feat(analytics): add GET /analytics/market-history endpoint

Time-series endpoint returning monthly/weekly market data points
for the analytics page. Queries MarketIndex aggregated by period
with 6-hour Redis cache. Includes unit tests.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/api/src/modules/analytics/analytics.module.ts

@@ -13,6 +13,7 @@ import { GetDistrictStatsHandler } from './application/queries/get-district-stat
 import { GetHeatmapHandler } from './application/queries/get-heatmap/get-heatmap.handler';
 import { GetListingAiAdviceHandler } from './application/queries/get-listing-ai-advice/get-listing-ai-advice.handler';
 import { GetMarketReportHandler } from './application/queries/get-market-report/get-market-report.handler';
+import { GetMarketHistoryHandler } from './application/queries/get-market-history/get-market-history.handler';
 import { GetMarketSnapshotHandler } from './application/queries/get-market-snapshot/get-market-snapshot.handler';
 import { GetPriceMoversHandler } from './application/queries/get-price-movers/get-price-movers.handler';
 import { GetProjectAiAdviceHandler } from './application/queries/get-project-ai-advice/get-project-ai-advice.handler';
@@ -49,6 +50,7 @@ const CommandHandlers = [
 
 const QueryHandlers = [
   GetMarketReportHandler,
+  GetMarketHistoryHandler,
   GetHeatmapHandler,
   GetPriceTrendHandler,
   GetDistrictStatsHandler,