# Project Feature

> Adds new fields or features to Project entity. Use when extending project schema, adding new properties, updating forms, or modifying project display. Includes type updates, API changes, and validation.

- Skill: `majiayu000/project-feature` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add majiayu000/project-feature`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/project-feature/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Integrations & APIs
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/majiayu000/project-feature

---


# Add Project Feature Skill

## Instructions

When adding a new field to Project:

1. **Update Types**
   - `src/lib/types.ts` - Frontend interface
   - `src/lib/db-types.ts` - Firestore doc & API response

2. **Add Validation** (if needed)
   - `src/lib/security-utils.ts` - CONTENT_LIMITS & validators

3. **Update API Routes**
   - `POST /api/projects` - Create
   - `GET /api/projects/[id]` - Read
   - `PATCH /api/projects/[id]` - Update

4. **Update Form Components**
   - `src/app/menu/register/page.tsx`
   - `src/app/menu/edit/[id]/page.tsx`

5. **Update Display Components**
   - `src/components/ProjectCard.tsx`
   - `src/app/menu/[id]/page.tsx`

For complete checklist with code examples, see [reference.md](reference.md).