release: publish v2.0.21 responsive accessibility audit

Refine all primary views across supported desktop widths, preserve compact download actions, strengthen keyboard and assistive semantics, confirm irreversible actions, complete new bilingual UI strings, and unify live speed visualization colors.

tests/statistics-view.test.tsx

@@ -3,7 +3,7 @@ import { isValidElement, type ReactElement, type ReactNode } from "react";
 import { renderToStaticMarkup } from "react-dom/server";
 import { describe, expect, it } from "vitest";
 import type { DownloadItem, DownloadStatus, UiSnapshot } from "../src/shared/types";
-import { appendBandwidthSample, readBandwidthChartPalette } from "../src/renderer/App";
+import { appendBandwidthSample, readBandwidthChartPalette, readDownloadSpeedSparklinePalette } from "../src/renderer/App";
 import {
   buildStatisticsViewModel,
   type StatisticsMetric,
@@ -414,14 +414,34 @@ describe("bandwidth chart palette", () => {
     const dark = css.match(/:root,\s*:root\[data-theme="dark"\]\s*\{([\s\S]*?)\}/)?.[1];
     const light = css.match(/:root\[data-theme="light"\]\s*\{([\s\S]*?)\}/)?.[1];
 
-    expect(dark).toContain("--ui-speed-accent: #F2942D;");
+    expect(dark).toContain("--ui-speed-accent: #4ADE80;");
+    expect(dark).toContain("--ui-primary-text: #181A1F;");
+    expect(dark).toContain("--ui-focus: #9AB8E8;");
+    expect(dark).toContain("--ui-success-text: #4ADE80;");
+    expect(dark).toContain("--ui-warning-text: #F1C786;");
+    expect(dark).toContain("--ui-danger-text: #F06464;");
     expect(dark).toContain("--ui-progress-track-text: #FFFFFF;");
     expect(dark).toContain("--ui-progress-fill-text: #181A1F;");
-    expect(light).toContain("--ui-speed-accent: #C2701A;");
+    expect(light).toContain("--ui-speed-accent: #1E9E55;");
+    expect(light).toContain("--ui-primary-text: #FFFFFF;");
+    expect(light).toContain("--ui-focus: #24558D;");
+    expect(light).toContain("--ui-success-text: #137A3D;");
+    expect(light).toContain("--ui-warning-text: #7A4B00;");
+    expect(light).toContain("--ui-danger-text: #B4232F;");
     expect(light).toContain("--ui-progress-track-text: #181A1F;");
     expect(light).toContain("--ui-progress-fill-text: #181A1F;");
   });
 
+  it("uses theme-aware primary text and visible focus colors", () => {
+    const theme = readFileSync(new URL("../src/renderer/theme.css", import.meta.url), "utf8");
+    const shell = readFileSync(new URL("../src/renderer/shell/shell.css", import.meta.url), "utf8");
+    const collector = readFileSync(new URL("../src/renderer/views/collector/collector.css", import.meta.url), "utf8");
+
+    expect(theme).toMatch(/:focus-visible\s*\{[^}]*outline:\s*2px solid var\(--ui-focus\);/s);
+    expect(shell).toContain("color: var(--ui-primary-text);");
+    expect(collector.match(/color:\s*var\(--ui-primary-text\);/g)).toHaveLength(3);
+  });
+
   it("requests only the semantic UI color properties and keeps the computed font family", () => {
     const requested: string[] = [];
     const values: Record<string, string> = {
@@ -441,6 +461,46 @@ describe("bandwidth chart palette", () => {
       text: "rgb(145, 145, 145)",
       accent: "rgb(242, 148, 45)",
       fontFamily: "Inter, Segoe UI, sans-serif"
-    });
-  });
-});
+    });
+  });
+
+  it("uses the semantic green speed accent for the header sparkline", () => {
+    const requested: string[] = [];
+    const palette = readDownloadSpeedSparklinePalette((property) => {
+      requested.push(property);
+      return property === "--ui-speed-accent" ? " rgb(74, 222, 128) " : "";
+    });
+
+    expect(requested).toEqual(["--ui-speed-accent"]);
+    expect(palette).toEqual({ accent: "rgb(74, 222, 128)" });
+  });
+
+  it("labels the live chart and slows redraws when reduced motion is requested", () => {
+    const source = readFileSync(new URL("../src/renderer/App.tsx", import.meta.url), "utf8");
+    const chartBlock = source.slice(source.indexOf("const BandwidthChart"), source.indexOf("interface DownloadSpeedSparklineProps"));
+
+    expect(chartBlock).toContain('role="img"');
+    expect(chartBlock).toContain('aria-label="Bandbreitenverlauf der letzten 60 Sekunden"');
+    expect(chartBlock).toContain('window.matchMedia("(prefers-reduced-motion: reduce)")');
+    expect(chartBlock).toContain("reducedMotion ? 1000 : 250");
+  });
+
+  it("asks for confirmation before deleting all saved download statistics", () => {
+    const source = readFileSync(new URL("../src/renderer/App.tsx", import.meta.url), "utf8");
+    const actions = source.slice(source.indexOf("const statisticsActions"), source.indexOf("const collectorActions"));
+
+    expect(actions).toContain("askConfirmPrompt");
+    expect(actions.indexOf("askConfirmPrompt")).toBeLessThan(actions.indexOf("resetDownloadStats"));
+    expect(actions).toContain('title: "Gesamtstatistik zurücksetzen"');
+  });
+
+  it("asks for confirmation before resetting session statistics", () => {
+    const source = readFileSync(new URL("../src/renderer/App.tsx", import.meta.url), "utf8");
+    const actions = source.slice(source.indexOf("const statisticsActions"), source.indexOf("const collectorActions"));
+    const sessionReset = actions.slice(actions.indexOf("onResetSession"), actions.indexOf("onResetAll"));
+
+    expect(sessionReset).toContain("askConfirmPrompt");
+    expect(sessionReset.indexOf("askConfirmPrompt")).toBeLessThan(sessionReset.indexOf("resetSessionStats"));
+    expect(sessionReset).toContain('title: "Sitzungsstatistik zurücksetzen"');
+  });
+});