refactor: enforce frontend view model boundaries

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

@@ -9,6 +9,7 @@ describe("instrument source and transport presentation", () => {
 		"keeps %s separate from successful transport",
 		(availability) => {
 			const data = availability === "missing" ? undefined : { rows: [] };
+
 			const state = section({
 				data,
 				isError: false,
@@ -16,6 +17,7 @@ describe("instrument source and transport presentation", () => {
 				meta: resource(data, { availability }).meta,
 				refetch: vi.fn(),
 			});
+
 			expect(state.loading).toBe(availability === "missing");
 			expect(state.partial).toBe(availability === "partial");
 			expect(state.hasData).toBe(availability !== "missing");
@@ -24,13 +26,16 @@ describe("instrument source and transport presentation", () => {
 	it("preserves a full fresh source and timestamp when force fails, while offering scoped retry", () => {
 		const retry = vi.fn();
 		const refetch = vi.fn();
+
 		const meta = resource([], {
 			sync: { errorCode: "TBANK_UNAVAILABLE", id: "work", state: "failed" },
 		}).meta;
+
 		const state = section(
 			{ data: [], isError: false, isFetching: false, meta, refetch },
 			retry,
 		);
+
 		expect(state).toMatchObject({
 			error: true,
 			hasData: true,
@@ -43,17 +48,16 @@ describe("instrument source and transport presentation", () => {
 		expect(refetch).not.toHaveBeenCalled();
 	});
 	it("shows source failure without a false loading or empty result", () => {
-		const state = section((
-			{
-				data: undefined,
-				isError: false,
-				isFetching: false,
-				meta: resource(null, {
-					sync: { errorCode: "TBANK_UNAVAILABLE", id: "work", state: "failed" },
-				}).meta,
-				refetch: vi.fn(),
-			}
-		));
+		const state = section({
+			data: undefined,
+			isError: false,
+			isFetching: false,
+			meta: resource(null, {
+				sync: { errorCode: "TBANK_UNAVAILABLE", id: "work", state: "failed" },
+			}).meta,
+			refetch: vi.fn(),
+		});
+
 		expect(state).toMatchObject({
 			error: true,
 			hasData: false,