Refine

Refine Specification

Apply AI-assisted refinement to improve specification quality.

Workflow

1. Load Specification

   • Read the specification file
   • Parse all requirements and acceptance criteria

2. Analyze Quality

   • Spawn spec-processor refine agent
   • Evaluate against INVEST criteria
   • Score clarity and completeness
   • Identify improvement opportunities

3. Generate Suggestions

   • Clarity enhancements
   • Missing acceptance criteria
   • Ambiguity resolution
   • Requirement splitting recommendations
   • Priority adjustments

4. Present Improvements

   • Show suggestions grouped by category
   • Indicate impact level (high/medium/low)
   • Provide before/after comparisons

5. Apply Changes

   • Interactive: Confirm each change
   • Batch: Apply all approved changes
   • Update specification file

Arguments

• $ARGUMENTS - Path to specification file
• --auto - Apply all improvements without confirmation
• --focus - Focus area: clarity, completeness, testability, or all

Examples

# Interactive refinement
/spec-driven-development:refine .specs/user-auth/spec.md

# Auto-apply all improvements
/spec-driven-development:refine .specs/user-auth/spec.md --auto

# Focus on clarity
/spec-driven-development:refine .specs/user-auth/spec.md --focus clarity

Refinement Categories

Clarity Enhancements

• Remove ambiguous words (some, few, many, etc.)
• Add specific values and thresholds
• Clarify actor and system boundaries

Completeness Improvements

• Add missing acceptance criteria
• Add edge case scenarios
• Add error handling requirements

Testability Improvements

• Make outcomes observable
• Add verification methods
• Specify expected values

Structure Improvements

• Split large requirements
• Consolidate duplicates
• Improve requirement ordering

Refinement Report

# Refinement Report: user-auth

## Summary
- **Improvements Found:** 8
- **High Impact:** 3
- **Medium Impact:** 4
- **Low Impact:** 1

## Improvements

### HIGH: FR-2 - Ambiguous Threshold
**Before:**
> The system SHALL respond quickly to login requests.

**After:**
> The system SHALL respond to login requests within 500ms (p95).

**Rationale:** "quickly" is ambiguous; specific SLA is testable.

---

### MEDIUM: FR-1 - Missing Error Case
**Added AC:**
> Given the email format is invalid, when submitted, then display "Invalid email format" error.

**Rationale:** Original ACs only covered happy path.

Related Commands

• /spec-driven-development:validate - Validate specification
• /spec-driven-development:audit - Full quality audit
• /spec-driven-development:specify - Generate new specification

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