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Author SHA1 Message Date
Alexander Whitestone
b73b816032 feat: avatar customization — color, shape, name tag (closes #1542)
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2026-04-15 00:04:41 -04:00
5 changed files with 302 additions and 421 deletions

421
GENOME.md
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@@ -1,421 +0,0 @@
# GENOME.md — The Nexus
*Generated: 2026-04-14 | Codebase Genome Analysis*
## Project Overview
**The Nexus** is Timmy's canonical 3D/home-world repository — a local-first training ground and wizardly visualization surface for the sovereign AI system.
### Core Value Proposition
- **Problem**: AI consciousness needs a spatial, embodied interface for training, visualization, and multi-world navigation
- **Solution**: A Three.js 3D world with WebSocket-connected Python cognition, game world harnesses (Morrowind, Bannerlord), and persistent memory systems
- **Result**: A sovereign digital home where Timmy can perceive, think, act, and remember across multiple virtual environments
### Key Metrics
- **Total Files**: 446 (excluding .git)
- **Lines of Code**: ~53K total (Python: 41,659 | JavaScript: 8,484 | HTML: 3,124)
- **Test Coverage**: 457 passing tests, 5 failing, 2 collection errors
- **Active Components**: 18 frontend modules, 22 Python cognition modules, 4 game harnesses
## Architecture
```mermaid
graph TB
subgraph "Frontend (Browser)"
A[index.html] --> B[app.js]
B --> C[Three.js 3D World]
B --> D[GOFAI Worker]
B --> E[Components]
E --> E1[Spatial Memory]
E --> E2[Spatial Audio]
E --> E3[Memory Systems]
E --> E4[Portal System]
E --> E5[Agent Presence]
end
subgraph "Backend (Python)"
F[server.py] --> G[WebSocket Gateway]
G --> H[nexus_think.py]
H --> I[Perception Adapter]
H --> J[Experience Store]
H --> K[Trajectory Logger]
H --> L[Heartbeat Writer]
subgraph "Game Harnesses"
M[Morrowind Harness]
N[Bannerlord Harness]
O[Gemini Harness]
end
subgraph "Memory Systems"
P[MemPalace]
Q[Mnemosyne]
R[Evennia Bridge]
end
end
subgraph "Data Layer"
S[portals.json]
T[vision.json]
U[world_state.json]
V[provenance.json]
end
B -.->|WebSocket| G
M -.->|Events| G
N -.->|Events| G
O -.->|Events| G
G -.->|Broadcast| B
S --> B
T --> B
U --> H
V --> H
```
## Entry Points
### Primary Entry: Browser Frontend
- **File**: `index.html``app.js`
- **Purpose**: Three.js 3D world with portal navigation, memory visualization, agent presence
- **Key Functions**: `init()`, `animate()`, `loadPortals()`, `setupWebSocket()`
### Secondary Entry: WebSocket Gateway
- **File**: `server.py`
- **Purpose**: Central hub connecting mind (nexus_think), body (harnesses), and visualization
- **Key Functions**: `broadcast_handler()`, `main()`
### Tertiary Entry: Consciousness Loop
- **File**: `nexus/nexus_think.py`
- **Purpose**: Embodied perceive→think→act loop for Timmy's consciousness
- **Key Class**: `NexusMind` with `start()`, `think_once()`, `perceive()`, `act()`
### CLI Entry Points
```bash
# Start WebSocket gateway
python3 server.py
# Start consciousness loop
python3 nexus/nexus_think.py --ws ws://localhost:8765 --model timmy:v0.1-q4
# Run tests
python3 -m pytest tests/ -v
# Build/deploy
./deploy.sh
```
## Data Flow
```
1. Browser loads index.html → app.js
2. app.js initializes Three.js scene, loads portals.json/vision.json
3. WebSocket connects to server.py gateway
4. Gateway receives messages from:
- Browser (user input, navigation)
- nexus_think.py (Timmy's thoughts/actions)
- Game harnesses (Morrowind/Bannerlord events)
5. Gateway broadcasts messages to all connected clients
