feat: add quiet reading with rare confirmations

Part of the quiet-user-feedback change; docs and specs land in their own repositories.

src/features/instrument-details/model/section.ts

@@ -3,43 +3,27 @@ import type { InvestmentResourceMeta } from "@/shared/api";
 type SectionState = {
 	error: boolean;
 	hasData: boolean;
-	lastSuccessfulAt?: null | string;
 	loading: boolean;
 	partial?: boolean;
-	refreshing: boolean;
-	retry: () => void;
-	sourceError?: boolean;
-	stale?: boolean;
 };
 
-function section(
-	query: {
-		data: unknown;
-		isError: boolean;
-		isFetching: boolean;
-		meta?: InvestmentResourceMeta;
-		refetch: () => unknown;
-	},
-	retry?: () => unknown,
-): SectionState {
+function hasSectionData(data: unknown) {
+	return data !== undefined;
+}
+
+function section(query: {
+	data: unknown;
+	isError: boolean;
+	meta?: InvestmentResourceMeta;
+}): SectionState {
 	const isError = query.isError || query.meta?.sync.state === "failed";
+	const hasData = hasSectionData(query.data);
 
 	return {
 		error: isError,
-		hasData: Boolean(query.data),
-		lastSuccessfulAt: query.meta?.lastSuccessfulAt,
-		loading: !query.data && !isError,
+		hasData,
+		loading: !hasData && !isError,
 		partial: query.meta?.availability === "partial",
-		refreshing:
-			Boolean(query.data)
-			&& (query.isFetching
-				|| query.meta?.sync.state === "running"
-			),
-		retry: () => {
-			void (retry ?? query.refetch)();
-		},
-		sourceError: query.meta?.sync.state === "failed",
-		stale: query.meta?.freshness === "stale",
 	};
 }