fix(day): date the running list against the day on screen

DayRunning takes the viewed day, so a start in another year names its
year. The timeline's chronicle test reads the reworded gap line.

src/components/day/day-sections.tsx

@@ -215,13 +215,11 @@ export function DayRunning({
 }: {
   items: readonly DayRunningItem[];
   /** The viewed day; a start date in another year names its year. */
-  date?: DateKey;
+  date: DateKey;
 }) {
   const { t, locale } = useTranslations();
   if (items.length === 0) return null;
-  const viewedYear = date
-    ? date.slice(0, 4)
-    : String(new Date().getUTCFullYear());
+  const viewedYear = date.slice(0, 4);
   const intlLocale = resolveIntlLocale(locale);
   const sinceText = (since: string): string =>
     new Intl.DateTimeFormat(intlLocale, {

src/components/day/day-view.tsx

@@ -332,7 +332,7 @@ export function DayView({
           </p>
         ) : (
           <>
-            <DayRunning items={data.running} />
+            <DayRunning items={data.running} date={date} />
             {data.values.length > 0 ? (
               <div className="space-y-2.5">
                 <DayValues values={data.values} focusTypes={focusTypes} />

src/components/timeline/__tests__/timeline-components.test.tsx

@@ -143,7 +143,7 @@ describe("chronicle", () => {
         )}
       />,
     );
-    expect(html).toContain("April bis Oktober 2026 · keine Einträge");
+    expect(html).toContain("April bis Oktober 2026 ohne Einträge");
     expect(html).toContain("Dauerhaft");
     expect(html).toContain("2 Allergien");
     expect(html).toContain("Erkältung vorbei");