# Workflow Feature Development

> Complete workflow for developing new features from design to deployment. Use when starting a new feature, adding functionality, or building something new. Use when this capability is needed.

- Skill: `tomevault-io/workflow-feature-development` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add tomevault-io/workflow-feature-development`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/workflow-feature-development/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Productivity
- Author: tomevault-io (https://skillmd.com/u/tomevault-io)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/tomevault-io/workflow-feature-development

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# Feature Development Workflow

Step-by-step process for developing features properly.

## Phase 1: Design
**Agents:** `system-architect`

- Design feature architecture
- Identify components and boundaries
- Define API contracts
- Document data flow

**Output:** Architecture diagram, component list, API contracts

## Phase 2: Planning
**Agents:** `requirements-analyst`

- Break down into implementable tasks
- Identify dependencies
- Estimate timeline
- Define acceptance criteria

**Output:** Task breakdown, dependency graph, timeline

## Phase 3: Implementation

- Implement feature following architecture
- Work in small, testable increments
- Commit frequently with clear messages

## Phase 4: Review
**Agents:** `code-reviewer`, `security-auditor`

- Code review for quality and standards
- Security review for vulnerabilities
- Focus: auth, input validation, data access

**Blocking:** Must pass before proceeding

## Phase 5: Testing
**Agents:** `test-automator`

- Unit tests (80% coverage target)
- Integration tests
- E2E tests for critical paths

## Phase 6: Performance
**Agents:** `performance-engineer`

Validate against thresholds:
- Response time: <200ms
- Memory usage: <100MB
- Bundle size: <500KB

## Phase 7: Documentation
**Agents:** `technical-writer`

- API documentation
- User guide updates
- Changelog entry

## Phase 8: Deployment Prep
**Agents:** `deployment-engineer`

Checklist:
- [ ] Version bump
- [ ] Changelog updated
- [ ] Migration scripts ready
- [ ] Rollback plan documented

## Success Criteria
- [ ] All tests pass
- [ ] Security scan clean
- [ ] Performance within limits
- [ ] Documentation complete

## Rollback Plan
1. Revert database migrations
2. Restore previous version
3. Notify stakeholders

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<!-- tomevault:4.0:skill_md:2026-04-11 -->