feat(settings): wire frontend to Coolify SoT response shape

- McpEnvVar: infisical_value → coolify_value + has_duplicates
- McpEnvResponse: drop Infisical metadata fields
- EnvVarRow: 'Coolify:' label, 'ערוך ב-Coolify' external link
- DriftBadge: infisicalAvailable → coolifyAvailable
- EnvironmentTab: Coolify app badge, duplicates count

web-ui/src/app/settings/_components/drift-badge.tsx

@@ -5,17 +5,17 @@ import { Badge } from "@/components/ui/badge";
 
 type Props = {
   drift: boolean;
-  // When false, Infisical was unreachable: drift state is unknown, not "synced".
-  infisicalAvailable?: boolean;
+  // When false, Coolify was unreachable: drift state is unknown, not "synced".
+  coolifyAvailable?: boolean;
 };
 
-export function DriftBadge({ drift, infisicalAvailable = true }: Props) {
-  if (!infisicalAvailable) {
+export function DriftBadge({ drift, coolifyAvailable = true }: Props) {
+  if (!coolifyAvailable) {
     return (
       <Badge
         variant="outline"
         className="text-ink-muted border-rule gap-1"
-        title="Infisical לא זמין — מצב ה-drift לא ידוע"
+        title="Coolify לא זמין — מצב ה-drift לא ידוע"
       >
         <HelpCircle className="w-3 h-3" />
         Unknown