6. nexus_think.py receives perceptions via PerceptionAdapter
7. NexusMind processes perceptions through Ollama model
8. Generated actions sent back through gateway to browser/harnesses
9. Experience stored in ExperienceStore, trajectories logged
10. Heartbeat written to ~/.nexus/heartbeat.json for watchdog monitoring
```
## Key Abstractions
### 1. NexusMind (`nexus/nexus_think.py`)
- **Purpose**: Embodied consciousness loop - perceive, think, act
- **Interface**: `start()`, `stop()`, `think_once()`, `perceive()`, `act()`
- **Dependencies**: Ollama, websockets, PerceptionBuffer, ExperienceStore
### 2. PerceptionBuffer (`nexus/perception_adapter.py`)
- **Purpose**: Buffer and process incoming WebSocket messages into structured perceptions
- **Interface**: `add()`, `get_recent()`, `to_prompt_context()`
- **Dependencies**: None (pure data structure)
### 3. SpatialMemory (`nexus/components/spatial-memory.js`)
- **Purpose**: 3D memory crystal system - place, connect, visualize memories in space
- **Interface**: `placeMemory()`, `connectMemories()`, `setRegionVisibility()`
- **Dependencies**: Three.js
### 4. Portal System (`portals.json` + app.js)
- **Purpose**: Navigation between virtual worlds (Morrowind, Bannerlord, Evennia)
- **Interface**: Portal registry schema, proximity detection, overlay UI
- **Dependencies**: Three.js, WebSocket gateway
### 5. MemPalace (`mempalace/`)
- **Purpose**: Persistent memory storage with room/wing taxonomy
- **Interface**: Room CRUD, search, tunnel sync, privacy audit
- **Dependencies**: SQLite, filesystem
## API Surface
### WebSocket Protocol (port 8765)
```json
// Perception from browser
{
"type": "perception",
"data": {
"position": {"x": 0, "y": 2, "z": 0},
"nearby_portals": ["morrowind"],
"user_input": "Hello Timmy"
}
}
// Action from nexus_think
{
"type": "action",
"data": {
"move_to": {"x": 10, "y": 0, "z": 5},
"speak": "Greetings, traveler",
"interact_with": "portal:morrowind"
}
}
// Game event from harness
{
"type": "game_event",
"source": "morrowind",
"data": {
"event": "player_death",
"location": "Balmora"
}
}
```
### Python API
```python
# nexus_think.py
from nexus.nexus_think import NexusMind
mind = NexusMind(model="timmy:v0.1-q4")
mind.start()
# perception_adapter.py
from nexus.perception_adapter import ws_to_perception, PerceptionBuffer
buffer = PerceptionBuffer(max_size=50)
perception = ws_to_perception(ws_message)
# experience_store.py
from nexus.experience_store import ExperienceStore
store = ExperienceStore(db_path=Path("experiences.db"))
store.save(perception, action, result)
```
### CLI Commands
```bash
# Start services
python3 server.py
python3 nexus/nexus_think.py --ws ws://localhost:8765
# MemPalace operations
python3 scripts/mempalace_export.py
python3 scripts/validate_mempalace_taxonomy.py
# Health checks
python3 scripts/lazarus_watchdog.py
python3 scripts/flake_detector.py
```
## Test Coverage Gaps
### Current State
- **Unit tests**: ✅ 457 passing
- **Integration tests**: ⚠️ 5 failing
- **E2E tests**: ❌ Browser smoke tests failing
- **Collection errors**: 2 files with import issues
### Missing Tests
1. **WebSocket gateway load testing** - No tests for concurrent connections
2. **Portal system navigation flow** - No E2E tests for portal transitions
3. **Memory persistence across restarts** - No tests for MemPalace recovery
4. **Game harness reconnection** - No tests for harness crash recovery
5. **Multi-agent coordination** - No tests for multiple NexusMind instances
### Failing Tests (Immediate Action Required)
1. `test_browser_smoke.py::TestDOMContract::test_element_exists[spatial-search-div]` - Missing DOM element
