Timothy Atapagra 1ca8d2a448 feat(api): ARC-008 Labels System - backend entities and migrations ... Add comprehensive label system with entities, migrations and denormalized label_names column: **Database Changes:** - Migration 0191: Fix labels.updated_at default to NOW() - Add Label and EntityLabel entities for label management - Add denormalized label_names array column to library_item for efficient filtering **Entity Updates:** - LibraryItemEntity: Add label_names column (PostgreSQL array type) - Label entity: User labels with name, color, description - EntityLabel entity: Junction table for library_item ↔ label relationship **Architecture:** - Dual-column approach: junction table for relationships + denormalized array for fast filtering - PostgreSQL array overlap operator (&&) enables efficient label-based queries - Automatic sync of label_names when labels are attached/detached Implements ARC-008 Labels System (backend foundation) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>		2025-10-09 13:10:32 -04:00
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dto	feat(api): ARC-008 Labels System - backend entities and migrations	2025-10-09 13:10:32 -04:00
entities	feat(api): ARC-008 Labels System - backend entities and migrations	2025-10-09 13:10:32 -04:00
label.module.ts	feat(api): ARC-008 Labels System - backend entities and migrations	2025-10-09 13:10:32 -04:00
label.resolver.ts	feat(api): ARC-008 Labels System - backend entities and migrations	2025-10-09 13:10:32 -04:00
label.service.ts	feat(api): ARC-008 Labels System - backend entities and migrations	2025-10-09 13:10:32 -04:00