On restart, /tmp/.X1-lock remains from previous run causing Xvfb to fail
with 'Server is already active for display 1', which then breaks xfreerdp
and x11vnc. Clean up lock and socket before starting Xvfb.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- dashboard.html: overlay div moved before <script> so getElementById works;
double rAF ensures browser paints spinner before navigation
- main.py: pooled_rdp route fix — session_status now returns /svc/<slug>/
route and redirect_url for POOL: RDP sessions (was always ready instantly)
- docker-compose.yml: parametrise env vars via .env for easier tuning
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>