feat: split publications and activities with dated programs

README.md

@@ -54,8 +54,8 @@ creates a missing post, updates a different post, and leaves an identical post u
 - `articles/`: Zenn-compatible Japanese articles
 - `article_config.json`: non-secret publishing destination settings
 - `images/`: images shared by Zenn, esa exports, and the website
-- `content/news/`: standalone bilingual news records
-- `content/publications/`: bilingual publication records and their optional News announcements
+- `content/activities/`: standalone bilingual activity records
+- `content/publications/`: bilingual publication records and their optional activity announcements
 - `src/data/`: typed profile, research, education, and content transformation code
 - `public/`: files copied directly into the production build
 

content/activities/fukuoka_mitou_2023.yaml

@@ -0,0 +1,7 @@
+date: "2023-11-01"
+endDate: "2024-01-31"
+title:
+  ja: "福岡未踏 Solve に採択され，LLM-chatbot をチームで開発しました．"
+  en: "Selected for Fukuoka Mitou (Solve) and built LLM-chatbot with a team."
+url: "https://note.com/mitou_fukuoka/n/n397fe44895c6"
+type: "program"

content/activities/q2pec_2024.yaml

@@ -0,0 +1,7 @@
+date: "2024-08-16"
+endDate: "2024-09-23"
+title:
+  ja: "九州大学工学部の短期留学プログラム Q²PEC で，クイーンズランド大学（オーストラリア）に滞在しました．"
+  en: "Studied at the University of Queensland, Australia, through Kyushu University's Q²PEC short-term program."
+url: "https://www.eng.kyushu-u.ac.jp/programs/program-q2pec/"
+type: "study-abroad"

content/publications/ss2026_27.yaml

@@ -15,7 +15,7 @@ year: 2026
 type: "technical-report"
 peerReviewed: false
 url: "https://ken.ieice.org/ken/paper/202607247cwN/"
-news:
+activity:
   date: "2026-07-24"
   title:
     ja: "SIGSS 2026年7月研究会で研究発表を行いました．"

src/components/activities_section.astro

@@ -0,0 +1,39 @@
+---
+import type { Lang } from "@i18n/ui";
+import { useTranslations } from "@i18n/utils";
+import { getActivities } from "@data/activities";
+import Section from "./section.astro";
+import ActivityEntry from "./activity_entry.astro";
+
+interface Props {
+  lang: Lang;
+}
+
+const { lang } = Astro.props;
+const t = useTranslations(lang);
+const activities = await getActivities();
+---
+
+<Section id="activities" title={t("section.activities")}>
+  {
+    activities.length > 0 ? (
+      <ul class="activity-list">
+        {activities.map((item) => (
+          <ActivityEntry item={item} lang={lang} />
+        ))}
+      </ul>
+    ) : (
+      <p class="empty">{t("activities.empty")}</p>
+    )
+  }
+</Section>
+
+<style>
+  .activity-list {
+    list-style: none;
+  }
+
+  .empty {
+    color: var(--color-text-secondary);
+  }
+</style>

src/components/news_entry.astro → src/components/activity_entry.astro

@@ -1,26 +1,27 @@
 ---
 import type { Lang } from "@i18n/ui";
-import type { NewsItem } from "@data/news";
-import { pickLocale } from "@i18n/utils";
+import { formatActivityPeriod, type Activity } from "@data/activities";
+import { pickLocale, useTranslations } from "@i18n/utils";
 import OptionalLink from "./optional_link.astro";
 
 interface Props {
-  item: NewsItem;
+  item: Activity;
   lang: Lang;
 }
 
 const { item, lang } = Astro.props;
+const t = useTranslations(lang);
 const title = pickLocale(item.title, lang);
 ---
 
-<li class="news-entry">
-  <time datetime={item.date}>{item.date}</time>
-  <span class={`badge badge-${item.type}`}>{item.type}</span>
+<li class="activity-entry">
+  <time datetime={item.date}>{formatActivityPeriod(item)}</time>
+  <span class={`badge badge-${item.type}`}>{t(`activity.type.${item.type}`)}</span>
   <OptionalLink href={item.url}>{title}</OptionalLink>
 </li>
 
 <style>
-  .news-entry {
+  .activity-entry {
     display: flex;
     align-items: baseline;
     gap: 0.75rem;
@@ -59,7 +60,7 @@ const title = pickLocale(item.title, lang);
   }
 
