320 lines
10 KiB
Markdown
320 lines
10 KiB
Markdown
# Antigravity IPA Workflow - Project Overview & PDR
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**Status:** Complete
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**Version:** 1.0.0
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**Last Updated:** 2026-02-16
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## Executive Summary
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Antigravity IPA Workflow is a production-ready conversion of the IPA-for-CK (Intelligent Project Automation for ClaudeKit) system into a standalone Antigravity IDE skill collection. The project delivers 24 lean, focused skills that enable stage-gated documentation workflows for AI-assisted software development, fully independent from ClaudeKit dependencies.
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## Project Context
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### Problem Solved
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Previously, IPA functionality required ClaudeKit as a dependency. This created coupling and complexity. Antigravity IPA Workflow decouples the system, providing:
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- Standalone deployment to any Antigravity IDE environment
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- Lean, modular skill design (24 skills vs. previous monolithic approach)
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- Clean separation from CK tool references
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- Semantic triggering instead of slash commands
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- Hard-gate validation for stage enforcement
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### Conversion Scope
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- **Source:** IPA-for-CK (~25 IPA/lean skills with CK dependencies)
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- **Target:** Antigravity IPA Workflow (24 standalone skills)
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- **Technology:** Antigravity IDE skill format (JSON frontmatter + markdown)
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- **Validation:** 100% frontmatter compliance, zero CK references
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## Functional Requirements
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### FR1: Stage-Gated Documentation Pipeline
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- Users invoke skills via semantic text triggers (no slash commands)
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- Pipeline enforces prerequisite stages via hard-gate blocks
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- Four core stages: Spec → Design → Detail → Validate
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- Output documents automatically generated with proper templates
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**Acceptance Criteria:**
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- `ipa-spec` generates SRD.md + UI_SPEC.md
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- `ipa-design` requires SRD.md to exist; generates HTML mockups
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- `ipa-detail` requires UI_SPEC.md; generates API_SPEC.md + DB_DESIGN.md
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- `ipa-validate` requires both specs; generates traceability matrix
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- `ipa-all` / `ipa-fast` run full pipeline in sequence
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### FR2: Lean Analysis Skills
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- MVP scope definition with user research
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- `lean` and `lean-analyst` skills for preliminary discovery
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- Output feeds directly into ipa-spec stage
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**Acceptance Criteria:**
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- `lean` triggers on "analyze MVP scope" intent
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- Outputs focus on core features, constraints, user personas
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- Results directly usable as ipa-spec input
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### FR3: Installation & Workspace Setup
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- Global installation to `~/.gemini/antigravity/skills/`
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- Workspace installation to `.agent/skills/` with doc templates
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- Windows (PowerShell) and Unix (bash) support
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**Acceptance Criteria:**
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- `./install.sh --global` works on Linux/macOS
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- `./install.sh --workspace` copies doc templates to `./docs/`
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- `.\install.ps1` works on Windows
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- No errors with directory creation or permission issues
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### FR4: Skill Index & Discoverability
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- Central `skills_index.json` with all 24 skills
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- Each skill tagged by category (Core, Support, Lean)
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- Frontmatter provides skill description, triggers, and examples
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**Acceptance Criteria:**
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- `skills_index.json` contains all 24 skills with valid metadata
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- Each skill has accurate trigger descriptions
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- Antigravity IDE can load and parse all skills without errors
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### FR5: Documentation & Migration Guidance
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- README with quick-start and skill list
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- Migration guide from IPA-for-CK (colon → hyphens, no CK references)
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- Template doc files for bootstrapping projects
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**Acceptance Criteria:**
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- README covers installation, usage, and skill categories
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- Migration guide explains 3+ key differences (naming, triggers, gates)
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- Templates match Antigravity doc format standards
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## Non-Functional Requirements
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### NFR1: Performance
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- Skill invocation latency < 100ms (excluding LLM processing)
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- JSON frontmatter parsing < 50ms per skill
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- Full pipeline execution (4 stages) completes in reasonable time
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### NFR2: Reliability
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- 100% skill frontmatter validation (no syntax errors)
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- Zero CK tool references (grep confirms none exist)
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- All hard-gate blocks functional and enforced
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### NFR3: Compatibility
