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@@ -450,45 +450,94 @@ Each documentation artifact has associated KPIs. Track these to ensure quality:
# PRD: Feature Name # PRD: Feature Name
## 1. Business Context & Success Metrics ## 1. Business Context & Success Metrics
- Business Goal
- User Stories (with acceptance criteria) ### Business Goal
- **Functional Requirements (FR)**: List each FR ID with its corresponding KPI target [Clear statement of the business problem being solved and why]
- **Non-Functional Requirements (NFR)**: Define quality/constraint requirements (e.g., "Support 10K TPS", "99.9% uptime", "TLS 1.3+")
- **Success Metrics (KPIs)**: Define measurable targets that validate NFRs (e.g., "95th percentile latency <200ms", "MTTR <10min", "100% TLS 1.3") ### User Stories
- **US-XXX**: [User story with clear action and value]
- *Example: US-001 - As a wine retailer customer, I want to access the sommpanion chat so that I can get wine-related help quickly*
### KPIs & Targets
- **KPI-XXX**: [Measurable target with validation reference]
- *Example: KPI-001 - 95% of chat messages receive responses within 3 seconds (validates FR-001)*
## 2. Technical Boundaries ## 2. Technical Boundaries
- In Scope
- Out of Scope ### In Scope
- Dependencies (e.g., "Requires Stripe API v2023-08") [List features and capabilities included in this release]
### Out of Scope
[List features explicitly excluded from this release]
### Dependencies
[List external services, APIs, or systems this feature depends on]
### Deployment Constraints
- **NFR-XXX**: [Deployment-specific requirement]
- *Example: NFR-501 - System shall be deployed to MicroK8s cluster with relative URL support*
## 3. Functional Requirements (FR) ## 3. Functional Requirements (FR)
- **FR-XXX**: [Requirement ID] - [Clear, testable functional requirement]
- **FR-XXX**: [Requirement ID] - [Clear, testable functional requirement] ### FR-XXX: [Requirement Title]
- *Example: FR-001 - System shall allow users to invite teammates via email address* [Detailed description of what the system shall do]
- [Specific behavior 1]
- [Specific behavior 2]
- [Specific behavior 3]
**Traceability**: US-XXX, US-XXX
### FR-XXX: [Requirement Title]
[Detailed description of what the system shall do]
- [Specific behavior 1]
**Traceability**: US-XXX
## 4. Non-Functional Requirements (NFRs) ## 4. Non-Functional Requirements (NFRs)
### 4.1 Performance & Scalability ### 4.1 Performance & Scalability
- [e.g., Support 10K TPS, scale horizontally to 100 nodes] - **NFR-XXX**: [Performance requirement with measurable threshold]
- *Example: NFR-101 - Support page shall load in <1 second on 3G networks*
### 4.2 Availability & Reliability ### 4.2 Availability & Reliability
- [e.g., SLO: 99.9% monthly uptime, MTTR < 10min] - **NFR-XXX**: [Reliability requirement]
- *Example: NFR-201 - Chat functionality shall have 99.9% monthly uptime*
### 4.3 Privacy & Security ### 4.3 Privacy & Security
- Data Classification: [e.g., PII, PHI] - **Data Classification**: [e.g., PII, PHI, commercial data]
- Threat Model Outcomes: [e.g., "Mitigates replay attacks via nonce + timestamp"] - **Encryption**: [e.g., TLS 1.3+, AES-256 at rest]
- Auth/Z Expectations: [e.g., RBAC with 3 roles: viewer, editor, admin] - **Authentication**: [e.g., Session-based, OAuth2, API keys]
- Encryption: [e.g., TLS 1.3+, AES-256 at rest] - **Compliance**: [e.g., GDPR Art. 32, SOC2 Type II, HIPAA]
- Compliance: [e.g., GDPR Art. 32, SOC2 Type II]
### 4.4 Observability & Telemetry ### 4.4 Observability & Telemetry
- Required Logs: [e.g., `user_id`, `request_id`, `status`, `latency_ms`] - **Required Logs**: [e.g., `session_id`, `user_id`, `message_id`, `event_type`, `timestamp`, `latency_ms`]
- Critical Metrics: [e.g., `auth_failures_total`, `api_latency_seconds{quantile=0.99}`] - **Critical Metrics**:
- Tracing: [e.g., Zipkin/B3 propagation, 10% sampling] - `metric_name_1`
- Alerting: [e.g., `auth_failure_rate > 5%/min` triggers PagerDuty] - `metric_name_2`
- Retention: [e.g., Logs: 30 days, Metrics: 1 year] - **Tracing**: [e.g., Zipkin/B3 propagation, 10% sampling]
- **Alerting**: [e.g., `chat_delivery_rate < 95%` triggers PagerDuty]
- **Retention**: [e.g., Logs: 30 days, Metrics: 1 year]
## 5. Acceptance Conditions ## 5. Acceptance Conditions
- [List verifiable conditions for sign-off, including validation gates]
- [ ] **FR-XXX**: [Verifiable acceptance condition]
- [ ] **FR-XXX**: [Verifiable acceptance condition]
- [ ] **NFR-XXX**: [Verifiable acceptance condition]
- *Example: [ ] FR-001: Sommpanion landing page renders with all required elements*
## 6. Requirements Traceability Matrix
| Requirement ID | Description | Implementation File | Test File |
|----------------|-------------|---------------------|-----------|
| FR-XXX | [Brief description] | `path/to/file.ext` | `tests/file.spec.js` |
| NFR-XXX | [Brief description] | `path/to/file.ext` | `tests/file.spec.js` |
**Notes**:
- Functional Requirements (FR) define what the system shall do
- Non-Functional Requirements (NFR) define system qualities (performance, availability, security, etc.)
- KPIs are measurable targets that validate whether requirements were met post-deployment
- Each requirement must include a clear requirement ID for traceability
- All acceptance conditions must be verifiable through testing or manual inspection
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### Solution Design Template ### Solution Design Template