fix: D3FEND expandable cards, System page cleanup, and multi-source improvements

- Make D3FEND defense cards clickable with expandable details and external link
- Fix D3FEND URLs to use PascalCase technique names matching the ontology
- Remove duplicate Import Atomic Red Team from System page (use Data Sources)
- Add bulk Activate All / Deactivate All buttons with confirmation modal
- Fix template admin list to show both active and inactive templates
- Add PATCH /test-templates/bulk-activate backend endpoint
- Auto-seed data sources on container startup via entrypoint.sh
- Fix SigmaHQ, CALDERA, GTFOBins import issues
- Register D3FEND sync handler in data sources router
- Add CIS Controls v8 compliance framework import
- Expand Test Catalog source filters (CALDERA, LOLBAS, GTFOBins)
- Campaign Generate from Threat Actor now opens actor selector modal
- Add coverage snapshot creation button to Comparison page
- Update README with accurate data source and feature documentation

frontend/src/pages/TestCatalogPage.tsx

@@ -22,6 +22,9 @@ const PAGE_SIZE = 12;
 const SOURCE_OPTIONS = [
   { value: "", label: "All Sources" },
   { value: "atomic_red_team", label: "Atomic Red Team" },
+  { value: "caldera", label: "MITRE CALDERA" },
+  { value: "lolbas", label: "LOLBAS (Windows)" },
+  { value: "gtfobins", label: "GTFOBins (Linux)" },
   { value: "custom", label: "Custom" },
 ];
 
@@ -45,9 +48,20 @@ const PLATFORM_OPTIONS = [
 
 const SOURCE_BADGE: Record<string, string> = {
   atomic_red_team: "bg-red-900/50 text-red-400 border-red-500/30",
+  caldera: "bg-purple-900/50 text-purple-400 border-purple-500/30",
+  lolbas: "bg-amber-900/50 text-amber-400 border-amber-500/30",
+  gtfobins: "bg-green-900/50 text-green-400 border-green-500/30",
   custom: "bg-cyan-900/50 text-cyan-400 border-cyan-500/30",
 };
 
+const SOURCE_LABEL: Record<string, string> = {
+  atomic_red_team: "Atomic",
+  caldera: "CALDERA",
+  lolbas: "LOLBAS",
+  gtfobins: "GTFOBins",
+  custom: "Custom",
+};
+
 const SEVERITY_BADGE: Record<string, string> = {
   low: "bg-blue-900/50 text-blue-400 border-blue-500/30",
   medium: "bg-yellow-900/50 text-yellow-400 border-yellow-500/30",
@@ -302,7 +316,7 @@ function TemplateCard({
             SOURCE_BADGE[template.source] || "bg-gray-800/50 text-gray-400 border-gray-600/30"
           }`}
         >
-          {template.source === "atomic_red_team" ? "Atomic" : template.source}
+          {SOURCE_LABEL[template.source] || template.source}
         </span>
 
         {/* Platform */}