System Design

 UI/UX design for FactHarbor including POC and production interfaces == 1. Design Philosophy == Core Principles:

1. Transparency First: Show how verdicts were reached
   2. Clarity Over Completeness: Don't overwhelm users
   3. Progressive Disclosure: Details available on demand
   4. Quality Indicators Visible: Users should see confidence levels immediately
   5. Mobile-First: Majority of users on mobile devices == 2. POC1 Interface Design == === 2.1 Input Screen === ┌──────────────────────────────────────┐
   │ FactHarbor - Fact Analysis POC │
   ├──────────────────────────────────────┤
   │ │
   │ Paste article text or URL: │
   │ ┌─────────────────────────────────┐ │
   │ │ │ │
   │ │ (text input area) │ │
   │ │ │ │
   │ └─────────────────────────────────┘ │
   │ │
   │ [ Analyze ] │
   │ │
   │ Note: This is a POC. Results are │
   │ AI-generated and may contain errors.│
   └──────────────────────────────────────┘ Design Notes:

• Simple, single-purpose interface
• Clear POC disclaimer
• No authentication/accounts needed === 2.2 Results Display === ┌──────────────────────────────────────┐
  │ FactHarbor Analysis Results │
  ├──────────────────────────────────────┤
  │ │
  │ Quality Score: 8.5/10 ✅ │
  │ Quality Gates: 2/2 Passed │
  │ │
  │ ═══════════════════════════════════ │
  │ │
  │ 📋 Claims Found: 3 verifiable │
  │ (2 non-verifiable filtered) │
  │ │
  │ ─────────────────────────────────── │
  │ │
  │ CLAIM 1: [claim text] │
  │ Verdict: ✅ WELL-SUPPORTED (85%) │
  │ Sources: 4 │
  │ [Show Details ▼] │
  │ │
  │ ─────────────────────────────────── │
  │ │
  │ CLAIM 2: [claim text] │
  │ Verdict: ⚠️ PARTIALLY SUPPORTED (65%)│
  │ Sources: 2 │
  │ [Show Details ▼] │
  │ │
  │ ─────────────────────────────────── │
  │ │
  │ BLOCKED CLAIM: [opinion text] │
  │ ❌ Non-factual (Opinion detected) │
  │ Explanation: Contains subjective │
  │ language ("best", "should") │
  │ │
  └──────────────────────────────────────┘ Design Features:
• Quality score prominently displayed
• Color coding for verdict confidence
• Expandable details (progressive disclosure)
• Clear blocked claims with explanations === 2.3 Claim Detail View === ┌──────────────────────────────────────┐
  │ CLAIM: [full claim text] │
  ├──────────────────────────────────────┤
  │ │
  │ Verdict: ✅ WELL-SUPPORTED │
  │ Confidence: 85% (HIGH) │
  │ │
  │ Evidence Sources: 4 │
  │ ┌──────────────────────────────────┐│
  │ │ 📄 Source 1: Reuters ││
  │ │ Quality: 0.9 (High) ││
  │ │ [Supports claim] ││
  │ │ [View source →] ││
  │ ├──────────────────────────────────┤│
  │ │ 📄 Source 2: BBC ││
  │ │ Quality: 0.8 (High) ││
  │ │ [Supports claim] ││
  │ │ [View source →] ││
  │ └──────────────────────────────────┘│
  │ │
  │ Reasoning: │
  │ [AI-generated explanation of verdict]│
  │ │
  │ Quality Checks: │
  │ ✅ Gate 1: Factual claim │
  │ ✅ Gate 4: Sufficient evidence │
  │ │
  └──────────────────────────────────────┘ == 3. POC2 Interface Enhancements == === 3.1 Added Features === Scenario Display:
  ┌──────────────────────────────────────┐
  │ CLAIM: [text] │
  ├──────────────────────────────────────┤
  │ │
  │ Scenarios Evaluated: 2 │
  │ │
  │ 📍 Scenario A: [interpretation] │
  │ Verdict: WELL-SUPPORTED (80%) │
  │ [Show details ▼] │
  │ │
  │ 📍 Scenario B: [interpretation] │
  │ Verdict: UNCERTAIN (45%) │
  │ [Show details ▼] │
  │ │
  └──────────────────────────────────────┘ Evidence Provenance:
• Show if multiple sources cite same underlying evidence
• Display deduplication results
• Provenance chain visualization Quality Metrics Dashboard:
• Internal view showing all 4 gates
• Historical performance trends
• Hallucination rate tracking == 4. Full System Design (V1.0+) == === 4.1 Additional Features === User Accounts:
• Save analyses
• Track corrections
• Contribute feedback Advanced Search:
• Find previous analyses
• Filter by topic, verdict type
• Sort by date, relevance Corrections Banner:
  ┌──────────────────────────────────────┐
  │ ⚠️ This analysis was corrected │
  │ [View correction log →] │
  └──────────────────────────────────────┘ Public Quality Dashboard:
• Real-time metrics
• Transparency reports
• Historical trends == 5. Responsive Design == Mobile-First Approach:
• Single column layout
• Touch-friendly targets
• Collapsible sections by default
• Fast load times Desktop Enhancements:
• Multi-column layout where appropriate
• Side-by-side evidence comparison
• Advanced filters always visible == 6. Accessibility == WCAG 2.1 AA Compliance:
• Keyboard navigation
• Screen reader support
• Color contrast ratios
• Alternative text for icons
• Focus indicators == 7. Related Pages == * Architecture - System architecture
• Requirements - UI requirements
• Roadmap - Implementation phases Document Status: ✅ Design Specified (POC1, POC2, V1.0) Version: V0.9.70