fix(web): pending-approvals-card 加防重複點擊 + loading 狀態

linter 自動強化: actioningId state 防止同一張卡重複操作
- disabled + opacity 0.6 + cursor not-allowed
- loading 時按鈕顯示 '...'
- finally() 確保 actioningId 清除

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/web/src/components/panels/CompliancePanel.tsx

@@ -41,6 +41,7 @@ export function CompliancePanel() {
         if (s) setSummary(s)
         if (r) setRepairStats(r)
       })
+      .catch(() => setError('load_failed'))
       .finally(() => setLoading(false))
   }, [])
 

apps/web/src/components/panels/SecurityPanel.tsx

@@ -48,6 +48,7 @@ export function SecurityPanel() {
         if (statsData) setStats(statsData)
         setIssues(listData?.issues ?? [])
       })
+      .catch(() => setError('load_failed'))
       .finally(() => setLoading(false))
   }, [])
 
@@ -71,7 +72,7 @@ export function SecurityPanel() {
               {[
                 { label: t('totalIssues'), value: stats.total_issues, color: '#141413' },
                 { label: t('criticalIssues'), value: stats.critical_count, color: stats.critical_count > 0 ? '#cc2200' : '#22C55E' },
-                { label: 'Unresolved', value: stats.unresolved_issues, color: stats.unresolved_issues > 0 ? '#F59E0B' : '#22C55E' },
+                { label: t('unresolvedIssues'), value: stats.unresolved_issues, color: stats.unresolved_issues > 0 ? '#F59E0B' : '#22C55E' },
                 { label: t('errorRate'), value: stats.error_count_24h != null ? `${stats.error_count_24h}/24h` : '—', color: '#141413' },
               ].map(card => (
                 <div key={card.label} style={cardStyle}>