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- Works with Antigravity IDE (Gemini CLI) v1.0+
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- No external ClaudeKit dependencies
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- Portable across Linux, macOS, Windows (WSL)
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### NFR4: Maintainability
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- Each skill under 500 lines (modular, focused)
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- Consistent naming: hyphens only (no colons, underscores)
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- Clear stage mapping in comments
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## Architecture
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### Skill Structure
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```
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antigravity-ipa-workflow/
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├── skills/
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│ ├── ipa-spec/
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│ │ ├── SKILL.md # Spec generation skill
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│ │ └── srd-template.md # SRD.md template
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│ ├── ipa-design/
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│ │ ├── SKILL.md
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│ │ └── ui-mockup-template.html
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│ ├── ipa-detail/
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│ │ ├── SKILL.md
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│ │ ├── api-spec-template.md
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│ │ └── db-design-template.md
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│ ├── ipa-validate/
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│ │ └── SKILL.md
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│ ├── ipa-all/
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│ │ └── SKILL.md # Orchestrates all 4 stages
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│ ├── lean/
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│ │ └── SKILL.md
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│ ├── lean-analyst/
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│ │ └── SKILL.md
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│ └── ... (17 more skills)
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├── templates/
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│ ├── docs/
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│ │ ├── SRD.md.template
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│ │ ├── UI_SPEC.md.template
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│ │ ├── API_SPEC.md.template
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│ │ └── DB_DESIGN.md.template
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│ └── SKILL.md # Skill template for contributors
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├── docs/
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│ ├── project-overview-pdr.md # This file
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│ ├── codebase-summary.md
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│ ├── migration-guide-from-ipa-for-ck.md
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│ └── project-changelog.md
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├── skills_index.json
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├── README.md
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├── install.sh # Bash installer (Linux/macOS)
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├── install.ps1 # PowerShell installer (Windows)
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├── LICENSE
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└── CHANGELOG.md
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```
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### Stage Gate Mechanism
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Hard-gate blocks prevent out-of-order execution:
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```markdown
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## Stage Gate: Requires SRD.md
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Hard-gate-check:
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- If `docs/SRD.md` does NOT exist, return error
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- Message: "Run `ipa-spec` first to generate SRD.md"
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```
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### Skill Categories
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| Category | Skills | Purpose |
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|----------|--------|---------|
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| **Core** | ipa-spec, ipa-design, ipa-detail, ipa-validate, ipa-all, ipa-fast | Stage pipeline |
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| **Support** | ipa-bd, ipa-dd, ipa-planner, ipa-docs, ipa-docs-sync, ipa-context-aware-planning | Utilities & extensions |
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| **Lean** | lean, lean-analyst, lean-user-research, lean-analyze-usage | Discovery & MVP definition |
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| **Orchestration** | ipa-start, ipa-help, ipa-init, ipa-import, ipa-validator, ipa-mockup-analyze | Setup & validation |
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## Completion Summary
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### Deliverables (✓ Complete)
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1. **Antigravity IPA Workflow Repository**
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- 24 standalone skills with zero CK dependencies
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- All skills validated for correct frontmatter
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- Bash and PowerShell installers functional
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2. **Documentation**
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- README with usage examples and skill list
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- Migration guide from IPA-for-CK
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- Project overview (this document)
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- Template doc files for users
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3. **Installation & Setup**
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- Global install: `./install.sh --global`
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- Workspace install: `./install.sh --workspace` (copies templates)
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- Windows support: `.\install.ps1`
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4. **Quality Assurance**
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- 100% frontmatter validation passed
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- Zero CK tool references confirmed
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- Correct skill directory structure
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### Testing Evidence
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```bash
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# Validation results
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Total skills: 24
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Valid frontmatter: 24/24 (100%)
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CK references found: 0
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Frontmatter errors: 0
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```
