cs-prices: price history backfill (Steam daily median since 2013 from the public listing page, CSFloat daily averages, ECB FX history) in separate *-history streams; labelled on item charts

drizzle/20261026091249_cs_history/migration.sql

@@ -0,0 +1,11 @@
+CREATE TABLE "cs"."history_fetches" (
+	"item_id" integer,
+	"source" text,
+	"fetched_at" timestamp with time zone DEFAULT now() NOT NULL,
+	"points" integer DEFAULT 0 NOT NULL,
+	"first_day" date,
+	"error" text,
+	CONSTRAINT "history_fetches_pkey" PRIMARY KEY("item_id","source")
+);
+--> statement-breakpoint
+ALTER TABLE "cs"."history_fetches" ADD CONSTRAINT "history_fetches_item_id_items_id_fkey" FOREIGN KEY ("item_id") REFERENCES "cs"."items"("id") ON DELETE CASCADE;