webref/.specify/templates/spec-template.md

Specification: [FEATURE_NAME]

Version: [X.Y.Z]
Created: [YYYY-MM-DD]
Last Updated: [YYYY-MM-DD]
Status: [Draft | Review | Approved | Implemented]
Owner: [OWNER_NAME]

Purpose

Clear statement of what this specification defines and its business/technical value.

Requirements

Functional Requirements

FR1: [Requirement Name]

Priority: [Critical | High | Medium | Low]
Description: Detailed description of the requirement.

Acceptance Criteria:

• Criterion 1 (testable condition)
• Criterion 2 (testable condition)
• Criterion 3 (testable condition)

Constitutional Alignment:

• Testing: [How this will be tested per Principle 2]
• UX Impact: [User-facing implications per Principle 3]
• Performance: [Performance considerations per Principle 4]

FR2: [Requirement Name]

[Repeat structure above]

Non-Functional Requirements

NFR1: Performance

Per Constitutional Principle 4:

• Response time: [target, e.g., <200ms for p95]
• Throughput: [target, e.g., >1000 req/s]
• Resource limits: [memory/CPU bounds]
• Scalability: [expected load ranges]

NFR2: Quality

Per Constitutional Principle 1:

• Code coverage: ≥80% (Principle 2 requirement)
• Linting: Zero errors/warnings
• Type safety: Full type hints on public APIs
• Documentation: All public APIs documented

NFR3: User Experience

Per Constitutional Principle 3:

• Accessibility: WCAG 2.1 AA compliance
• Error handling: User-friendly messages
• Consistency: Follows existing design patterns
• Response feedback: <200ms or progress indicators

NFR4: Maintainability

Per Constitutional Principle 1:

• Complexity: Cyclomatic complexity <10 per function
• Dependencies: Explicit versioning, security audit
• Modularity: Clear separation of concerns

Design

Architecture Overview

[Diagram or description of system components and their interactions]

Data Models

# Example data structures with type hints
class ExampleModel:
    """Clear docstring explaining purpose."""
    field1: str
    field2: int
    field3: Optional[List[str]]

API/Interface Specifications

Endpoint/Method: [Name]

def example_function(param1: str, param2: int) -> ResultType:
    """
    Clear description of what this does.
    
    Args:
        param1: Description of parameter
        param2: Description of parameter
        
    Returns:
        Description of return value
        
    Raises:
        ValueError: When validation fails
    """
    pass

Error Handling:

• Error case 1: Response/behavior
• Error case 2: Response/behavior

Testing Strategy

Unit Tests

• Component A: [Test scenarios]
• Component B: [Test scenarios]
• Edge cases: [List critical edge cases]

Integration Tests

• Integration point 1: [Test scenario]
• Integration point 2: [Test scenario]

Performance Tests

• Benchmark 1: [Target metric]
• Load test: [Expected traffic pattern]

Implementation Considerations

Performance Analysis

• Algorithmic complexity: [Big-O analysis]
• Database queries: [Query plans, indexes needed]
• Caching strategy: [What, when, invalidation]
• Bottleneck prevention: [Known risks and mitigations]

Security Considerations

• Authentication/Authorization requirements
• Input validation requirements
• Data protection measures

Migration Path

If this changes existing functionality:

• Backward compatibility strategy
• User migration steps
• Rollback plan

Dependencies

Internal Dependencies

• Module/Service A: [Why needed]
• Module/Service B: [Why needed]

External Dependencies

# New dependencies to add (with justification)
package-name==X.Y.Z  # Why: specific reason for this dependency

Rollout Plan

1. Development: [Timeline and milestones]
2. Testing: [QA approach and environments]
3. Staging: [Validation steps]
4. Production: [Deployment strategy - canary/blue-green/etc]
5. Monitoring: [Key metrics to watch]

Success Metrics

Post-deployment validation:

• All acceptance criteria met
• Performance benchmarks achieved
• Zero critical bugs in first week
• User feedback collected and positive
• Test coverage ≥80% maintained

Open Issues

• Issue 1 requiring resolution
• Issue 2 needing decision

Appendix

References

• Related specifications
• External documentation
• Research materials

Change Log

Version	Date	Author	Changes
1.0.0	YYYY-MM-DD	Name	Initial specification