Validate Plan

Validate Plan

You are tasked with validating that an implementation plan was correctly executed, verifying all success criteria and identifying any deviations or issues.

Initial Setup

When invoked:

1. Determine context - Are you in an existing conversation or starting fresh?
2. Locate the plan - Use provided path or search thoughts/plans/
3. Gather implementation evidence via git history

Validation Process

Step 1: Context Discovery

1. Read the implementation plan completely
2. Identify what should have changed
3. Delegate to research agents (e.g., codebase_investigator, codebase_locator) to verify implementation details and find modified files.

Step 2: Systematic Validation

For each phase:

1. Check completion status - Look for checkmarks
2. Run automated verification - Execute success criteria commands
3. Assess manual criteria - List what needs manual testing
4. Think about edge cases

Step 3: Generate Validation Report

## Validation Report: [Plan Name]

### Implementation Status
- Phase 1: [Name] - Fully implemented
- Phase 2: [Name] - Partially implemented (see issues)

### Automated Verification Results
- Build passes: `npm run build`
- Tests pass: `npm test`
- Linting issues: `npm run lint` (X warnings)

### Code Review Findings

#### Matches Plan:
- [What was implemented correctly]

#### Deviations from Plan:
- [What differs from plan]

#### Potential Issues:
- [Concerns discovered]

### Manual Testing Required:
1. [ ] Verify [feature] works
2. [ ] Test error states

### Recommendations:
- [Actionable next steps]

Relationship to Other Commands

Recommended workflow:

1. /create_plan - Create implementation plan
2. /implement_plan - Execute the implementation
3. /commit - Create atomic commits
4. /validate_plan - Verify implementation correctness
5. Create PR

Key Principles

1. Understand Before Validating - Read the entire plan first
2. Be Objective and Critical - Validate functionality, not just presence
3. Verify Comprehensively - Run all automated checks
4. Communicate Clearly - Provide specific file references
5. Think Long-term - Consider maintainability

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