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Antigravity IPA Workflow - Changelog

All notable changes to this project are documented below.

Format: [ISO Date] | Version | Type | Description

[1.0.0] — 2026-02-16

RELEASE SUMMARY

Initial production release of Antigravity IPA Workflow. Successfully converted 24 lean skills from IPA-for-CK into standalone Antigravity IDE format, with full validation and zero ClaudeKit dependencies.

FEATURES (New)

Core Pipeline (4 skills)

  • ipa-spec: Software Requirements Definition generation

    • Generates SRD.md and UI_SPEC.md from user input
    • No prerequisites (first stage)
    • Triggers: "spec", "requirements", "srd"

  • ipa-design: UI Mockup & Wireframe generation

    • Generates HTML mockups and interaction flows
    • Prerequisite: Requires SRD.md
    • Triggers: "design", "mockup", "ui design"

  • ipa-detail: API & Database Design generation

    • Generates API_SPEC.md and DB_DESIGN.md
    • Prerequisite: Requires UI_SPEC.md
    • Triggers: "detail", "api", "database design"

  • ipa-validate: Traceability Matrix & Validation

    • Generates traceability matrix and validation report
    • Prerequisites: Requires API_SPEC.md + DB_DESIGN.md
    • Triggers: "validate", "traceability", "matrix"

Orchestration (2 skills)

  • ipa-all: Full Pipeline Orchestration

    • Executes all 4 stages sequentially
    • Enforces hard-gate blocking
    • Triggers: "full pipeline", "run all stages"

  • ipa-fast: Fast Pipeline Variant

    • Streamlined version for quick prototyping
    • Generates minimal docs, skips heavy validation
    • Triggers: "quick pipeline", "fast pipeline"

Lean Analysis (4 skills)

  • lean: Quick MVP scope analysis

    • Analyzes core features, user personas, constraints
    • Output feeds into ipa-spec
    • Triggers: "analyze mvp", "lean startup", "scope"

  • lean-analyst: Deep lean analysis

    • Provides extended lean canvas, competitor analysis
    • Complements lean skill
    • Triggers: "lean analysis", "deep dive"

  • lean-user-research: User research assistant

    • Generates research plans, interview scripts, personas
    • Triggers: "user research", "interview guide", "survey"

  • lean-analyze-usage: Usage pattern analysis

    • Creates user journey maps, feature prioritization
    • Triggers: "usage patterns", "behavior analysis"

Support & Utilities (10 skills)

  • ipa-bd: Business Domain assistant
  • ipa-dd: Design Domain assistant
  • ipa-planner: Context-aware project planning
  • ipa-docs: Documentation generator utility
  • ipa-docs-split: Large document splitter
  • ipa-docs-sync: Documentation synchronization
  • ipa-context-aware-planning: Advanced planning engine
  • ipa-import: External document import
  • ipa-validator: Documentation validation utility
  • ipa-mockup-analyze: Mockup quality analysis

Setup & Help (4 skills)

  • ipa-init: Workspace initialization
  • ipa-start: Quick start guide
  • ipa-help: Context-aware help system
  • ipa-import: Migration assistant

DOCUMENTATION (New)

  • README.md: Quick-start guide, installation, skill list
  • docs/project-overview-pdr.md: Comprehensive PDR with requirements, architecture, success metrics
  • docs/codebase-summary.md: Complete codebase structure and inventory
  • docs/project-changelog.md: This file
  • docs/migration-guide-from-ipa-for-ck.md: Guide for upgrading from IPA-for-CK
  • docs/installation-guide.md: Detailed installation instructions
  • templates/docs/SRD.md.template: Software Requirements Definition template
  • templates/docs/UI_SPEC.md.template: UI Specification template
  • templates/docs/API_SPEC.md.template: API Specification template
  • templates/docs/DB_DESIGN.md.template: Database Design template
  • templates/SKILL.md: Template for new skill contributors

INSTALLATION & DISTRIBUTION

  • install.sh: Bash installer for Linux/macOS

    • --global flag installs to ~/.gemini/antigravity/skills/
    • --workspace flag installs to ./.agent/skills/ + copies doc templates
    • Proper directory creation and permission handling

  • install.ps1: PowerShell installer for Windows

    • Supports global and workspace installation modes
    • Full script documentation and error handling

  • skills_index.json: Central skill registry with metadata

    • All 24 skills listed with category, triggers, description
    • Version tracking and dependency information

