refactor: remove dead code

- Remove unused IBaseRepository interface
- Remove IBaseRepository export from domain/index.ts
- Fix repository pattern violations detected by Guardian

packages/guardian/src/domain/index.ts

@@ -6,7 +6,6 @@ export * from "./value-objects/ProjectPath"
 export * from "./value-objects/HardcodedValue"
 export * from "./value-objects/NamingViolation"
 export * from "./value-objects/RepositoryViolation"
-export * from "./repositories/IBaseRepository"
 export * from "./services/IFileScanner"
 export * from "./services/ICodeParser"
 export * from "./services/IHardcodeDetector"

packages/guardian/src/domain/repositories/IBaseRepository.ts

@@ -1,14 +0,0 @@
-import { BaseEntity } from "../entities/BaseEntity"
-
-/**
- * Generic repository interface
- * Defines standard CRUD operations for entities
- */
-export interface IRepository<T extends BaseEntity> {
-    findById(id: string): Promise<T | null>
-    findAll(): Promise<T[]>
-    save(entity: T): Promise<T>
-    update(entity: T): Promise<T>
-    delete(id: string): Promise<boolean>
-    exists(id: string): Promise<boolean>
-}