chore: clear lint rules warns: comments, tests

web/e2e/helpers/fixtures.ts

@@ -59,7 +59,7 @@ function findChunk(png: Buffer, type: string): number {
 	throw new Error(`PNG chunk ${type} not found`);
 }
 
-/** Строит валидный RGBA PNG в рантайме (8-bit, фильтр type 0, deflate/zlib). */
+/** Builds a valid RGBA PNG at runtime (8-bit, filter type 0, deflate/zlib). */
 export function makePng(
 	width: number,
 	height: number,
@@ -279,7 +279,7 @@ export const svgMarkup =
 const PIXEL_BYTES = (r: number, g: number, b: number, a: number): string =>
 	`${r} ${g} ${b} ${a}`;
 
-/** Строка для bytes-to-png / rgb-values-to-png, ровно 32 пикселя в ширину по умолчанию. */
+/** Input row for bytes-to-png / rgb-values-to-png, 32 pixels per line by default. */
 export function pixelRow(
 	count: number,
 	rgba: [number, number, number, number],

web/e2e/helpers/i18n.ts

@@ -0,0 +1,8 @@
+import { ru } from "../../src/lib/i18n/ru";
+
+/** RU page title from the dictionary; RU text is never hardcoded in specs. */
+export function ruPageTitle(slug: string): string {
+	const title = ru.pages?.[slug]?.title;
+	if (!title) throw new Error(`ru dictionary has no pages.${slug}.title`);
+	return title;
+}

web/e2e/helpers/page.ts

@@ -76,8 +76,8 @@ export async function renderText(page: Page, value: string): Promise<void> {
 }
 
 export async function uploadImage(page: Page, file: SourceFile): Promise<void> {
-	// На странице может быть два input[type=file]: дропзона + кнопка Open image;
-	// канонический — первый (кнопка в шапке панели).
+	// The page can have two input[type=file]: dropzone + Open image button;
+	// the canonical one is the first (the button in the panel header).
 	const input = page.locator('input[type="file"]').first();
 	await expect(input).toBeAttached();
 	await input.setInputFiles({
@@ -117,7 +117,7 @@ export async function uploadViaDrop(
 }
 
 export async function downloadResultFile(page: Page): Promise<Download> {
-	// Split-кнопка: основная часть "Download" (image) или "Download ZIP" (files).
+	// Split button: the main part is "Download" (image) or "Download ZIP" (files).
 	const button = page.getByRole("button", { name: /^Download( ZIP)?$/ });
 	await expect(button).toBeVisible();
 	const [download] = await Promise.all([
@@ -156,5 +156,5 @@ export async function expectNoErrorAlert(page: Page): Promise<void> {
 }
 
 export async function expectNoErrors(sink: ErrorSink): Promise<void> {
-	expect(sink.errors, "нет console/page errors").toEqual([]);
+	expect(sink.errors, "no console/page errors").toEqual([]);
 }

web/e2e/i18n.spec.ts

@@ -1,23 +1,26 @@
 import { expect, test } from "playwright/test";
 import { pixelRow } from "./helpers/fixtures";
+import { ruPageTitle } from "./helpers/i18n";
 import { openTool, toolLink, useEnglish } from "./helpers/page";
 
-test("поиск каталога находит по названию из другой локали", async ({
+const flipTitleRu = ruPageTitle("flip-png");
+
+test("catalog search finds a tool by a title from another locale", async ({
 	page,
 }) => {
 	await useEnglish(page);
 	await page.goto("/list-tools");
 	const input = page.getByRole("textbox");
 	const flipCard = toolLink(page, "flip-png");
-	await input.fill("отразить");
+	await input.fill(flipTitleRu.split(" ")[0].toLowerCase());
 	await expect(flipCard).toContainText("Flip PNG");
 	await page.getByRole("button", { name: "RU", exact: true }).click();
-	await expect(flipCard).toContainText("Отразить PNG");
+	await expect(flipCard).toContainText(flipTitleRu);
 	await input.fill("flip");
-	await expect(flipCard).toContainText("Отразить PNG");
+	await expect(flipCard).toContainText(flipTitleRu);
 });
 
-test("RU/EN: переключение переводит заголовок инструмента", async ({
+test("RU/EN: switching the locale translates the tool heading", async ({
 	page,
 }) => {
 	await openTool(page, "resize-png");
@@ -25,13 +28,13 @@ test("RU/EN: переключение переводит заголовок ин
 	const enBtn = page.getByRole("button", { name: "EN", exact: true });
 	const heading = page.getByRole("heading", { level: 1 });
 	await ruBtn.click();
-	await expect(heading).toHaveText("Изменить размер PNG");
+	await expect(heading).toHaveText(ruPageTitle("resize-png"));
 	await expect(ruBtn).toHaveAttribute("aria-pressed", "true");
 	await enBtn.click();
 	await expect(heading).toHaveText("Resize PNG");
 });
 
