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feat: Phase 5.3 - Multi-Agent Learning Infrastructure Implement intelligent agent learning from Knowledge Graph execution history with per-task-type expertise tracking, recency bias, and learning curves. ## Phase 5.3 Implementation ### Learning Infrastructure (✅ Complete) - LearningProfileService with per-task-type expertise metrics - TaskTypeExpertise model tracking success_rate, confidence, learning curves - Recency bias weighting: recent 7 days weighted 3x higher (exponential decay) - Confidence scoring prevents overfitting: min(1.0, executions / 20) - Learning curves computed from daily execution windows ### Agent Scoring Service (✅ Complete) - Unified AgentScore combining SwarmCoordinator + learning profiles - Scoring formula: 0.3*base + 0.5*expertise + 0.2*confidence - Rank agents by combined score for intelligent assignment - Support for recency-biased scoring (recent_success_rate) - Methods: rank_agents, select_best, rank_agents_with_recency ### KG Integration (✅ Complete) - KGPersistence::get_executions_for_task_type() - query by agent + task type - KGPersistence::get_agent_executions() - all executions for agent - Coordinator::load_learning_profile_from_kg() - core KG→Learning integration - Coordinator::load_all_learning_profiles() - batch load for multiple agents - Convert PersistedExecution → ExecutionData for learning calculations ### Agent Assignment Integration (✅ Complete) - AgentCoordinator uses learning profiles for task assignment - extract_task_type() infers task type from title/description - assign_task() scores candidates using AgentScoringService - Fallback to load-based selection if no learning data available - Learning profiles stored in coordinator.learning_profiles RwLock ### Profile Adapter Enhancements (✅ Complete) - create_learning_profile() - initialize empty profiles - add_task_type_expertise() - set task-type expertise - update_profile_with_learning() - update swarm profiles from learning ## Files Modified ### vapora-knowledge-graph/src/persistence.rs (+30 lines) - get_executions_for_task_type(agent_id, task_type, limit) - get_agent_executions(agent_id, limit) ### vapora-agents/src/coordinator.rs (+100 lines) - load_learning_profile_from_kg() - core KG integration method - load_all_learning_profiles() - batch loading for agents - assign_task() already uses learning-based scoring via AgentScoringService ### Existing Complete Implementation - vapora-knowledge-graph/src/learning.rs - calculation functions - vapora-agents/src/learning_profile.rs - data structures and expertise - vapora-agents/src/scoring.rs - unified scoring service - vapora-agents/src/profile_adapter.rs - adapter methods ## Tests Passing - learning_profile: 7 tests ✅ - scoring: 5 tests ✅ - profile_adapter: 6 tests ✅ - coordinator: learning-specific tests ✅ ## Data Flow 1. Task arrives → AgentCoordinator::assign_task() 2. Extract task_type from description 3. Query KG for task-type executions (load_learning_profile_from_kg) 4. Calculate expertise with recency bias 5. Score candidates (SwarmCoordinator + learning) 6. Assign to top-scored agent 7. Execution result → KG → Update learning profiles ## Key Design Decisions ✅ Recency bias: 7-day half-life with 3x weight for recent performance ✅ Confidence scoring: min(1.0, total_executions / 20) prevents overfitting ✅ Hierarchical scoring: 30% base load, 50% expertise, 20% confidence ✅ KG query limit: 100 recent executions per task-type for performance ✅ Async loading: load_learning_profile_from_kg supports concurrent loads ## Next: Phase 5.4 - Cost Optimization Ready to implement budget enforcement and cost-aware provider selection.
2026-01-11 13:03:53 +00:00
# 🎨 Vapora Logo System
<img src="vapora.svg" alt="Vapora Logo" width="400">
Complete branding system for Vapora with horizontal and vertical logo variations, comprehensive color specifications, and typography guidelines.
## 📂 Logo Files
### Horizontal Logos
- **vapora.svg** - Main animated version with gradient colors and black background
- **vapora_white.svg** - Static version optimized for light backgrounds
- **vapora_mono.svg** - Monochromatic grayscale version for printing
- **vapora_static.svg** - Static version without animations (for PDFs, documents)
- **vapora_favicon.svg** - 64x64px compact favicon version
### Vertical Logos
- **vapora_v.svg** - Main animated vertical version (image on top, text below)
- **vapora_v_white.svg** - Static vertical version for light backgrounds
- **vapora_v_mono.svg** - Monochromatic grayscale vertical version
- **vapora_v_static.svg** - Static vertical version without animations
- **vapora_v_favicon.svg** - 64x64px compact vertical favicon
## 🎯 Usage Guidelines
### When to Use Each Variant
**Horizontal Layout**
- Websites and web applications (animated or static)
- Headers and hero sections
- Social media profiles
- Email signatures (static version)
**Vertical Layout**
- Profile pictures and avatars
- Vertical banners
- App icons
- Card layouts with constrained width
**Color Variants**
- **Animated (Color)**: Digital products, interactive platforms, dynamic content
- **White Background**: Light-themed websites, printed materials on colored backgrounds
- **Monochromatic**: Professional documents, B&W printing, accessibility
- **Static**: PDFs, printed materials, documentation
- **Favicon**: Browser tabs, favicons, small UI elements
## 🎨 Brand Colors
### Primary Color Palette
| Color | HTML | RGB | CMYK |
|-------|------|-----|------|
| Cyan | #22d3ee | rgb(34, 211, 238) | 86%, 11%, 0%, 7% |
| Purple | #a855f7 | rgb(168, 85, 247) | 32%, 66%, 0%, 3% |
| Pink | #ec4899 | rgb(236, 72, 153) | 0%, 70%, 35%, 8% |
| Black | #000000 | rgb(0, 0, 0) | 0%, 0%, 0%, 100% |
| White | #ffffff | rgb(255, 255, 255) | 0%, 0%, 0%, 0% |
**Gradient**: Cyan → Purple → Pink (horizontal transition)
## 📝 Typography
### Main Logo Text
- **Font Family**: JetBrains Mono / Fira Code
- **Style**: Monospace
- **Weight**: 800 (Bold)
- **Letter Spacing**: 2-3px
- **Text**: VAPORA
### Tagline
- **Font Family**: Inter
- **Style**: Sans-serif
- **Size**: 8px
- **Letter Spacing**: 0.1em
- **Text**: "Evaporate complexity"
### Font Loading (Google Fonts)
To ensure JetBrains Mono is always available, all SVG files use **Google Fonts CDN**:
**In SVG files:**
```xml
<defs>
<style>
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@800&display=swap');
</style>
</defs>
```
**In HTML files:**
```html
<head>
<link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@800&display=swap" rel="stylesheet">
</head>
```
This guarantees the font loads properly even if users don't have JetBrains Mono installed locally. The `display=swap` parameter ensures text displays immediately with fallback fonts while the custom font loads.
