fix(governance): 修正 owner fixture gate grid

apps/web/src/app/[locale]/governance/tabs/automation-inventory-tab.tsx

@@ -2203,7 +2203,7 @@ export function AutomationInventoryTab() {
                 </div>
               </div>
 
-              <div style={{ display: 'grid', gridTemplateColumns: 'repeat(2, minmax(0, 1fr))', gap: 10 }} className="automation-inventory-live-read-card-grid">
+              <div style={{ display: 'grid', gridTemplateColumns: 'repeat(auto-fit, minmax(260px, 1fr))', gap: 10 }} className="automation-inventory-live-read-card-grid">
                 {visibleOwnerDryRunGates.map(gate => (
                   <div key={gate.gate_id} style={{ padding: 10, border: '0.5px solid #eee9dd', borderRadius: 7, background: '#faf9f3', display: 'flex', flexDirection: 'column', gap: 7, minWidth: 0 }}>
                     <div style={{ display: 'flex', justifyContent: 'space-between', gap: 8, alignItems: 'center', minWidth: 0 }}>