User Interface
Version: v3.0.0 Status: Normative (text), Illustrative (diagrams only) Scope: Cross-cutting usability requirements for display optimization and responsiveness Domain: UI
Statement
The system shall display all screens with optimized responsiveness and readability across supported display sizes.
This domain defines foundational presentation standards that all other system domains inherit. Requirements here establish baseline usability expectations rather than screen-specific behaviors. The display optimization requirement is a Non-Functional Requirement (NFR) that applies as a cross-cutting concern to all screens, addressing usability and presentation quality.
Behavior Overview (Illustrative)
This diagram illustrates the high-level behavior. It does not specify UI layout, styling, or interaction details.
Definitions
| Term | Definition |
|---|---|
| Display Optimization | The process of adjusting visual presentation to ensure readability and usability across different screen sizes and resolutions |
| Responsive Design | An approach where the interface automatically adapts layout and sizing based on the display characteristics |
| Cross-Cutting Concern | A requirement that applies uniformly across all system screens rather than to specific functionality |
Functional Requirements
Display Standards (REQ-UI-001)
FR-UI-001 Display Optimization
The system shall display all screens with optimized responsiveness and readability across supported display sizes.
Acceptance Criteria:
Readability:
- All screens shall be readable and usable without horizontal scrolling on standard laptop displays
- UI elements shall be appropriately sized for readability across supported display resolutions
Standards Compliance:
- The system shall conform to global NFR usability and responsiveness standards
Trace: Source: 3.0.0-UI (Row 1) | Jira: BT-2589 | Tests: TC-UI-001, TC-UI-002
Configuration Options
| Option | Default | Description | Affects |
|---|---|---|---|
| (none) | — | Display optimization uses responsive CSS with no user-configurable parameters | — |
Note: The 80% zoom recommendation is guidance for users, not a system configuration setting. The system uses:
- Responsive CSS in Vue.js components for adaptive layout
- Standard browser zoom functionality (user-controlled)
- No backend configuration for display parameters
Assumptions
- Users access the system through modern web browsers with standard rendering capabilities
- Supported display sizes include standard laptop screens and desktop monitors
- Browser zoom functionality is available to users
UI Notes (Illustrative)
FR-UI-001 UI Specifications
Display Defaults:
- All screens should be displayed at 80% zoom when on laptop screen
- Current default of 100% zoom does not render optimally on some laptop displays
Implementation Approaches:
- May implement via browser zoom level defaults
- May implement via responsive design or adaptive scaling
- May combine approaches based on device detection
Cross-Cutting Scope:
- Zoom level optimization is a system-wide concern
- All screens inherit these display standards
Implementation (Illustrative)
This domain is a Non-Functional Requirement (NFR) implemented entirely in the frontend.
| Component | Type | Path | Requirements |
|---|---|---|---|
| SpaController | Controller | code/app/Http/Controllers/SpaController.php | REQ-UI-001 |
Architecture Notes:
- REQ-UI-001 (Display Optimization) is a cross-cutting NFR implemented via:
- Responsive CSS in Vue.js components
- Browser zoom level recommendations (80% for laptop displays)
- Vue.js SPA framework optimizations
- No backend logic required - the
SpaControllersimply serves the optimized frontend application - Implementation conforms to global NFR usability and responsiveness standards
Traceability Matrix
| Requirement | Title | Verification | Implementation | Test Cases | Status |
|---|---|---|---|---|---|
| REQ-UI-001 | Display Optimization | Test | SpaController (frontend CSS/responsive) | TC-UI-001, TC-UI-002 | Draft |
Notes
- The display optimization requirement is a Non-Functional Requirement (NFR) rather than functional requirement because it applies as a cross-cutting concern to all screens
- This addresses usability and presentation quality rather than isolated functional behavior
- May require coordination with individual screen implementations to ensure consistent application
Open Questions
| ID | Question | Source | Owner | Date Raised |
|---|---|---|---|---|
| (none) | No open questions identified during conversion | — | — | — |
Acceptance Tests
Test: REQ-UI-001
Test TC-UI-001: Verify readability on laptop
Given: User accesses the system on a laptop screen
When: Any screen is loaded
Then: All content is readable without horizontal scrolling
And: UI elements are appropriately sized for interaction
Test TC-UI-002: Verify consistency across screens
Given: User navigates through multiple screens on a laptop
When: Each screen loads
Then: All screens maintain consistent readability and usability
Related Design Documents
| Design Document | Relevant Sections |
|---|---|
| SDD Architecture | Frontend Architecture |
Appendix: Process Artifacts
Completion Checklist
- All requirements are capability-level (describe behavior, not UI)
- Requirement variants consolidated (no requirement explosion)
- UI details are fully demoted to Illustrative section
- Configuration options are not encoded as requirements
- Acceptance criteria describe behavior, not UI mechanics
- Every requirement has acceptance criteria and source traceability
- Error handling addressed for I/O, validation, and external system requirements
- Open questions documented with owners assigned
- Consolidations documented in Reviewer Notes with reversibility info
- Module can survive a full UI redesign unchanged
- Refinements folded into Acceptance Criteria (none present in this domain)
- Traceability matrix is complete
Checklist Notes:
- Error handling: Not applicable - this is a non-functional display requirement without I/O, validation, or external system interactions
- Open questions: None identified during conversion
Reviewer Notes
ID Mapping: NFR-UI-001 to REQ-UI-001
The original source used NFR-UI-001 as the requirement identifier. This has been mapped to REQ-UI-001 for consistency with the SRS naming convention.
| Original ID | New ID | Rationale |
|---|---|---|
| NFR-UI-001 | REQ-UI-001 | Standardized to REQ prefix per SRS convention; NFR classification preserved in Notes |
Reversibility: To restore original identifier, reference:
- Source:
output/pilot/restructured/ui.md - Original ID: NFR-UI-001
Source Content Disposition
| Source Item | Disposition |
|---|---|
| NFR-UI-001 requirement | Converted to REQ-UI-001, preserved as FR-UI-001 |
| 80% zoom specification | Moved to UI Notes (Illustrative) and Configuration Options |
| Gherkin tests | Preserved in Acceptance Tests section |
| Design specification link | Preserved in Notes |
Rationale: This domain contains a single cross-cutting NFR requirement. No consolidation was needed as there is only one requirement. The structure follows the new readability format with Statement, Behavior Overview diagram, and grouped sections.