Add type definitions

src/types/graph.ts

@@ -0,0 +1,105 @@
+export interface GraphNode {
+  id: string;
+  label: string;
+  kind: NodeKind;
+  filePath: string;
+  lineNumber: number;
+  metadata: Record<string, unknown>;
+  dependencies: string[];
+}
+
+export type NodeKind = 'interface' | 'type_alias' | 'class' | 'enum' | 'function' | 'import' | 'external';
+
+export interface GraphEdge {
+  source: string;
+  target: string;
+  label?: string;
+  style?: EdgeStyle;
+  weight?: number;
+}
+
+export type EdgeStyle = 'solid' | 'dashed' | 'dotted';
+
+export interface DependencyGraph {
+  nodes: Map<string, GraphNode>;
+  edges: GraphEdge[];
+  clusters: GraphCluster[];
+  metadata: GraphMetadata;
+}
+
+export interface GraphCluster {
+  id: string;
+  label: string;
+  nodeIds: string[];
+  style?: string;
+}
+
+export interface GraphMetadata {
+  createdAt: string;
+  sourceDirectory: string;
+  nodeCount: number;
+  edgeCount: number;
+  analysisOptions: AnalysisOptions;
+}
+
+export interface AnalysisOptions {
+  maxDepth?: number;
+  includeExternal?: boolean;
+  excludedPatterns?: string[];
+  focusTypes?: string[];
+}
+
+export interface CircularDependency {
+  cycle: string[];
+  nodes: string[];
+  edges: GraphEdge[];
+  length: number;
+}
+
+export interface WideningIssue {
+  nodeId: string;
+  typeName: string;
+  filePath: string;
+  lineNumber: number;
+  description: string;
+  originalType?: string;
+  widenedType?: string;
+  suggestion?: string;
+}
+
+export interface NarrowingIssue {
+  nodeId: string;
+  typeName: string;
+  filePath: string;
+  lineNumber: number;
+  description: string;
+  originalType?: string;
+  narrowedType?: string;
+  suggestion?: string;
+}
+
+export interface AnalysisResult {
+  graph: DependencyGraph;
+  circularDependencies: CircularDependency[];
+  wideningIssues: WideningIssue[];
+  narrowingIssues: NarrowingIssue[];
+  summary: AnalysisSummary;
+}
+
+export interface AnalysisSummary {
+  totalNodes: number;
+  totalEdges: number;
+  totalCircular: number;
+  totalWidening: number;
+  totalNarrowing: number;
+  filesAnalyzed: number;
+  analysisTimeMs: number;
+}
+
+export interface ExportOptions {
+  format: 'dot' | 'graphml' | 'json';
+  outputPath: string;
+  includeMetadata?: boolean;
+  layout?: string;
+  rankDir?: 'TB' | 'LR' | 'BT' | 'RL';
+}