feat(dashboard): add performance and operations slices

apps/dashboard/src/features/performance/performance-queries.ts

@@ -0,0 +1,37 @@
+import { useQuery } from '@tanstack/react-query';
+import { performanceApi } from './performance-api.js';
+
+export const performanceQueryKeys = {
+  subreddits: ['performance', 'subreddits'] as const,
+  strategies: ['performance', 'strategies'] as const,
+  trend: (days: number) => ['performance', 'trend', days] as const,
+  successfulExamples: ['performance', 'successful-examples'] as const,
+};
+
+export function useSubredditPerformanceQuery() {
+  return useQuery({
+    queryKey: performanceQueryKeys.subreddits,
+    queryFn: performanceApi.getSubredditPerformance,
+  });
+}
+
+export function useStrategyPerformanceQuery() {
+  return useQuery({
+    queryKey: performanceQueryKeys.strategies,
+    queryFn: performanceApi.getStrategyPerformance,
+  });
+}
+
+export function useDailyTrendQuery(days: number) {
+  return useQuery({
+    queryKey: performanceQueryKeys.trend(days),
+    queryFn: () => performanceApi.getDailyTrend(days),
+  });
+}
+
+export function useSuccessfulExamplesQuery() {
+  return useQuery({
+    queryKey: performanceQueryKeys.successfulExamples,
+    queryFn: performanceApi.getSuccessfulExamples,
+  });
+}