89 lines
4.0 KiB
Markdown
89 lines
4.0 KiB
Markdown
---
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description: Analyze implementation gap between requirements and existing codebase
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allowed-tools: Bash, Glob, Grep, Read, Write, Edit, MultiEdit, WebSearch, WebFetch
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argument-hint: <feature-name>
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---
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# Implementation Gap Validation
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<background_information>
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- **Mission**: Analyze the gap between requirements and existing codebase to inform implementation strategy
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- **Success Criteria**:
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- Comprehensive understanding of existing codebase patterns and components
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- Clear identification of missing capabilities and integration challenges
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- Multiple viable implementation approaches evaluated
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- Technical research needs identified for design phase
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</background_information>
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<instructions>
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## Core Task
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Analyze implementation gap for feature **$1** based on approved requirements and existing codebase.
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## Execution Steps
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1. **Load Context**:
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- Read `.kiro/specs/$1/spec.json` for language and metadata
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- Read `.kiro/specs/$1/requirements.md` for requirements
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- **Load ALL steering context**: Read entire `.kiro/steering/` directory including:
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- Default files: `structure.md`, `tech.md`, `product.md`
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- All custom steering files (regardless of mode settings)
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- This provides complete project memory and context
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2. **Read Analysis Guidelines**:
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- Read `.kiro/settings/rules/gap-analysis.md` for comprehensive analysis framework
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3. **Execute Gap Analysis**:
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- Follow gap-analysis.md framework for thorough investigation
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- Analyze existing codebase using Grep and Read tools
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- Use WebSearch/WebFetch for external dependency research if needed
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- Evaluate multiple implementation approaches (extend/new/hybrid)
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- Use language specified in spec.json for output
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4. **Generate Analysis Document**:
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- Create comprehensive gap analysis following the output guidelines in gap-analysis.md
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- Present multiple viable options with trade-offs
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- Flag areas requiring further research
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## Important Constraints
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- **Information over Decisions**: Provide analysis and options, not final implementation choices
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- **Multiple Options**: Present viable alternatives when applicable
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- **Thorough Investigation**: Use tools to deeply understand existing codebase
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- **Explicit Gaps**: Clearly flag areas needing research or investigation
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</instructions>
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## Tool Guidance
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- **Read first**: Load all context (spec, steering, rules) before analysis
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- **Grep extensively**: Search codebase for patterns, conventions, and integration points
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- **WebSearch/WebFetch**: Research external dependencies and best practices when needed
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- **Write last**: Generate analysis only after complete investigation
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## Output Description
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Provide output in the language specified in spec.json with:
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1. **Analysis Summary**: Brief overview (3-5 bullets) of scope, challenges, and recommendations
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2. **Document Status**: Confirm analysis approach used
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3. **Next Steps**: Guide user on proceeding to design phase
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**Format Requirements**:
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- Use Markdown headings for clarity
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- Keep summary concise (under 300 words)
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- Detailed analysis follows gap-analysis.md output guidelines
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## Safety & Fallback
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### Error Scenarios
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- **Missing Requirements**: If requirements.md doesn't exist, stop with message: "Run `/kiro:spec-requirements $1` first to generate requirements"
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- **Requirements Not Approved**: If requirements not approved, warn user but proceed (gap analysis can inform requirement revisions)
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- **Empty Steering Directory**: Warn user that project context is missing and may affect analysis quality
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- **Complex Integration Unclear**: Flag for comprehensive research in design phase rather than blocking
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- **Language Undefined**: Default to English (`en`) if spec.json doesn't specify language
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### Next Phase: Design Generation
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**If Gap Analysis Complete**:
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- Review gap analysis insights
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- Run `/kiro:spec-design $1` to create technical design document
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- Or `/kiro:spec-design $1 -y` to auto-approve requirements and proceed directly
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**Note**: Gap analysis is optional but recommended for brownfield projects to inform design decisions.
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