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archive/inactive-skills/task-monitor/SKILL.md

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+---
+name: task-monitor
+description: Real-time web dashboard for OpenClaw sessions and background tasks. Mobile-responsive with auto-refresh.
+version: 0.1.0
+---
+
+# Task Monitor v0.1
+
+Real-time monitoring dashboard for OpenClaw with web interface.
+
+## Features
+
+- 🌐 **Web Dashboard** - Beautiful, responsive UI accessible from any device
+- 📱 **Mobile-First** - Optimized for phones and tablets
+- 🔄 **Auto-Refresh** - Updates every 60 seconds
+- 🎨 **Modern Design** - Gradient UI with dark theme
+- 📊 **Live Data** - Main session, Discord, sub-agents, cron jobs
+- 🚀 **Fast API** - JSON endpoint with intelligent caching (30s TTL)
+- ⚡ **Performance** - <100ms response time (cached), ~15s cold cache
+
+## Installation
+
+```bash
+cd skills/task-monitor
+npm install
+```
+
+## Usage
+
+### Start Web Server
+
+```bash
+./scripts/start-server.sh
+```
+
+Server will run on port **3030** (accessible on LAN).
+
+**Access URLs:**
+- Local: `http://localhost:3030`
+- LAN: `http://<your-ip>:3030`
+
+### Stop Server
+
+```bash
+./scripts/stop-server.sh
+```
+
+### API Endpoint
+
+```bash
+curl http://localhost:3030/api/status
+```
+
+Returns JSON with:
+- Main session stats
+- Discord session stats
+- Active sub-agents (with descriptions)
+- Recent cron job history
+
+### Generate Markdown (v0.1)
+
+Legacy markdown generator still available:
+
+```bash
+./scripts/generate-dashboard.js
+```
+
+Updates `DASHBOARD.md` in workspace root.
+
+## Automation
+
+CRON job runs every 5 minutes to update markdown dashboard:
+`*/5 * * * *` -> Executes `generate-dashboard.js`
+
+## Architecture
+
+- **Backend:** Node.js + Express
+- **Frontend:** Pure HTML/CSS/JS (no frameworks)
+- **Data Source:** `openclaw sessions list --json` + `openclaw cron list --json`
+- **Caching:** In-memory cache with 30-second TTL
+  - Pre-warmed on server startup
+  - Async background refresh when expired
+  - Stale-while-revalidate pattern for optimal UX
+- **Refresh:** Client-side polling (60s interval)
+
+## Performance
+
+**Without cache:**
+- API response time: ~15 seconds (blocking)
+- Problem: Each request blocks Node.js event loop
+
+**With cache:**
+- Cache hit: <100ms (~365x faster)
+- Cache miss: ~15s (first request only)
+- Stale cache: <100ms while refreshing in background
+- Cache TTL: 30 seconds
+
+The caching system ensures:
+- Lightning-fast responses for most requests
+- No blocking of concurrent requests
+- Graceful degradation when cache expires