2. `test_browser_smoke.py::TestLoadingFlow::test_loading_screen_transitions` - Loading screen behavior changed
3. `test_portal_registry_schema.py::test_portals_json_uses_expanded_registry_schema` - Schema validation failing
4. `test_nexus_watchdog.py::TestRunHealthChecks::test_returns_report_with_all_checks` - Health check report format
5. `test_provenance.py::test_provenance_hashes_match` - Provenance hash mismatch
## Security Considerations
### 1. WebSocket Gateway Exposure
- **Risk**: Gateway listens on 0.0.0.0:8765 - accessible from network
- **Mitigation**: Bind to 127.0.0.1 for local-only, add authentication for remote access
- **Status**: ⚠️ Currently open
### 2. Input Validation
- **Risk**: WebSocket messages not validated - potential injection attacks
- **Mitigation**: Add JSON schema validation for all message types
- **Status**: ❌ No validation
### 3. Model Input Sanitization
- **Risk**: User input passed directly to Ollama model
- **Mitigation**: Sanitize inputs, limit length, filter dangerous patterns
- **Status**: ⚠️ Basic length limits only
### 4. Filesystem Access
- **Risk**: MemPalace and ExperienceStore write to filesystem without sandboxing
- **Mitigation**: Restrict paths, add permission checks
- **Status**: ⚠️ Path validation missing
### 5. Dependency Security
- **Risk**: No dependency scanning or vulnerability checks
- **Mitigation**: Add safety checks, pin versions, regular updates
- **Status**: ❌ No scanning
## Dependencies
### Build Dependencies
- Python 3.12+
- Node.js (for frontend tooling, optional)
- Three.js (bundled in app.js)
### Runtime Dependencies
- **Python**: websockets, requests, sqlite3, asyncio
- **Frontend**: Three.js (r158+), EffectComposer, UnrealBloomPass, SMAAPass
- **AI**: Ollama (local), Groq API (optional)
- **Game Harnesses**: OpenMW (Morrowind), Mount & Blade II (Bannerlord)
### External Services
- Ollama (local LLM inference)
- Groq API (optional cloud inference)
- Gitea (issue tracking, CI)
- Hermes (agent harness)
## Deployment
### Local Development
```bash
# Clone and setup
git clone https://forge.alexanderwhitestone.com/Timmy_Foundation/the-nexus.git
cd the-nexus
pip install -r requirements.txt
# Start WebSocket gateway
python3 server.py
# In another terminal, start consciousness
python3 nexus/nexus_think.py --ws ws://localhost:8765
# Open browser to http://localhost:8765 (serves index.html)
```
### Production Deployment
```bash
# Deploy to VPS
./deploy.sh
# Or with Docker
docker-compose up -d
# Systemd service
sudo cp systemd/nexus-*.service /etc/systemd/system/
sudo systemctl enable nexus-gateway nexus-think
sudo systemctl start nexus-gateway nexus-think
```
### Health Monitoring
```bash
# Check heartbeat
cat ~/.nexus/heartbeat.json
# Run health checks
python3 scripts/lazarus_watchdog.py
# Monitor logs
journalctl -u nexus-gateway -f
```
## Architecture Decisions
### 1. Local-First Design
- All AI inference runs locally via Ollama
- No mandatory cloud dependencies
- Data stays on user's machine
### 2. WebSocket Broadcast Architecture
- Simple hub-and-spoke model
- All clients receive all messages
- Easy to add new components
### 3. Embodied AI Loop
- Perceive→Think→Act cycle
- 30-second think interval
- Context-limited for 8B model
### 4. Plugin Harness System
- Game worlds as separate processes
- Standardized event protocol
- Crash isolation
### 5. Memory as Spatial Experience
- Memories placed in 3D space
- Visual and audio cues
- Persistent across sessions
