web: integrate QoL slices 1-5 (model switch/rename, history deletes, usage stats, repo prepare+badges+imageUsed, markdown/search/FAB/timestamps) — 263 tests, ≥95% all metrics

web/src/store.test.tsx

@@ -1,7 +1,13 @@
 import { act, renderHook, waitFor } from "@testing-library/react";
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 import { getSettings, saveSettings } from "./settings";
-import { classNames, relativeTime, useSessions, useToasts } from "./store";
+import {
+	classNames,
+	formatTokens,
+	relativeTime,
+	useSessions,
+	useToasts,
+} from "./store";
 import {
 	FakeWebSocket,
 	jsonResponse,
@@ -39,6 +45,19 @@ describe("classNames", () => {
 	});
 });
 
+describe("formatTokens", () => {
+	it("compacts with one decimal under 100, no decimal above", () => {
+		expect(formatTokens(0)).toBe("0");
+		expect(formatTokens(999)).toBe("999");
+		expect(formatTokens(1000)).toBe("1K");
+		expect(formatTokens(1234)).toBe("1.2K");
+		expect(formatTokens(340000)).toBe("340K");
+		expect(formatTokens(1250000)).toBe("1.3M");
+		expect(formatTokens(1200000)).toBe("1.2M");
+		expect(formatTokens(2500000000)).toBe("2.5B");
+	});
+});
+
 describe("useToasts", () => {
 	beforeEach(() => {
 		vi.useFakeTimers();