fix: TypeScript errors blocking production build

- Replace process.env.NODE_ENV with import.meta.env.DEV (Vite compatible)
- Fix undefined not assignable to boolean|null with nullish coalescing

frontend/src/components/ErrorBoundary.tsx

@@ -62,7 +62,7 @@ export default class ErrorBoundary extends Component<Props, State> {
                 return to the dashboard.
               </p>
 
-              {process.env.NODE_ENV === "development" && this.state.error && (
+              {import.meta.env.DEV && this.state.error && (
                 <details className="mt-4 w-full text-left">
                   <summary className="cursor-pointer text-sm text-gray-500 hover:text-gray-300">
                     Error details

frontend/src/components/test-detail/DetectionRuleChecklist.tsx

@@ -294,7 +294,7 @@ export default function DetectionRuleChecklist({ testId, user, canEdit }: Props)
                           className="flex-1 rounded border border-gray-700 bg-gray-900 px-2 py-1.5 text-xs text-gray-200 placeholder-gray-500 focus:border-indigo-500 focus:outline-none"
                         />
                         <button
-                          onClick={() => handleNotesSave(rule.id, rule.triggered)}
+                          onClick={() => handleNotesSave(rule.id, rule.triggered ?? null)}
                           disabled={evaluateMutation.isPending}
                           className="shrink-0 rounded bg-indigo-600 px-2 py-1.5 text-xs font-medium text-white hover:bg-indigo-500 disabled:opacity-50"
                         >

scripts/install.sh

@@ -69,6 +69,13 @@ else
 fi
 print_ok "Docker Compose found ($COMPOSE_CMD)"
 
+# Auto-detect Docker API version to avoid client/server mismatch
+DOCKER_SERVER_API=$(docker version --format '{{.Server.APIVersion}}' 2>/dev/null || echo "")
+if [ -n "$DOCKER_SERVER_API" ]; then
+    export DOCKER_API_VERSION="$DOCKER_SERVER_API"
+    print_info "Docker API version: $DOCKER_SERVER_API"
+fi
+
 # ── 2. Setup .env file ──────────────────────────────────────────────
 
 print_header "Environment configuration"