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Claude-Code-Workflow/docs/features/spec.md
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Spec System

One-Liner

The Spec System is an automatic constraint injection mechanism — Through specification documents defined in YAML frontmatter, relevant constraints are automatically loaded at the start of AI sessions, ensuring AI follows project coding standards and architectural requirements.


Pain Points Solved

Pain Point Current State Spec System Solution
AI ignores standards CLAUDE.md written but AI ignores it after 5 turns Hook auto-injection, every session carries specs
Standards scattered Coding conventions in different places, hard to maintain Unified in .workflow/specs/*.md
Context loss New session requires re-explaining constraints Spec auto-loads based on task context
Inconsistent code Different developers write different styles Shared Spec ensures consistency

vs Traditional Methods

Dimension CLAUDE.md .cursorrules Spec System
Injection Auto-load but easily truncated Manual load Hook auto-injection, task-precise loading
Granularity One large file One large file Per-module files, combined by task
Cross-session memory None None Workflow journal persistence
Team sharing Single person Single person Git versioned Spec library

Core Concepts

Concept Description Location
Spec File Markdown document with YAML frontmatter .workflow/specs/*.md
Hook Script that auto-injects specs into AI context .claude/hooks/
Spec Index Registry of all available specs .workflow/specs/index.yaml
Spec Selector Logic that chooses relevant specs for a task Built into CCW

Usage

Creating a Spec

---
name: coding-standards
description: Project coding standards
triggers:
  - pattern: "**/*.ts"
  - command: "/implement"
  - skill: "code-developer"
applyTo:
  - "src/**"
priority: high
---

# Coding Standards

## TypeScript Guidelines
- Use strict mode
- Prefer interfaces over types
- ...

Spec Loading

Specs are automatically loaded based on:

  1. File patterns being edited
  2. Commands being executed
  3. Skills being invoked

Configuration

# .workflow/specs/index.yaml
specs:
  - name: coding-standards
    path: ./coding-standards.md
    enabled: true
    
  - name: api-conventions
    path: ./api-conventions.md
    enabled: true