Add search and RAG workspace flows

lib/query/keys.ts

@@ -12,6 +12,7 @@ export const queryKeys = {
     limit: number
   ) => ['financials-v3', ticker, surfaceKind, cadence, includeDimensions ? 'dims' : 'no-dims', includeFacts ? 'facts' : 'rows', factsCursor ?? '', factsLimit, cursor ?? '', limit] as const,
   filings: (ticker: string | null, limit: number) => ['filings', ticker ?? '', limit] as const,
+  search: (query: string, ticker: string | null, sources: string[], limit: number) => ['search', query, ticker ?? '', sources.join(','), limit] as const,
   report: (accessionNumber: string) => ['report', accessionNumber] as const,
   watchlist: () => ['watchlist'] as const,
   researchJournal: (ticker: string) => ['research', 'journal', ticker] as const,