Update summary query mock to match combined vertical IS NULL OR NTS_AEO query

The /summary endpoint now uses a single query instead of two-step fallback.
Update the test mock to match the new SQL pattern while keeping legacy
patterns as fallback for compatibility.

backend/__tests__/compliance-duplicate-chart-entries.property.test.js

@@ -420,6 +420,24 @@ function installReadEndpointHandler(uploads, items) {
         },
 
         // ----- /summary primary upload selection -----
+        // Fixed: WHERE vertical IS NULL OR vertical = 'NTS_AEO' ORDER BY id DESC LIMIT 1
+        {
+            match: /WHERE\s+vertical\s+IS\s+NULL\s+OR\s+vertical\s*=\s*'NTS_AEO'\s+ORDER\s+BY\s+id\s+DESC\s+LIMIT\s+1/i,
+            rows: () => {
+                const candidates = uploads
+                    .filter(u => (u.vertical == null || u.vertical === 'NTS_AEO') && u.summary_json)
+                    .sort((a, b) => b.id - a.id);
+                if (candidates.length === 0) return [];
+                const u = candidates[0];
+                return [{
+                    id: u.id,
+                    summary_json: u.summary_json,
+                    report_date: u.report_date,
+                    uploaded_at: u.uploaded_at,
+                }];
+            },
+        },
+        // Legacy mock (kept for backward-compat if query reverts):
         // Unfixed: WHERE vertical IS NULL ORDER BY id DESC LIMIT 1
         {
             match: /WHERE\s+vertical\s+IS\s+NULL\s+ORDER\s+BY\s+id\s+DESC\s+LIMIT\s+1/i,