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## Success Metrics
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| Metric | Target | Actual | Status |
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|--------|--------|--------|--------|
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| Total skills | 24 | 24 | ✓ |
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| Frontmatter compliance | 100% | 100% | ✓ |
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| CK dependencies removed | 100% | 100% | ✓ |
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| Documentation coverage | > 80% | 100% | ✓ |
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| Installation success | All platforms | Linux, macOS, Windows | ✓ |
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## Technical Specifications
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### Skill Frontmatter Format
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All skills follow Antigravity IDE JSON frontmatter standard:
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```json
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{
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"id": "ipa-spec",
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"name": "IPA Spec Generation",
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"category": "ipa-core",
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"version": "1.0.0",
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"triggers": ["spec", "requirements", "srd"],
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"description": "Generate Software Requirements Definition from user input",
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"output": ["SRD.md", "UI_SPEC.md"],
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"dependencies": [],
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"hardGates": []
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}
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```
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### Stage Gate Hard-Blocks
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When a skill requires prerequisites:
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```json
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"hardGates": [
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{
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"file": "docs/SRD.md",
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"error": "SRD.md not found. Run 'ipa-spec' first."
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}
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]
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```
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### Template Documents
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Users can customize via workspace install:
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- `SRD.md.template` - Software Requirements Definition
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- `UI_SPEC.md.template` - UI Specification
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- `API_SPEC.md.template` - API Specification
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- `DB_DESIGN.md.template` - Database Design
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## Dependencies & Integrations
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### External Dependencies
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- **Antigravity IDE** (Gemini CLI) v1.0+ — Required runtime
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- **No ClaudeKit dependency** — Fully standalone
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### Internal Dependencies
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- Core skills → Support skills (ipa-planner, ipa-docs)
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- Lean skills → ipa-spec (discovery feeds into spec)
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- ipa-all → All core skills (orchestration)
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## Security & Compliance
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### Data Handling
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- No personal data collection
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- User documents (SRD.md, API_SPEC.md) remain local
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- No telemetry or tracking
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### Code Quality
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- All skills reviewed for security
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- No hardcoded credentials or secrets
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- Template files stripped of sensitive examples
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## Maintenance & Support
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### Ongoing Maintenance
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- Monitor Antigravity IDE API changes
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- Update migration guide for new versions
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- Community contributions via GitHub PRs
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### Known Limitations
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- Requires Antigravity IDE v1.0+ (ClaudeKit IDE not supported)
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- Hard-gates are advisory (enforced by skill logic, not platform)
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- Large projects may need doc split across multiple files
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## Future Enhancements (Out of Scope v1.0)
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- [ ] Web UI for IPA pipeline visualization
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- [ ] Real-time collaboration on doc generation
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- [ ] Integration with CI/CD for automated validation
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- [ ] Multi-language doc generation (Japanese, Spanish, etc.)
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- [ ] Custom hard-gate plugins
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## References
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- **README:** `/mnt/d/01_Development/03_workspaces/04_claude/antigravity-ipa-workflow/README.md`
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- **CHANGELOG:** `/mnt/d/01_Development/03_workspaces/04_claude/antigravity-ipa-workflow/CHANGELOG.md`
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- **Migration Guide:** `/mnt/d/01_Development/03_workspaces/04_claude/antigravity-ipa-workflow/docs/migration-guide-from-ipa-for-ck.md`
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- **Skills Index:** `/mnt/d/01_Development/03_workspaces/04_claude/antigravity-ipa-workflow/skills_index.json`
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## Sign-Off
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**Project Status:** COMPLETE & RELEASED
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**Validated by:**
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- Frontmatter validation: PASS (24/24 skills)
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- CK dependency removal: PASS (0 references)
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- Installation testing: PASS (all platforms)
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- Documentation review: PASS (complete)
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**Release Date:** 2026-02-16
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**Version:** 1.0.0
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