-test("ошибка run'а локализуется и переводится при смене языка", async ({
+test("run error is localized and translated on language switch", async ({
 	page,
 }) => {
 	await openTool(page, "bytes-to-png");

web/e2e/png-fixtures.spec.ts

@@ -56,8 +56,8 @@ const decodeContracts: readonly DecodeContract[] = [
 	{ file: sixteenBitPng, rejectedIn: [] },
 ];
 
-// На этих файлах createImageBitmap в webkit не завершается: ни результата, ни
-// ошибки — контракт «accept или reject» проверить нельзя.
+// On these files createImageBitmap in webkit never settles: no result and no
+// error, so the "accept or reject" contract cannot be verified.
 const webkitHangs = new Set([
 	"truncated-header.png",
 	"crc-bad-ancillary.png",
@@ -72,7 +72,7 @@ test.describe("PNG special fixtures", () => {
 		}) => {
 			test.fixme(
 				browserName === "webkit" && webkitHangs.has(file.name),
-				"webkit createImageBitmap зависает на этом файле",
+				"webkit createImageBitmap hangs on this file",
 			);
 			if (rejectedIn.includes(browserName)) {
 				await expectRejected(page, file);

web/e2e/text-and-verdicts.spec.ts

@@ -34,7 +34,7 @@ for (const [id, input] of [
 	["data-uri-to-png", `data:image/png;base64,${tinyBase64}`],
 	["svg-to-png", svgMarkup],
 ] as const) {
-	test(`text input → ${id} produces result image`, async ({ page }) => {
+	test(`text input -> ${id} produces result image`, async ({ page }) => {
 		const sink = trackErrors(page);
 		await openTool(page, id);
 		await expect(async () => {

web/e2e/tool-flows.spec.ts

@@ -46,7 +46,7 @@ test("resize-png keeps user-set size when another image is uploaded", async ({
 	await uploadImage(page, opaquePng);
 	const width = page.getByRole("spinbutton", { name: "Width" });
 	await width.fill("25");
-	// keepAspect включён по умолчанию: высота пересчитана из 64×48 → 19
+	// keepAspect is on by default: height is recomputed from 64×48 -> 19
 	await expect(page.getByRole("spinbutton", { name: "Height" })).toHaveValue(
 		"19",
 	);
@@ -157,7 +157,7 @@ test("download format selector: JPG warns about alpha and produces JPEG", async
 	await expect(
 		page.getByRole("status").filter({ hasText: /transparency/ }),
 	).toBeVisible();
-	// у JPG в dropdown есть настройка качества
+	// JPG has a quality setting in the dropdown
 	await rangeInput(page, "Quality").fill("10");
 	const { name, bytes } = await downloadResultBytes(page);
 	expect(name).toBe("flip-png.jpg");
@@ -238,8 +238,8 @@ test("blur: changing slider updates result image", async ({ page }) => {
 });
 
 test("runs without Web Worker (fallback)", async ({ browser }, testInfo) => {
-	// newContext() не наследует use.baseURL из конфига — пробрасываем явно,
-	// иначе относительный goto() в helpers не резолвится.
+	// newContext() does not inherit use.baseURL from the config - pass it
+	// explicitly, otherwise the relative goto() in helpers does not resolve.
 	const context = await browser.newContext({
 		baseURL: testInfo.project.use.baseURL,
 	});
@@ -278,7 +278,7 @@ test("chain: add step extends pipeline without reload and persists", async ({
 	});
 	await expect(stepTwo).toBeVisible();
 	await expect(resultImage(page)).toBeVisible();
-	// цепочка переживает перезагрузку (localStorage)
+	// the chain survives a reload (localStorage)
 	await page.reload();
 	await expect(stepTwo).toBeVisible();
 	await expectNoErrorAlert(page);
@@ -295,8 +295,8 @@ test("chain: remove step returns to a single tool", async ({ page }) => {
 		exact: true,
 	});
 	await expect(stepTwo).toBeVisible();
-	// Клик по remove именно в карточке Grayscale: порядок шагов зависит от
-	// тайминга рендера и на разных движках может отличаться.
+	// Click remove in the Grayscale card specifically: step order depends on
+	// render timing and can differ between engines.
 	const card = page.getByRole("article").filter({ hasText: "Grayscale PNG" });
 	await card.getByLabel("Remove step").click();
 	await expect(stepTwo).toHaveCount(0);

web/e2e/tools-smoke.spec.ts

@@ -15,7 +15,7 @@ import {
 type Kind = "image" | "text-out" | "verdict";
 
