framework-migration-legacy-modernize

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Orchestrate a comprehensive legacy system modernization using the strangler fig pattern, enabling gradual replacement of outdated components while maintaining continuous business operations through ex

Dokhacgiakhoa By Dokhacgiakhoa schedule Updated 2/11/2026

version: 4.1.0-fractal name: framework-migration-legacy-modernize description: "Orchestrate a comprehensive legacy system modernization using the strangler fig pattern, enabling gradual replacement of outdated components while maintaining continuous business operations through ex"

Legacy Code Modernization Workflow

Orchestrate a comprehensive legacy system modernization using the strangler fig pattern, enabling gradual replacement of outdated components while maintaining continuous business operations through expert agent coordination.

[Extended thinking: The strangler fig pattern, named after the tropical fig tree that gradually envelops and replaces its host, represents the gold standard for risk-managed legacy modernization. This workflow implements a systematic approach where new functionality gradually replaces legacy components, allowing both systems to coexist during transition. By orchestrating specialized agents for assessment, testing, security, and implementation, we ensure each migration phase is validated before proceeding, minimizing disruption while maximizing modernization velocity.]

Use this skill when

  • Working on legacy code modernization workflow tasks or workflows
  • Needing guidance, best practices, or checklists for legacy code modernization workflow

Do not use this skill when

  • The task is unrelated to legacy code modernization workflow
  • You need a different domain or tool outside this scope

Instructions

  • Clarify goals, constraints, and required inputs.
  • Apply relevant best practices and validate outcomes.
  • Provide actionable steps and verification.
  • If detailed examples are required, open resources/implementation-playbook.md.

Phase 1: Legacy Assessment and Risk Analysis

🧠 Knowledge Modules (Fractal Skills)

1. 1. Comprehensive Legacy System Analysis

2. 2. Dependency and Integration Mapping

3. 3. Business Impact and Risk Assessment

4. 1. Legacy Code Test Coverage Analysis

5. 2. Contract Testing Implementation

6. 3. Test Data Management Strategy

7. 1. Strangler Fig Infrastructure Setup

8. 2. Component Modernization - First Wave

9. 3. Security Hardening

10. 1. Performance Testing and Optimization

11. 2. Progressive Rollout and Monitoring

12. 1. Legacy Component Decommissioning

13. 2. Documentation and Knowledge Transfer

Install via CLI
npx skills add https://github.com/Dokhacgiakhoa/antigravity-ide --skill framework-migration-legacy-modernize
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