test(coding-agent): mocked settings init for ascii bar tests

- Stubbed `isSettingsInitialized` to false so crest timing stays deterministic.
- Replaced magic timestamp with named `CLASSIC_CREST_VISIBLE_MS` constant.

packages/coding-agent/test/slash-command-format.test.ts

@@ -1,4 +1,5 @@
-import { afterEach, describe, expect, it, vi } from "bun:test";
+import { afterEach, beforeEach, describe, expect, it, vi } from "bun:test";
+import * as settingsModule from "../src/config/settings";
 import type { Theme } from "../src/modes/theme/theme";
 import { renderAsciiBar } from "../src/slash-commands/helpers/format";
 
@@ -24,13 +25,20 @@ const testTheme = {
 	},
 };
 
+// 30 cells/s with classic padding 10 positions the crest on the first cell.
+const CLASSIC_CREST_VISIBLE_MS = 333;
+
 describe("renderAsciiBar", () => {
+	beforeEach(() => {
+		vi.spyOn(settingsModule, "isSettingsInitialized").mockReturnValue(false);
+	});
+
 	afterEach(() => {
 		vi.restoreAllMocks();
 	});
 
 	it("preserves the visible progress-bar contract", () => {
-		vi.spyOn(Date, "now").mockReturnValue(834);
+		vi.spyOn(Date, "now").mockReturnValue(CLASSIC_CREST_VISIBLE_MS);
 
 		const rendered = renderAsciiBar(0.5, 4, testTheme);
 
@@ -38,7 +46,7 @@ describe("renderAsciiBar", () => {
 	});
 
 	it("colors the shimmer band with the theme accent", () => {
-		vi.spyOn(Date, "now").mockReturnValue(834);
+		vi.spyOn(Date, "now").mockReturnValue(CLASSIC_CREST_VISIBLE_MS);
 
 		const rendered = renderAsciiBar(undefined, 4, testTheme);