 const CASES: { id: string; kind: Kind; file?: SourceFile }[] = [
-	// ── convert ────────────────────────────────────────────────
+	// -- convert
 	{ id: "convert-png-to-jpg", kind: "image" },
 	{ id: "convert-png-to-webp", kind: "image" },
 	{ id: "png-to-bmp", kind: "image" },
@@ -24,7 +24,7 @@ const CASES: { id: string; kind: Kind; file?: SourceFile }[] = [
 	{ id: "png-to-hex", kind: "text-out" },
 	{ id: "png-to-bytes", kind: "text-out" },
 	{ id: "png-to-rgb-values", kind: "text-out" },
-	// ── alpha ──────────────────────────────────────────────────
+	// -- alpha
 	{ id: "remove-background-png", kind: "image", file: transparentPng },
 	{ id: "remove-color-from-png", kind: "image", file: transparentPng },
 	{ id: "round-corners-png", kind: "image", file: transparentPng },
@@ -45,7 +45,7 @@ const CASES: { id: string; kind: Kind; file?: SourceFile }[] = [
 	{ id: "remove-alpha-channel-png", kind: "image", file: transparentPng },
 	{ id: "square-mask-png", kind: "image", file: transparentPng },
 	{ id: "star-mask-png", kind: "image", file: transparentPng },
-	// ── color ──────────────────────────────────────────────────
+	// -- color
 	{ id: "grayscale-png", kind: "image" },
 	{ id: "invert-colors-png", kind: "image" },
 	{ id: "sepia-png", kind: "image" },
@@ -70,7 +70,7 @@ const CASES: { id: string; kind: Kind; file?: SourceFile }[] = [
 	{ id: "png-to-hsi", kind: "image" },
 	{ id: "png-to-ycbcr", kind: "image" },
 	{ id: "png-to-lab", kind: "image" },
-	// ── geometry ───────────────────────────────────────────────
+	// -- geometry
 	{ id: "flip-png", kind: "image" },
 	{ id: "rotate-png", kind: "image" },
 	{ id: "rotate-free-png", kind: "image" },
@@ -87,7 +87,7 @@ const CASES: { id: string; kind: Kind; file?: SourceFile }[] = [
 	{ id: "change-aspect-ratio-png", kind: "image" },
 	{ id: "symmetric-copy-png", kind: "image" },
 	{ id: "shift-png", kind: "image" },
-	// ── filters ────────────────────────────────────────────────
+	// -- filters
 	{ id: "blur-png", kind: "image" },
 	{ id: "sharpen-png", kind: "image" },
 	{ id: "pixelate-png", kind: "image" },
@@ -96,11 +96,11 @@ const CASES: { id: string; kind: Kind; file?: SourceFile }[] = [
 	{ id: "silhouette-png", kind: "image" },
 	{ id: "randomize-pixels-png", kind: "image" },
 	{ id: "jpeg-artifacts-png", kind: "image" },
-	// ── text ───────────────────────────────────────────────────
+	// -- text
 	{ id: "add-text-png", kind: "image" },
 	{ id: "date-stamp-png", kind: "image" },
 	{ id: "watermark-tile-png", kind: "image" },
-	// ── analyze (image output) ─────────────────────────────────
+	// -- analyze (image output)
 	{ id: "extract-color-from-png", kind: "image", file: transparentPng },
 	{ id: "show-transparent-png", kind: "image", file: transparentPng },
 	{ id: "light-pixel-mask-png", kind: "image", file: transparentPng },
@@ -109,7 +109,7 @@ const CASES: { id: string; kind: Kind; file?: SourceFile }[] = [
 	{ id: "show-grayscale-pixels-png", kind: "image", file: transparentPng },
 	{ id: "show-color-pixels-png", kind: "image", file: transparentPng },
 	{ id: "dark-pixel-mask-png", kind: "image", file: transparentPng },
-	// ── analyze (verdict output) ───────────────────────────────
+	// -- analyze (verdict output)
 	{ id: "png-is-transparent", kind: "verdict" },
 	{ id: "png-is-grayscale", kind: "verdict" },
 	{ id: "png-orientation", kind: "verdict" },
@@ -132,8 +132,8 @@ test.describe("smoke: tools produce output without errors", () => {
 				}
 			};
 
-			// toPass: устойчивость к hydration-рейсу (ввод до гидрации SvelteKit
-			// может не обработаться с первого раза).
+			// toPass: tolerates the hydration race (input before SvelteKit
+			// hydration may not be processed on the first attempt).
 			await expect(async () => {
 				await openTool(page, id);
 				await uploadImage(page, fixture ?? opaquePng);