feat(guardian): add guardian package - code quality analyzer

Add @puaros/guardian package v0.1.0 - code quality guardian for vibe coders and enterprise teams.

Features:
- Hardcode detection (magic numbers, magic strings)
- Circular dependency detection
- Naming convention enforcement (Clean Architecture)
- Architecture violation detection
- CLI tool with comprehensive reporting
- 159 tests with 80%+ coverage
- Smart suggestions for fixes
- Built for AI-assisted development

Built with Clean Architecture and DDD principles.
Works with Claude, GPT, Copilot, Cursor, and any AI coding assistant.

packages/guardian/examples/good-architecture/application/dtos/OrderResponseDto.ts

@@ -0,0 +1,24 @@
+/**
+ * Order Response DTO
+ */
+export interface OrderItemDto {
+    readonly id: string
+    readonly productId: string
+    readonly productName: string
+    readonly price: number
+    readonly currency: string
+    readonly quantity: number
+    readonly total: number
+}
+
+export interface OrderResponseDto {
+    readonly id: string
+    readonly userId: string
+    readonly items: OrderItemDto[]
+    readonly status: string
+    readonly subtotal: number
+    readonly currency: string
+    readonly createdAt: string
+    readonly confirmedAt?: string
+    readonly deliveredAt?: string
+}