Module articles/entities/article-entity

Remarks

This module defines the Article aggregate root following DDD principles. Article is the sole entry point for all article-related operations within the Articles bounded context.

Aggregate Root: articleEntity

Invariants:

• URL must be unique per user (enforced by ArticlesDomainService)
• Status transitions: UNEXPORTED → LAST_UPDATED → EXPORTED

Value Objects defined here:

• CategoryName - Article category identifier
• ArticleTitle - Article title (1-128 chars)
• Quote - Optional excerpt (max 512 chars)
• Url - HTTP/HTTPS URL
• OgTitle, OgDescription, OgImageUrl - Open Graph metadata