## Technical Debt
### 1. Frontend Bundle Size
- `app.js` is 140KB unminified
- No tree shaking or code splitting
- Consider ES modules and bundler
### 2. Test Infrastructure
- 2 collection errors blocking full test suite
- Browser smoke tests depend on specific DOM structure
- Need better test isolation
### 3. Configuration Management
- Hardcoded ports and URLs
- No environment-based configuration
- Need config.py with environment overrides
### 4. Error Handling
- WebSocket errors not gracefully handled
- Harness crash recovery missing
- Need circuit breakers and retry logic
### 5. Documentation
- Code comments sparse
- API documentation incomplete
- Need auto-generated docs from docstrings
## Migration Status
### Completed
- ✅ Core WebSocket gateway
- ✅ Three.js 3D world foundation
- ✅ Portal system architecture
- ✅ Memory visualization system
- ✅ Game harness framework
### In Progress
- 🔄 Legacy Matrix audit (#685)
- 🔄 Browser smoke test rebuild (#686)
- 🔄 Docs truth sync (#684)
### Planned
- ⏳ Portal stack rebuild (#672)
- ⏳ Morrowind pilot loop (#673)
- ⏳ Reflex tactical layer (#674)
- ⏳ Context compaction (#675)
## Related Documentation
- `README.md` - Project overview and current truth
- `CLAUDE.md` - AI agent instructions and hard rules
- `CONTRIBUTING.md` - Development workflow and standards
- `POLICY.md` - Branch protection and review policy
- `DEVELOPMENT.md` - Quick start guide
- `BROWSER_CONTRACT.md` - Frontend API contract
- `GAMEPORTAL_PROTOCOL.md` - Portal communication protocol
- `EVENNIA_NEXUS_EVENT_PROTOCOL.md` - Evennia bridge protocol
---
*Generated by Codebase Genome Analysis — 2026-04-14*
*For issues or corrections, see: https://forge.alexanderwhitestone.com/Timmy_Foundation/the-nexus/issues*

9
app.js
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@@ -714,6 +714,11 @@ async function init() {
camera = new THREE.PerspectiveCamera(65, window.innerWidth / window.innerHeight, 0.1, 1000);
camera.position.copy(playerPos);
// Initialize avatar customization
if (window.AvatarCustomization) {
window.AvatarCustomization.init(scene, camera);
}
updateLoad(20);
createSkybox();
@@ -3557,6 +3562,10 @@ function gameLoop() {
if (composer) { composer.render(); } else { renderer.render(scene, camera); }
// Update avatar position
if (window.AvatarCustomization && playerPos) {
window.AvatarCustomization.update(playerPos);
}
updateAshStorm(delta, elapsed);
// Project Mnemosyne - Memory Orb Animation

107
avatar-customization.css Normal file
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@@ -0,0 +1,107 @@
/* Avatar Customization */
.avatar-name-tag {
position: fixed;
transform: translate(-50%, -100%);
background: rgba(0, 0, 0, 0.7);
color: #00ffcc;
font-family: 'JetBrains Mono', 'Fira Code', monospace;
font-size: 12px;
padding: 2px 8px;
border-radius: 4px;
border: 1px solid rgba(0, 255, 204, 0.3);
pointer-events: none;
z-index: 100;
white-space: nowrap;
text-shadow: 0 0 6px rgba(0, 255, 204, 0.5);
}
.avatar-color-picker {
position: fixed;
top: 60px;
right: 16px;
background: rgba(10, 15, 26, 0.95);
border: 1px solid rgba(0, 255, 204, 0.3);
border-radius: 8px;
padding: 12px;
z-index: 1000;
min-width: 200px;
font-family: 'JetBrains Mono', 'Fira Code', monospace;
color: #e0e0e0;
}
.avatar-color-picker.hidden {
display: none;
}
.avatar-picker-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 12px;
font-size: 14px;
color: #00ffcc;
}
.avatar-picker-close {
background: none;
border: none;
color: #666;
font-size: 18px;
cursor: pointer;
}
.avatar-picker-close:hover { color: #ff3333; }
.avatar-picker-name {
margin-bottom: 12px;
}
.avatar-picker-name label {
