Design Skill (Event Modeling)

Version: 1.1.0 Portability: Tool-specific

Quick Start

Start Event Modeling in under 5 minutes.

What This Does

Facilitates Event Modeling workflow: domain discovery → workflow design → GWT scenarios → architecture.

Fastest Path

1. •Run /sdlc:design discover - Answer 5 domain questions
2. •Run /sdlc:design workflow <name> - Design one workflow
3. •Run /sdlc:design gwt <workflow> - Generate acceptance criteria
4. •Ready to plan tasks

Basic Example

/sdlc:design discover
# Answers 5 questions:
# 1. What does the business do?
# 2. Who are the actors?
# 3. What are major processes?
# 4. What external systems?
# 5. Which workflow to start with?
#
# Creates: docs/event_model/domain-overview.md

/sdlc:design workflow user-registration
# Interactive 7-step workflow design
# Creates: docs/event_model/workflows/user-registration/

/sdlc:design gwt user-registration
# Generates Given-When-Then scenarios
# Ready for: /sdlc:plan

Common Examples

Example 1: New Project (Full Event Modeling)

When: Starting event-sourced system Path: discover → workflow → gwt → validate → arch Result: Complete event model ready for planning

Example 2: Single Workflow

When: Adding feature to existing system Path: workflow <name> → gwt <name> Result: New workflow integrated with existing model

Example 3: Validating Model

When: Event model complete, verify consistency Invoke: /sdlc:design validate Result: Checks information flow, GWT coverage

When to Use

Use this skill when:

• •Starting event-sourced project
• •Need domain understanding before coding
• •Designing complex workflows
• •User asks about "event modeling" or "domain design"

Don't use when:

• •Simple CRUD features (overkill)
• •Domain well-understood (skip to /sdlc:arch)
• •Ready to implement (use /sdlc:work)

Related skills:

• •/sdlc:plan - Convert event model to tasks
• •/sdlc:arch - Architecture decisions

Auto-Invocation

Claude automatically invokes this skill when you say:

• •"Let's do domain discovery"
• •"Design a workflow for user registration"
• •"I need to model the domain"
• •"Create an event model"
• •"Generate GWT scenarios"
• •"Let's do Event Modeling"

You don't need to type /sdlc:design explicitly - Claude will detect these requests and invoke the skill for you.

Subcommands

• •discover - Domain discovery (5 questions)
• •workflow <name> - Design workflow
• •gwt <workflow> - Generate GWT scenarios
• •validate - Validate event model
• •arch - Architecture decisions
• •design-system - UI component system
• •(no args) - Resume where left off

Before You Start

MANDATORY: Search auto memory for domain patterns.

MEMORY_PATH="$HOME/.claude/projects/$(pwd | sed 's/\//-/g' | sed 's/^-//')/memory"
find "$MEMORY_PATH" -name "*.md" -type f 2>/dev/null | \
  xargs grep -l -i "domain\|event\|workflow" 2>/dev/null

Reference

See SKILL-old.md for:

• •Event Modeling methodology
• •Agent delegation patterns
• •Complete phase descriptions

Metadata

Version History:

• •v1.1.0 (2026-02-05): Progressive disclosure, memory integration
• •v1.0.0: Initial extraction

Dependencies: event-modeling, orchestration-protocol, user-input-protocol, memory-protocol