移除自选和回测功能

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

serve/frontend/src/lib/queryKeys.ts

@@ -16,11 +16,7 @@ export const QK = {
   overviewMarket: (asOf?: string) => ['overview-market', asOf ?? 'latest'] as const,
   indexList:      ['index-list'] as const,
 
-  // Watchlist
-  watchlist:            ['watchlist'] as const,
-  watchlistQuotes:      ['watchlist-quotes'] as const,
-  watchlistEnriched:    (ext?: string) => ['watchlist-enriched', ext] as const,
-  watchlistKlineBatch:  (symbols: string) => ['watchlist-kline-batch', symbols] as const,
+  // Search
   instrumentSearch:     (q: string) => ['instrument-search', q] as const,
 
   // Screener
@@ -31,9 +27,6 @@ export const QK = {
   marketSnapshot:       ['market-snapshot'] as const,
   limitLadder:          (asOf?: string) => ['limit-ladder', asOf] as const,
 
-  // Backtest
-  backtestStatus:       ['backtest-status'] as const,
-
   // Data / Pipeline
   dataStatus:           ['data-status'] as const,
   pipelineJobs:         ['pipeline-jobs'] as const,