Add official source edition probes

frontend/src/styles/premium.css

@@ -836,13 +836,20 @@ details.ai-lab-model-surface > summary strong {
   padding: 1rem 1.2rem;
 }
 
-.source-freshness-header .secondary-action {
+.source-freshness-header .secondary-action,
+.source-freshness-header .primary-action {
   flex: 0 0 auto;
   width: auto;
   min-width: 10rem;
   margin-top: 0;
 }
 
+.source-freshness-actions {
+  display: flex;
+  flex: 0 0 auto;
+  gap: 0.55rem;
+}
+
 .source-freshness-header h2 {
   margin: 0;
   font-size: 1.05rem;
@@ -959,6 +966,81 @@ details.ai-lab-model-surface > summary strong {
   border-top: 1px solid var(--line);
 }
 
+.source-catalog-section {
+  border-top: 1px solid var(--line);
+  background: #fbfcfd;
+}
+
+.source-catalog-heading {
+  display: flex;
+  gap: 1rem;
+  align-items: center;
+  justify-content: space-between;
+  padding: 0.8rem 1rem;
+}
+
+.source-catalog-heading > div {
+  display: grid;
+  gap: 0.12rem;
+}
+
+.source-catalog-heading strong {
+  color: #23313b;
+  font-size: 0.84rem;
+}
+
+.source-catalog-heading span,
+.source-catalog-empty {
+  color: var(--muted);
+  font-size: 0.75rem;
+}
+
+.source-catalog-heading > span {
+  flex: 0 0 auto;
+  font-weight: 700;
+}
+
+.source-catalog-empty {
+  margin: 0;
+  padding: 0 1rem 0.85rem;
+}
+
+.source-catalog-list {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  border-top: 1px solid var(--line);
+}
+
+.source-catalog-row {
+  min-width: 0;
+  padding: 0.8rem 1rem;
+  border-right: 1px solid var(--line);
+  box-shadow: inset 0 3px 0 #8a98a3;
+}
+
+.source-catalog-row:last-child {
+  border-right: 0;
+}
+
+.source-catalog-row-available {
+  box-shadow: inset 0 3px 0 #2d9272;
+}
+
+.source-catalog-row-degraded {
+  box-shadow: inset 0 3px 0 #ca7a18;
+}
+
+.source-catalog-row-unavailable,
+.source-catalog-row-disabled {
+  box-shadow: inset 0 3px 0 #b84e4e;
+}
+
+.source-catalog-row p {
+  margin: 0.45rem 0;
+  color: var(--muted);
+  font-size: 0.75rem;
+}
+
 .source-freshness-details > summary {
   display: flex;
   cursor: pointer;
@@ -982,10 +1064,15 @@ details.ai-lab-model-surface > summary strong {
     flex-direction: column;
   }
 
-  .source-freshness-header .secondary-action {
+  .source-freshness-header .secondary-action,
+  .source-freshness-header .primary-action {
     width: 100%;
   }
 
+  .source-freshness-actions {
+    flex-direction: column;
+  }
+
   .source-freshness-summary {
     grid-template-columns: repeat(2, minmax(0, 1fr));
   }
@@ -997,6 +1084,19 @@ details.ai-lab-model-surface > summary strong {
   .source-freshness-summary span:nth-child(-n + 2) {
     border-bottom: 1px solid var(--line);
   }
+
+  .source-catalog-list {
+    grid-template-columns: 1fr;
+  }
+
+  .source-catalog-row {
+    border-right: 0;
+    border-bottom: 1px solid var(--line);
+  }
+
+  .source-catalog-row:last-child {
+    border-bottom: 0;
+  }
 }
 
 .workflow-guidance-panel {