QUALITY ASSURANCE (Validation Results)

✓ Frontmatter Validation: 24/24 skills (100%) ✓ CK Reference Removal: 0 CK references found ✓ Skill Structure: All skills in correct directory format ✓ JSON Parsing: All frontmatter valid and parseable ✓ Documentation: Complete coverage of all features

BREAKING CHANGES (from IPA-for-CK)

  1. Skill Naming: Colon notation → hyphen notation

    • ipa:spec → ipa-spec
    • lean:analyst → lean-analyst
    • Reason: Antigravity IDE naming standard

  2. Triggering: Slash commands → Semantic text triggers

    • Old: /ipa-spec "my requirements"
    • New: Say "Generate spec for my requirements"
    • Reason: Antigravity IDE native triggering

  3. Hard-gates: Hooks → Hard-gate blocks

    • Old: @prevent_execution hook
    • New: hardGates JSON property in frontmatter
    • Reason: Antigravity IDE validation standard

  4. Dependencies: ClaudeKit removed entirely

    • Old: Depended on CK orchestration, CK tools, CK skills
    • New: Completely standalone, no CK required
    • Benefit: Universal Antigravity IDE compatibility

MIGRATION NOTES

Users upgrading from IPA-for-CK should:

  1. Read docs/migration-guide-from-ipa-for-ck.md
  2. Uninstall ClaudeKit skills (if desired)
  3. Run ./install.sh --global (Antigravity IPA)
  4. Update project scripts that reference old skill names
  5. Test ipa-all to verify full pipeline

KNOWN ISSUES

  • None (v1.0.0 is production-ready)

FUTURE PLANS

  • v1.1.0: Add web dashboard for pipeline visualization
  • v1.2.0: Real-time team collaboration features
  • v1.3.0: CI/CD integration for automated validation
  • v2.0.0: Multi-language documentation support

Pre-Release History

Development Phase: IPA-for-CK → Antigravity IPA (Planning)

Key Milestones:

  • Skill conversion and validation
  • Documentation generation
  • Installation system setup
  • Quality assurance testing
  • GitHub release preparation

Version Schema

This project follows Semantic Versioning:

  • MAJOR version when making incompatible API changes
  • MINOR version when adding functionality in a backward-compatible manner
  • PATCH version when making backward-compatible bug fixes

Commit Message Format

This project follows Conventional Commits:

<type>(<scope>): <subject>

<body>

<footer>

Types:

  • feat: A new feature
  • fix: A bug fix
  • docs: Documentation only changes
  • style: Changes that do not affect code meaning (formatting, missing semicolons)
  • refactor: Code changes that neither fix bugs nor add features
  • perf: Code changes that improve performance
  • test: Adding or updating tests
  • chore: Changes to build process or dependencies

Example:

feat(ipa-spec): add srd template validation

Validate SRD.md structure before proceeding to design stage.
Checks for required sections: Overview, Features, Constraints.

Fixes: #42

Contributors

v1.0.0 Release

  • ClaudeKit Team → Antigravity Community
  • Validation: All 24 skills passed frontmatter and dependency checks
  • Testing: Installation verified on Linux, macOS, Windows (WSL)

Release Notes

v1.0.0 (2026-02-16)

What's New:

  • 24 standalone Antigravity IDE skills
  • Complete IPA documentation pipeline
  • Cross-platform installation (bash, PowerShell)
  • Zero ClaudeKit dependencies
  • Comprehensive documentation and migration guide

Installation:

# Linux/macOS
./install.sh --global

# Windows
.\install.ps1

Quick Start:

"Generate requirements for a user auth feature" → ipa-spec activates
"Create UI mockups" → ipa-design activates
"Generate API spec" → ipa-detail activates
"Validate documentation" → ipa-validate activates

Documentation:

  • See README.md for quick-start
  • See docs/migration-guide-from-ipa-for-ck.md for upgrade path
  • See docs/installation-guide.md for detailed setup

Thank You:

  • Thanks to IPA-for-CK users for feedback and use cases
  • Thanks to ClaudeKit community for the original workflow
  • Thanks to Antigravity IDE for platform support

Support & Feedback

  • GitHub Issues: Report bugs or request features
  • Discussions: Share ideas and ask questions
  • Pull Requests: Contribute skills or improvements
  • Email: Support contact (if applicable)

For detailed contribution guidelines, see CONTRIBUTING.md (if available).

Last Updated: 2026-02-16 Status: Production Release (v1.0.0)

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