feat(ui): simplify fleet cards by moving edit/delete into detail

Hide instance IDs and config/delete controls on overview cards; keep
service/system restart only, with edit still available from detail.

apps/web/src/styles.css

@@ -412,15 +412,10 @@ small {
   gap: 0.75rem;
 }
 .fleet-card h2 {
-  margin: 0 0 0.2rem;
+  margin: 0;
   font-size: 1.18rem;
   letter-spacing: -0.02em;
 }
-.fleet-card code {
-  color: var(--muted);
-  overflow-wrap: anywhere;
-  font-size: 0.82rem;
-}
 .fleet-card-metrics {
   margin: 1rem 0;
   display: grid;
@@ -950,10 +945,6 @@ tbody th small {
   text-decoration: underline;
   text-underline-offset: 0.2em;
 }
-.fleet-card-entry code {
-  display: block;
-  overflow-wrap: anywhere;
-}
 .fleet-card-admin-actions {
   position: relative;
   z-index: 1;