Feature: [Feature Name]

October 14, 2025 · View on GitHub

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Implementation Checklist
Technical Spec
Testing Strategy

Problem Statement (Analyst Perspective)

User Pain Point

What specific frustration or need does this feature address?

Example:

Shop owners cannot discover private BTCPay servers because they're not listed publicly, creating a barrier for private server providers who want selective onboarding.

Evidence

Provide data supporting this need:

User Feedback: "Quote from user interview or feedback"
Analytics Data: X% of users requested this feature
Market Research: Competitors offer this; we're missing it
Support Tickets: Y tickets related to this issue

Affected Users

Primary: [User segment most affected]
Secondary: [Additional affected segments]
Volume: Approximately X users impacted

Success Criteria

How will we measure if this feature solves the problem?

Metric 1: [Specific, measurable outcome]
- Target: [Number]
- Measurement: [How we'll track it]
Metric 2: [Specific, measurable outcome]
- Target: [Number]
- Measurement: [How we'll track it]
Metric 3: [User satisfaction or qualitative outcome]
- Target: [Description]
- Measurement: [How we'll assess it]

Solution Overview (Architect Perspective)

Proposed Approach

High-level description of the solution.

Example:

Generate unique invitation IDs for private servers. Server owners can share invitation links that allow specific shops to discover and connect to their servers without listing publicly.

System Components Affected

Frontend Changes

Pages/Components: List affected UI components
- File: src/app/path/to/component.tsx
- Changes: Description of modifications

Backend Changes

API Endpoints: List new or modified endpoints
- POST /api/endpoint - Description
- GET /api/endpoint/:id - Description

Database Changes

Schema Modifications:

model Example {
  id        Int      @id @default(autoincrement())
  newField  String   // Description of new field
}

Third-Party Integrations

Service: What it's used for
API Calls: Which endpoints we'll use

Data Flow

User Action → API Endpoint → Database → Response → UI Update

Describe the complete flow through the system.

Technical Risks

Risk	Likelihood	Impact	Mitigation
Risk description	High/Med/Low	High/Med/Low	How we'll address it

Dependencies

Requires: [Other features or work that must be done first]
Blocks: [What this feature unblocks]
Related: [Connected but not blocking features]

Implementation Plan (PM Perspective)

Development Phases

Phase 1: Foundation (Week 1-2)

Goal: [What we'll accomplish]

Deliverables:

Database schema changes
Migration scripts
API endpoints (backend only)

Exit Criteria: Backend functionality complete and tested

Phase 2: Integration (Week 3-4)

Goal: [What we'll accomplish]

Deliverables:

Frontend components
User interface
End-to-end testing

Exit Criteria: Feature functional in staging environment

Phase 3: Polish & Launch (Week 5)

Goal: [What we'll accomplish]

Deliverables:

Bug fixes
Documentation
Production deployment

Exit Criteria: Feature live in production with monitoring

Timeline

Milestone	Target Date	Status
Phase 1 Complete	YYYY-MM-DD	Not Started
Phase 2 Complete	YYYY-MM-DD	Not Started
Phase 3 Complete	YYYY-MM-DD	Not Started

Resource Requirements

Development Time: X days/weeks
Design Time: Y days (if applicable)
Testing Time: Z days
Documentation: Included in phases

Development Tasks (Scrum Master Perspective)

Backend Tasks

Database Migration: Add new fields/tables
- File: prisma/schema.prisma
- Effort: [S/M/L]
API Endpoint 1: Create/modify endpoint
- File: src/app/api/path/route.ts
- Effort: [S/M/L]
API Endpoint 2: Create/modify endpoint
- File: src/app/api/path/route.ts
- Effort: [S/M/L]

Frontend Tasks

Component 1: Create/modify UI component
- File: src/app/path/component.tsx
- Effort: [S/M/L]
Component 2: Create/modify UI component
- File: src/app/path/component.tsx
- Effort: [S/M/L]

Testing Tasks

Unit Tests: Test backend logic
- Coverage: [percentage or description]
Integration Tests: Test API endpoints
- Scenarios: [list key scenarios]
E2E Tests: Test user flows
- Flows: [list critical paths]
Manual Testing: Test edge cases
- Cases: [list specific cases]

Documentation Tasks

API Documentation: Document new endpoints
User Guide: Update user-facing docs
Developer Guide: Update technical docs
README: Update if needed

Testing Strategy

Test Scenarios

Happy Path

Scenario: [Normal usage flow]
- Given: [Initial state]
- When: [User action]
- Then: [Expected outcome]

Edge Cases

Scenario: [Edge case]
- Given: [Initial state]
- When: [User action]
- Then: [Expected outcome]

Error Handling

Scenario: [Error condition]
- Given: [Initial state]
- When: [Error trigger]
- Then: [Expected error handling]

Security Testing

Performance Testing

Load testing: [X concurrent users]
Response time: [< Y ms target]
Database query optimization

UI/UX Considerations

User Flows

Primary Flow: [Step-by-step user journey]
Alternative Flow: [Alternative path]
Error Flow: [What happens when things go wrong]

Design Requirements

Responsive: Must work on mobile, tablet, desktop
Accessibility: WCAG compliance level
Dark Mode: Support dark theme
Loading States: Show appropriate feedback

Wireframes/Mockups

[Link to Figma, screenshots, or ASCII diagrams]

Rollout Strategy

Deployment Plan

Staging: Deploy to staging environment
Internal Testing: Team tests feature
Beta: Limited user rollout (if applicable)
Production: Full rollout

Feature Flags

Implement feature flag for gradual rollout
Define rollout percentage (e.g., 10% → 50% → 100%)

Rollback Plan

If feature causes issues:

Disable feature flag
Or revert deployment
Investigate and fix
Redeploy

Monitoring

Metrics to Track:
- Feature usage: [metric]
- Error rate: [metric]
- Performance: [metric]
Alerts:
- Error rate > X%
- Response time > Y ms
- Usage drops by Z%

Documentation Updates

User-Facing Docs

Update README with feature description
Add to user guide/help docs
Create tutorial or walkthrough

Developer Docs

API documentation
Architecture decision record (if applicable)
Code comments and inline docs

Marketing/Communications

Announcement blog post
Email to users
Social media posts

Reflection Questions

Before Implementation

Is this the simplest solution?
- Could we solve this with less complexity?
What assumptions are we making?
- List assumptions and how we'll validate them
What could go wrong?
- List potential failure modes

During Implementation

Are we on track?
- Check against timeline and milestones
What are we learning?
- Document insights and surprises

After Launch

Did we solve the problem?
- Review success metrics
What would we do differently?
- Document lessons learned

Post-Launch Review

Review Date: [6 weeks after launch] Status: [Success | Partial Success | Needs Iteration]

Metrics Results

Metric	Target	Actual	Status
Metric 1	X	Y	✅/❌
Metric 2	X	Y	✅/❌

User Feedback

Positive feedback: [summary]
Negative feedback: [summary]
Feature requests: [summary]

Technical Performance

Reliability: [uptime, error rate]
Performance: [response times]
Scalability: [handling load]

Lessons Learned

What Went Well: [summary]
What Could Improve: [summary]
Surprising Insights: [summary]

Next Steps

Follow-up feature or improvement
Bug fixes or optimizations
Documentation updates

Created: YYYY-MM-DD Last Updated: YYYY-MM-DD Next Review: YYYY-MM-DD