## 📊 Technical Specifications
### SVG Properties
- **Scalable Vector Graphics** format
- **Responsive**: Scales to any size without quality loss
- **ViewBox**: Proportional scaling using viewBox attributes
- **preserveAspectRatio**: xMidYMid meet (maintains aspect ratio)
### Animation Details
- **Animated versions**: Stroke animations, particle movements, pulsing effects
- **Static versions**: Same design without motion
- **Performance**: Lightweight SVG files optimized for web
## 🌐 Interactive Preview
For a comprehensive, interactive preview of all logo variants with:
- Color palette with one-click copy functionality
- Typography specifications
- Detailed size examples
- Responsive grid layout
Visit: **[vapora_logo.html](./vapora_logo.html)**
## 💾 File Sizes & Formats
All logos are available as SVG files (scalable vector graphics):
- **Small**: 5-15 KB per file
- **Format**: SVG + inline styles
- **Browser Support**: All modern browsers (Chrome, Firefox, Safari, Edge)
## 🎭 Color Modes
### Light Mode (vapora_white.svg family)
- White background (#ffffff)
- All gradient colors maintained
- Best for: Light-themed interfaces
### Dark Mode (vapora.svg family)
- Black background (#000000)
- Full color gradients with glow effects
- Best for: Dark-themed interfaces
### Print & Professional (vapora_mono.svg family)
- Black background with grayscale colors
- Best for: Printing, official documents
- CMYK values provided for print production
## 🚀 Implementation Tips
### Web Usage
```html
<!-- Horizontal animated -->
<img src="./vapora.svg" alt="Vapora Logo">
<!-- Vertical for avatars -->
<img src="./vapora_v.svg" alt="Vapora Logo Vertical">
<!-- Static for static content -->
<img src="./vapora_static.svg" alt="Vapora Logo">
```
### Responsive Sizing
- Mobile: Use favicon or small scale (64-128px)
- Tablet: Medium scale (200-400px)
- Desktop: Full scale (400px+)
- All SVG files scale infinitely without quality loss
### Print Production
1. Use `vapora_mono.svg` for B&W printing
2. Use CMYK color values for print preparation
3. Ensure minimum 50px height for small prints
4. Use static versions (no animations) for PDFs
### Font Implementation in Your Project
To integrate Vapora logos in your project and ensure fonts work correctly:
**Option 1: Link in HTML (Recommended)**
```html
<!-- In your HTML head -->
<link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@800&display=swap" rel="stylesheet">
<!-- SVGs will automatically use the loaded font -->
<img src="./vapora.svg" alt="Vapora">
```
**Option 2: Import in CSS**
```css
/* In your main CSS file */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@800&display=swap');
```
**Option 3: Direct in SVG (Already included)**
```xml
<!-- SVG files already include this -->
<style>
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@800&display=swap');
</style>
```
**Font Parameters:**
- `family=JetBrains+Mono` - Font name (URL-encoded)
- `wght@800` - Weight (800 = Bold)
- `display=swap` - Shows fallback text immediately, swaps when font loads
## 📋 Brand Assets Checklist
- [x] Horizontal logo (animated)
- [x] Horizontal logo (static)
- [x] Vertical logo (animated)
- [x] Vertical logo (static)
- [x] Light background variant
- [x] Monochromatic variant
- [x] Favicon variants
- [x] Color specifications (HTML, RGB, CMYK)
- [x] Typography guidelines
- [x] Interactive preview page
## 📍 File Location
This README and all brand assets are located in:
```
vapora/
└── assets/
├── README.md (this file)
├── vapora_logo.html (interactive preview)
├── vapora.svg (and other logo files)
└── ...
```
## 📞 Support
For questions about logo usage or brand guidelines, refer to the interactive preview page:
### Open the Logo Preview
1. Navigate to the `imgs` folder
2. Open **[vapora_logo.html](./vapora_logo.html)** in your browser
3. Click on any logo to view it in full-screen
**Direct URL**: `./vapora_logo.html`
---
**Last Updated**: November 2025
**Brand**: Vapora - Evaporate complexity
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