fix(studio): fix Targets tab Evals column showing empty values

TargetSummary type used `passed`/`total` fields but the API returns
`passed_count`/`eval_count`. Aligned the type and component.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: christso

apps/studio/src/components/TargetsTab.tsx

@@ -57,9 +57,9 @@ export function TargetsTab() {
                 <ScoreBar score={target.pass_rate} />
               </td>
               <td className="px-4 py-3 text-right tabular-nums text-gray-400">
-                <span className="text-emerald-400">{target.passed}</span>
+                <span className="text-emerald-400">{target.passed_count}</span>
                 <span className="text-gray-600">/</span>
-                <span>{target.total}</span>
+                <span>{target.eval_count}</span>
               </td>
             </tr>
           ))}

apps/studio/src/lib/types.ts

@@ -127,8 +127,8 @@ export interface TargetSummary {
   run_count: number;
   experiment_count: number;
   pass_rate: number;
-  passed: number;
-  total: number;
+  passed_count: number;
+  eval_count: number;
 }
 
 export interface TargetsResponse {