feat: comprehensive Polaris integration enhancements

Major new features:
- App bar score badge showing cluster Polaris score
- Inline audit results in Deployment/StatefulSet/DaemonSet/Job/CronJob detail views
- Exemption management UI with annotation PATCH support
- Top issues table on overview dashboard
- Audit time display and manual refresh button
- Connection test button in settings
- Check ID to human-readable name mapping
- Enhanced error messages with context

Technical improvements:
- Added triggerRefresh to PolarisDataContext for manual refresh
- Created checkMapping.ts for check metadata
- Created topIssues.ts for extracting common failures
- Enhanced DashboardView with top issues and refresh
- Enhanced PolarisSettings with connection test
- Created InlineAuditSection for details view integration
- Created AppBarScoreBadge for app bar integration
- Created ExemptionManager for annotation patches

UI enhancements:
- 1000px namespace detail panel
- Theme-aware styling throughout
- Improved formatting and layout
- Better status indicators

Generated with [Claude Code](https://claude.ai/code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

src/api/topIssues.ts

@@ -0,0 +1,81 @@
+import { AuditData } from './polaris';
+import { getCheckName, getCheckCategory } from './checkMapping';
+
+export interface TopIssue {
+  checkId: string;
+  checkName: string;
+  category: 'Security' | 'Efficiency' | 'Reliability';
+  severity: 'danger' | 'warning';
+  count: number;
+}
+
+/**
+ * Extract the most common failing checks across the cluster
+ * Returns top 10 issues sorted by severity then count
+ */
+export function getTopIssues(data: AuditData): TopIssue[] {
+  const issueCounts = new Map<string, { severity: 'danger' | 'warning'; count: number }>();
+
+  // Aggregate all failing checks
+  for (const result of data.Results) {
+    // Pod-level checks
+    if (result.PodResult?.Results) {
+      for (const [checkId, checkResult] of Object.entries(result.PodResult.Results)) {
+        if (!checkResult.Success && checkResult.Severity !== 'ignore') {
+          const existing = issueCounts.get(checkId);
+          issueCounts.set(checkId, {
+            severity: checkResult.Severity as 'danger' | 'warning',
+            count: (existing?.count || 0) + 1,
+          });
+        }
+      }
+    }
+
+    // Container-level checks
+    if (result.PodResult?.ContainerResults) {
+      for (const container of result.PodResult.ContainerResults) {
+        for (const [checkId, checkResult] of Object.entries(container.Results)) {
+          if (!checkResult.Success && checkResult.Severity !== 'ignore') {
+            const existing = issueCounts.get(checkId);
+            issueCounts.set(checkId, {
+              severity: checkResult.Severity as 'danger' | 'warning',
+              count: (existing?.count || 0) + 1,
+            });
+          }
+        }
+      }
+    }
+
+    // Controller-level checks (if any)
+    if (result.Results) {
+      for (const [checkId, checkResult] of Object.entries(result.Results)) {
+        if (!checkResult.Success && checkResult.Severity !== 'ignore') {
+          const existing = issueCounts.get(checkId);
+          issueCounts.set(checkId, {
+            severity: checkResult.Severity as 'danger' | 'warning',
+            count: (existing?.count || 0) + 1,
+          });
+        }
+      }
+    }
+  }
+
+  // Convert to array and format
+  const issues: TopIssue[] = Array.from(issueCounts.entries()).map(([checkId, data]) => ({
+    checkId,
+    checkName: getCheckName(checkId),
+    category: getCheckCategory(checkId),
+    severity: data.severity,
+    count: data.count,
+  }));
+
+  // Sort by severity (danger first) then by count (descending)
+  issues.sort((a, b) => {
+    if (a.severity === 'danger' && b.severity !== 'danger') return -1;
+    if (a.severity !== 'danger' && b.severity === 'danger') return 1;
+    return b.count - a.count;
+  });
+
+  // Return top 10
+  return issues.slice(0, 10);
+}