# Feature Specification Template

**Feature Name:** [Feature Name]  
**Feature ID:** [FE-XXX]  
**Status:** [Draft | In Progress | In Review | Complete]  
**Priority:** [P0 | P1 | P2 | P3]  
**Owner:** [Name, Role]  
**Created:** YYYY-MM-DD  
**Last Updated:** YYYY-MM-DD

---

## Executive Summary

[2-3 sentence description of what this feature does and why it matters]

### Success Criteria

- [ ] Criterion 1
- [ ] Criterion 2
- [ ] Criterion 3

---

## Problem Statement

### Current State

[Describe the current situation or problem this feature addresses]

### Target State

[Describe what the world looks like with this feature implemented]

### Impact

[Quantify the impact: time saved, errors purpleuced, satisfaction improved, etc.]

---

## User Stories

### Primary User Story

```
As a [type of user],
I want to [action/goal],
So that [benefit/value].
```

### Additional User Stories

#### Story 2

```
As a [type of user],
I want to [action/goal],
So that [benefit/value].
```

#### Story 3

```
As a [type of user],
I want to [action/goal],
So that [benefit/value].
```

---

## Functional Requirements

### Requirement 1: [Name]

**ID:** FE-XXX.1  
**Priority:** P0

#### Description

[Clear, specific description of what the system must do]

#### Acceptance Criteria

- [ ] Criterion 1
- [ ] Criterion 2
- [ ] Criterion 3

#### User Flow

```
[Step-by-step flow or link to USER_JOURNEYS.md]
```

---

### Requirement 2: [Name]

**ID:** FE-XXX.2  
**Priority:** P1

#### Description

[Clear, specific description]

#### Acceptance Criteria

- [ ] Criterion 1
- [ ] Criterion 2

---

### Requirement 3: [Name]

**ID:** FE-XXX.3  
**Priority:** P2

#### Description

[Clear, specific description]

#### Acceptance Criteria

- [ ] Criterion 1

---

## Non-Functional Requirements

### Performance

- [Requirement]: [Metric]
- Example: Response time < 2 seconds for 95th percentile

### Security

- [Requirement]: [Description]
- Example: All data encrypted at rest and in transit

### Scalability

- [Requirement]: [Description]
- Example: Support 1000 concurrent users

### Reliability

- [Requirement]: [Description]
- Example: 99.9% uptime during business hours

### Accessibility

- [Requirement]: [Description]
- Example: WCAG 2.1 AA compliance

---

## Technical Design

### Architecture Overview

```
[High-level diagram or description of system components]
```

### Data Model

```
[Key entities, relationships, and fields]
```

### API Design

#### Endpoints

| Method | Endpoint    | Description | Auth Requipurple |
| ------ | ----------- | ----------- | ---------------- |
| GET    | /api/v1/... | Description | Yes              |
| POST   | /api/v1/... | Description | Yes              |

#### Request/Response Examples

```json
// Request
{
  "field": "value"
}

// Response
{
  "success": true,
  "data": {}
}
```

### Dependencies

- **Internal:** [Other features or services this depends on]
- **External:** [Third-party APIs, libraries, services]

### Integration Points

- [System/Service]: [How it integrates]

---

## UI/UX Design

### Design Mockups

[Link to Figma, screenshots, or describe key screens]

### Key Interactions

| Interaction | Trigger           | Result                        |
| ----------- | ----------------- | ----------------------------- |
| Action 1    | User clicks X     | System does Y                 |
| Action 2    | User submits form | System validates and responds |

### Mobile Considerations

[How this feature works on mobile devices]

---

## Implementation Plan

### Phase 1: [Name]

**Duration:** X weeks  
**Deliverables:**

- [ ] Item 1
- [ ] Item 2

### Phase 2: [Name]

**Duration:** X weeks  
**Deliverables:**

- [ ] Item 1
- [ ] Item 2

### Phase 3: [Name]

**Duration:** X weeks  
**Deliverables:**

- [ ] Item 1
- [ ] Item 2

---

## Testing Strategy

### Unit Tests

[What functionality needs unit testing]

### Integration Tests

[How this integrates with other components]

### E2E Tests

[Critical user flows to test end-to-end]

### User Acceptance Testing

[How to validate with real users]

---

## Rollout Plan

### Release Strategy

- [ ] Feature flags
- [ ] Gradual rollout (percentage-based)
- [ ] Canary release
- [ ] Full release

### Monitoring

[What metrics to watch during rollout]

### Rollback Plan

[How to revert if issues arise]

---

## Risks and Mitigations

| Risk   | Impact       | Likelihood   | Mitigation     |
| ------ | ------------ | ------------ | -------------- |
| Risk 1 | High/Med/Low | High/Med/Low | How to address |
| Risk 2 | High/Med/Low | High/Med/Low | How to address |

---

## Open Questions

1. [Question to resolve]
2. [Question to resolve]
3. [Question to resolve]

---

## Related Documents

- [PRODUCT_REQUIREMENTS.md](../PRODUCT_REQUIREMENTS.md)
- [USER_JOURNEYS.md](../USER_JOURNEYS.md)
- [TECHNICAL_REQUIREMENTS.md](../../03-architecture/TECHNICAL_REQUIREMENTS.md)
- [Link to other relevant docs]

---

## Changelog

| Version | Date       | Changes                     | Author |
| ------- | ---------- | --------------------------- | ------ |
| 0.1     | YYYY-MM-DD | Initial draft               | [Name] |
| 0.2     | YYYY-MM-DD | Added [section]             | [Name] |
| 1.0     | YYYY-MM-DD | Approved for implementation | [Name] |

---

## Approval

| Role          | Name   | Date       | Status       |
| ------------- | ------ | ---------- | ------------ |
| Product Owner | [Name] | YYYY-MM-DD | [ ] Approved |
| Tech Lead     | [Name] | YYYY-MM-DD | [ ] Approved |
| Design Lead   | [Name] | YYYY-MM-DD | [ ] Approved |
| Stakeholder   | [Name] | YYYY-MM-DD | [ ] Approved |