Add test runner dashboard service (test.rose-ash.com)

Public Quart microservice that runs pytest against shared/tests/ and
shared/sexp/tests/, serving an HTMX-powered sexp-rendered dashboard
with pass/fail/running status, auto-refresh polling, and re-run button.
No database — results stored in memory.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

deploy.sh

@@ -2,7 +2,7 @@
 set -euo pipefail
 
 REGISTRY="registry.rose-ash.com:5000"
-APPS="blog market cart events federation account relations likes orders"
+APPS="blog market cart events federation account relations likes orders test"
 
 usage() {
   echo "Usage: deploy.sh [app ...]"