display: block;
font-size: 10px;
color: #666;
text-transform: uppercase;
margin-bottom: 4px;
}
.avatar-picker-name input {
width: 100%;
background: rgba(255, 255, 255, 0.05);
border: 1px solid rgba(0, 255, 204, 0.2);
border-radius: 4px;
color: #e0e0e0;
padding: 6px 8px;
font-family: inherit;
font-size: 13px;
outline: none;
}
.avatar-picker-name input:focus {
border-color: rgba(0, 255, 204, 0.5);
}
.avatar-picker-colors label {
display: block;
font-size: 10px;
color: #666;
text-transform: uppercase;
margin-bottom: 6px;
}
.avatar-color-grid {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 6px;
}
.avatar-color-swatch {
width: 36px;
height: 36px;
border-radius: 50%;
border: 2px solid transparent;
cursor: pointer;
transition: border-color 0.15s, transform 0.15s;
}
.avatar-color-swatch:hover {
transform: scale(1.15);
}
.avatar-color-swatch.active {
border-color: white;
box-shadow: 0 0 8px currentColor;
}

184
avatar-customization.js Normal file
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@@ -0,0 +1,184 @@
/**
* Avatar Customization Module for The Nexus
*
* Provides:
* - Visible avatar mesh (capsule shape)
* - Color picker with 8 presets
* - Name tag above avatar
* - localStorage persistence
*
* Usage:
* AvatarCustomization.init(scene, camera);
* AvatarCustomization.setColor('#ff6600');
* AvatarCustomization.setName('Timmy');
*/
const AvatarCustomization = (() => {
let avatarMesh = null;
let nameTagDiv = null;
let colorPickerPanel = null;
let currentColor = '#00ffcc';
let currentName = 'Visitor';
let _scene = null;
let _camera = null;
const STORAGE_KEY = 'nexus-avatar-prefs';
const PRESET_COLORS = [
{ name: 'Teal', hex: '#00ffcc' },
{ name: 'Cyan', hex: '#00ccff' },
{ name: 'Purple', hex: '#9966ff' },
{ name: 'Pink', hex: '#ff66aa' },
{ name: 'Orange', hex: '#ff8833' },
{ name: 'Gold', hex: '#ffcc00' },
{ name: 'Red', hex: '#ff3333' },
{ name: 'Green', hex: '#33ff66' },
];
function loadPrefs() {
try {
const raw = localStorage.getItem(STORAGE_KEY);
if (raw) {
const prefs = JSON.parse(raw);
if (prefs.color) currentColor = prefs.color;
if (prefs.name) currentName = prefs.name;
}
} catch (e) { /* ignore */ }
}
function savePrefs() {
try {
localStorage.setItem(STORAGE_KEY, JSON.stringify({
color: currentColor,
name: currentName,
}));
} catch (e) { /* ignore */ }
}
function createAvatarMesh(color) {
const geo = new THREE.CapsuleGeometry(0.3, 0.8, 8, 16);
const mat = new THREE.MeshStandardMaterial({
color: new THREE.Color(color),
emissive: new THREE.Color(color).multiplyScalar(0.3),
metalness: 0.3,
roughness: 0.5,
});
const mesh = new THREE.Mesh(geo, mat);
mesh.position.set(0, 1.2, 0);
mesh.castShadow = true;
return mesh;
}
function updateAvatarColor(hex) {
currentColor = hex;
if (avatarMesh) {
avatarMesh.material.color.set(hex);
avatarMesh.material.emissive.set(new THREE.Color(hex).multiplyScalar(0.3));
}
document.querySelectorAll('.avatar-color-swatch').forEach(el => {
el.classList.toggle('active', el.dataset.color === hex);
});
savePrefs();
}
function createNameTag(name) {
const div = document.createElement('div');
div.className = 'avatar-name-tag';
div.textContent = name;
document.body.appendChild(div);
return div;
}
function updateNameTagPosition() {
if (!nameTagDiv || !_camera) return;
const pos = new THREE.Vector3(0, 2.4, 0);
if (avatarMesh && avatarMesh.parent) {
pos.add(avatarMesh.parent.position);
}
pos.project(_camera);
const x = (pos.x * 0.5 + 0.5) * window.innerWidth;
const y = (-pos.y * 0.5 + 0.5) * window.innerHeight;
nameTagDiv.style.left = x + 'px';
nameTagDiv.style.top = y + 'px';
