"|"high"}>,
+//   contradictions: Array<{id, description, confidence:"low"|"medium"|"high"}>,
+//   openUncertainties: Array<{id, description, confidence:"low"|"medium"|"high"}>,
+// }
+
+export const CONFIDENCE_VALUES = ["low", "medium", "high"];