Add type definitions

src/types/ast.ts

@@ -0,0 +1,79 @@
+export interface TypeDeclaration {
+  name: string;
+  filePath: string;
+  startLine: number;
+  endLine: number;
+  kind: 'interface' | 'type_alias' | 'class' | 'enum' | 'function' | 'import';
+  dependencies: string[];
+  rawNode?: any;
+}
+
+export interface InterfaceType extends TypeDeclaration {
+  kind: 'interface';
+  members: InterfaceMember[];
+  extends: string[];
+  generics: GenericParameter[];
+}
+
+export interface TypeAlias extends TypeDeclaration {
+  kind: 'type_alias';
+  typeAnnotation: string;
+  extends: string[];
+  generics: GenericParameter[];
+}
+
+export interface ImportDeclaration extends TypeDeclaration {
+  kind: 'import';
+  moduleName: string;
+  namedImports: string[];
+  defaultImport?: string;
+  namespaceImport?: string;
+}
+
+export interface InterfaceMember {
+  name: string;
+  type: string;
+  isOptional: boolean;
+  isReadonly: boolean;
+  modifiers: string[];
+}
+
+export interface GenericParameter {
+  name: string;
+  constraint?: string;
+  default?: string;
+}
+
+export interface ParsedFile {
+  filePath: string;
+  types: TypeDeclaration[];
+  imports: ImportDeclaration[];
+  errors: ParseError[];
+}
+
+export interface ParseError {
+  message: string;
+  line: number;
+  column: number;
+  severity: 'error' | 'warning';
+}
+
+export interface TypeReference {
+  name: string;
+  module?: string;
+  isExternal: boolean;
+  location: {
+    filePath: string;
+    startLine: number;
+    startColumn: number;
+    endLine: number;
+    endColumn: number;
+  };
+}
+
+export interface TypeAnnotation {
+  text: string;
+  references: TypeReference[];
+  isUnion: boolean;
+  isIntersection: boolean;
+}