diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index 6419723..c79af35 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -28,3 +28,189 @@ export interface Registry {
   createdAt: Date;
   updatedAt: Date;
 }
+
+export type CapabilityDisposition =
+  | "CORE"
+  | "DEPENDENCY"
+  | "CHERRY_PICK"
+  | "ADAPTER"
+  | "REIMPLEMENT"
+  | "REFERENCE_ONLY"
+  | "DROP";
+
+export type EvidenceConfidence =
+  | "measured"
+  | "observed"
+  | "inferred"
+  | "declared"
+  | "unknown";
+
+export type ReconstructionMode = "clone" | "adapt" | "blend";
+
+export type EvidenceKind =
+  | "dom"
+  | "runtime-html"
+  | "computed-style"
+  | "stylesheet"
+  | "accessibility"
+  | "screenshot"
+  | "asset"
+  | "network-request"
+  | "network-response"
+  | "har"
+  | "websocket"
+  | "sse"
+  | "storage"
+  | "interaction"
+  | "state-transition"
+  | "workflow"
+  | "animation"
+  | "media"
+  | "canvas"
+  | "webgl"
+  | "performance"
+  | "semantic-observation";
+
+export interface CaptureViewport {
+  width: number;
+  height: number;
+  deviceScaleFactor?: number;
+  isMobile?: boolean;
+  hasTouch?: boolean;
+}
+
+export interface CaptureProfile {
+  id: string;
+  name: string;
+  authenticated: boolean;
+  role?: string;
+  locale?: string;
+  colorScheme?: "light" | "dark" | "no-preference";
+  viewport?: CaptureViewport;
+  featureFlags?: Record<string, string | boolean | number>;
+}
+
+export interface ProvenanceSource {
+  repository?: string;
+  commit?: string;
+  sourcePaths?: string[];
+  license?: string;
+  classification?: CapabilityDisposition;
+  adapter?: string;
+  tool?: string;
+  toolVersion?: string;
+}
+
+export interface EvidenceRecord<T = unknown> {
+  id: string;
+  targetId: string;
+  kind: EvidenceKind;
+  route?: string;
+  capturedAt: string;
+  method: string;
+  confidence: EvidenceConfidence;
+  captureProfileId: string;
+  viewport?: CaptureViewport;
+  source: ProvenanceSource;
+  payload: T;
+}
+
+export interface RouteNode {
+  id: string;
+  path: string;
+  canonicalUrl?: string;
+  title?: string;
+  evidenceIds: string[];
+}
+
+export interface RouteEdge {
+  from: string;
+  to: string;
+  trigger: "link" | "redirect" | "action" | "script" | "semantic-discovery";
+  evidenceIds: string[];
+}
+
+export interface StateTransition {
+  id: string;
+  fromState: string;
+  toState: string;
+  action: string;
+  evidenceIds: string[];
+  networkEvidenceIds?: string[];
+}
+
+export interface ProductEntity {
+  id: string;
+  name: string;
+  attributes: Record<string, unknown>;
+  evidenceIds: string[];
+  confidence: EvidenceConfidence;
+}
+
+export interface ProductRelationship {
+  id: string;
+  fromEntityId: string;
+  toEntityId: string;
+  type: string;
+  cardinality?: "one-to-one" | "one-to-many" | "many-to-one" | "many-to-many";
+  evidenceIds: string[];
+  confidence: EvidenceConfidence;
+}
+
+export interface WorkflowStep {
+  id: string;
+  action: string;
+  preconditions?: string[];
+  resultingState?: string;
+  evidenceIds: string[];
+}
+
+export interface ProductWorkflow {
+  id: string;
+  name: string;
+  steps: WorkflowStep[];
+  errorPaths?: WorkflowStep[][];
+  evidenceIds: string[];
+  confidence: EvidenceConfidence;
+}
+
+export interface FidelityVector {
+  geometry?: number;
+  typography?: number;
+  colors?: number;
+  assets?: number;
+  responsiveCoverage?: number;
+  routeCoverage?: number;
+  interactionCoverage?: number;
+  workflowCoverage?: number;
+  networkContractParity?: number;
+  motionParity?: number;
+  accessibilityPass?: boolean;
+  runtimeErrorCount?: number;
+  productionBuildPass?: boolean;
+}
+
+export interface UpstreamCapabilityRecord {
+  id: string;
+  capability: string;
+  disposition: CapabilityDisposition;
+  source: ProvenanceSource;
+  targetModule?: string;
+  rationale: string;
+  tests: string[];
+}
+
+export interface ReconstructionSpec {
+  id: string;
+  targetId: string;
+  version: string;
+  mode: ReconstructionMode;
+  schemaVersion: string;
+  evidenceIds: string[];
+  routes: RouteNode[];
+  routeEdges: RouteEdge[];
+  entities: ProductEntity[];
+  relationships: ProductRelationship[];
+  workflows: ProductWorkflow[];
+  fidelityRequirements: FidelityVector;
+}