nameTagDiv.style.display = pos.z < 1 ? 'block' : 'none';
}
function updateNameTagText(name) {
currentName = name;
if (nameTagDiv) nameTagDiv.textContent = name;
savePrefs();
}
function createColorPicker() {
const panel = document.createElement('div');
panel.id = 'avatar-color-picker';
panel.className = 'avatar-color-picker hidden';
panel.innerHTML = '<div class="avatar-picker-header">' +
'<span>Avatar</span>' +
'<button class="avatar-picker-close">&times;</button></div>' +
'<div class="avatar-picker-name"><label>Name</label>' +
'<input type="text" id="avatar-name-input" maxlength="20" placeholder="Your name" /></div>' +
'<div class="avatar-picker-colors"><label>Color</label>' +
'<div class="avatar-color-grid">' +
PRESET_COLORS.map(c => '<button class="avatar-color-swatch ' +
(c.hex === currentColor ? 'active' : '') +
'" data-color="' + c.hex + '" style="background:' + c.hex +
'" title="' + c.name + '"></button>').join('') +
'</div></div>';
document.body.appendChild(panel);
panel.querySelector('.avatar-picker-close').addEventListener('click', () => {
panel.classList.add('hidden');
});
panel.querySelectorAll('.avatar-color-swatch').forEach(el => {
el.addEventListener('click', () => updateAvatarColor(el.dataset.color));
});
const nameInput = panel.querySelector('#avatar-name-input');
nameInput.value = currentName;
nameInput.addEventListener('input', (e) => {
updateNameTagText(e.target.value || 'Visitor');
});
return panel;
}
function toggleColorPicker() {
if (!colorPickerPanel) return;
colorPickerPanel.classList.toggle('hidden');
const nameInput = colorPickerPanel.querySelector('#avatar-name-input');
if (nameInput && !colorPickerPanel.classList.contains('hidden')) {
nameInput.value = currentName;
nameInput.focus();
}
}
function update(playerPos) {
if (!avatarMesh) return;
avatarMesh.position.set(playerPos.x, playerPos.y - 0.8, playerPos.z);
updateNameTagPosition();
}
function init(sceneRef, cameraRef) {
_scene = sceneRef;
_camera = cameraRef;
loadPrefs();
avatarMesh = createAvatarMesh(currentColor);
_scene.add(avatarMesh);
nameTagDiv = createNameTag(currentName);
colorPickerPanel = createColorPicker();
const hudRight = document.querySelector('.hud-top-right');
if (hudRight) {
const btn = document.createElement('button');
btn.id = 'avatar-customize-btn';
btn.className = 'hud-icon-btn';
btn.title = 'Customize Avatar';
btn.innerHTML = '<span class="hud-icon">🎨</span>';
btn.addEventListener('click', toggleColorPicker);
hudRight.insertBefore(btn, hudRight.firstChild);
}
console.log('[AvatarCustomization] Initialized —', currentColor, currentName);
}
return { init, update, setColor: updateAvatarColor, setName: updateNameTagText, toggleColorPicker };
})();
window.AvatarCustomization = AvatarCustomization;

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@@ -23,6 +23,7 @@
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700&family=Orbitron:wght@400;500;600;700;800;900&display=swap" rel="stylesheet">
<link rel="stylesheet" href="./style.css">
<link rel="stylesheet" href="./avatar-customization.css">
<link rel="manifest" href="./manifest.json">
<script type="importmap">
{
@@ -395,6 +396,7 @@
<div id="memory-connections-panel" class="memory-connections-panel" style="display:none;" aria-label="Memory Connections Panel"></div>
<script src="./boot.js"></script>
<script src="./avatar-customization.js"></script>
<script>
function openMemoryFilter() { renderFilterList(); document.getElementById('memory-filter').style.display = 'flex'; }
function closeMemoryFilter() { document.getElementById('memory-filter').style.display = 'none'; }