feat: add live intelligence dashboard with SSE streaming
Starlette app serving a real-time dashboard at http://127.0.0.1:8501.
17 intelligence domains updated every 30s via Server-Sent Events:
markets, crypto, sectors, macro, cyber, military, earthquakes,
wildfires, climate, news, predictions, energy, aviation, infra,
cables, nav warnings, trending keywords.
- DOMPurify for XSS-safe DOM updates
- Exponential backoff SSE reconnection
- Responsive dark-theme grid layout with Chart.js
- CLI: `intel dashboard [--port 8501]`
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