   @media (width < 640px) {
-    .news-entry {
+    .activity-entry {
       flex-wrap: wrap;
     }
   }

src/components/publications_section.astro

@@ -1,10 +1,8 @@
 ---
 import type { Lang } from "@i18n/ui";
 import { useTranslations } from "@i18n/utils";
-import { getNews } from "@data/news";
 import { getPublications } from "@data/publications";
 import Section from "./section.astro";
-import NewsEntry from "./news_entry.astro";
 import PublicationEntry from "./publication_entry.astro";
 
 interface Props {
@@ -14,7 +12,6 @@ interface Props {
 const { lang } = Astro.props;
 const t = useTranslations(lang);
 const publications = await getPublications(lang);
-const news = await getNews();
 ---
 
 <Section id="publications" title={t("section.publications")}>
@@ -29,27 +26,13 @@ const news = await getNews();
       <p class="empty">{t("publications.empty")}</p>
     )
   }
-  {
-    news.length > 0 && (
-      <ul class="news-list">
-        {news.map((item) => (
-          <NewsEntry item={item} lang={lang} />
-        ))}
-      </ul>
-    )
-  }
 </Section>
 
 <style>
-  .pub-list,
-  .news-list {
+  .pub-list {
     list-style: none;
   }
 
-  .news-list {
-    margin-top: 1.5rem;
-  }
-
   .empty {
     color: var(--color-text-secondary);
   }

src/data/activities.ts

@@ -0,0 +1,12 @@
+import { getCollection } from "astro:content";
+
+import { toActivities } from "./site_records";
+import type { Activity } from "./site_records";
+
+export { formatActivityPeriod } from "./site_records";
+export type { Activity } from "./site_records";
+
+export async function getActivities(): Promise<Activity[]> {
+  const entries = await getCollection("siteRecords");
+  return toActivities(entries.map(({ data }) => data));
+}

src/data/sections.ts

@@ -3,6 +3,7 @@ export const HOME_SECTIONS = [
   "works",
   "research",
   "publications",
+  "activities",
   "blog",
   "contact",
 ] as const;

src/data/site_record_schema.test.ts

@@ -1,6 +1,6 @@
 import { expect, test } from "vitest";
 
-import { newsSchema, publicationSchema } from "./site_record_schema";
+import { activitySchema, publicationSchema } from "./site_record_schema";
 
 test("rejects unknown publication fields", () => {
   const result = publicationSchema.safeParse({
@@ -19,12 +19,34 @@ test("rejects unknown publication fields", () => {
   );
 });
 
-test("rejects news dates outside the ISO date format", () => {
-  const result = newsSchema.safeParse({
+test("rejects activity dates outside the ISO date format", () => {
+  const result = activitySchema.safeParse({
     date: "August 12, 2026",
     title: { ja: "ニュース", en: "News" },
     type: "general",
   });
 
   expect(result.success).toBe(false);
 });
+
+test("accepts a program activity with an end date", () => {
+  const result = activitySchema.safeParse({
+    date: "2024-08-16",
+    endDate: "2024-09-23",
+    title: { ja: "短期留学", en: "Study abroad" },
+    type: "study-abroad",
+  });
+
+  expect(result.success).toBe(true);
+});
+
+test("rejects an activity that ends before it starts", () => {
+  const result = activitySchema.safeParse({
+    date: "2024-01-31",
+    endDate: "2023-11-01",
+    title: { ja: "プログラム", en: "Program" },
+    type: "program",
+  });
+
+  expect(result.success).toBe(false);
+});

src/data/site_record_schema.ts

@@ -7,14 +7,19 @@ const localizedTextSchema = z
   })
   .strict();
 
-export const newsSchema = z
+export const activitySchema = z
   .object({
     date: z.iso.date(),
+    endDate: z.iso.date().optional(),
     title: localizedTextSchema,
     url: z.url().optional(),
-    type: z.enum(["paper", "talk", "award", "general"]),
+    type: z.enum(["paper", "talk", "award", "program", "study-abroad", "general"]),
   })
-  .strict();
+  .strict()
+  .refine(({ date, endDate }) => endDate === undefined || date <= endDate, {
+    message: "endDate must not precede date",
+    path: ["endDate"],
+  });
 
 export const publicationSchema = z
   .object({
@@ -29,12 +34,12 @@ export const publicationSchema = z
     pdfUrl: z.url().optional(),
     slidesUrl: z.url().optional(),
     bibtex: z.string().min(1).optional(),
-    news: newsSchema.optional(),
+    activity: activitySchema.optional(),
   })
   .strict();
 
-export type NewsRecord = z.infer<typeof newsSchema>;
+export type ActivityRecord = z.infer<typeof activitySchema>;
 export type PublicationRecord = z.infer<typeof publicationSchema>;
 
-export const siteRecordSchema = z.union([publicationSchema, newsSchema]);
+export const siteRecordSchema = z.union([publicationSchema, activitySchema]);
 export type SiteRecord = z.infer<typeof siteRecordSchema>;

src/data/site_records.test.ts

@@ -1,7 +1,7 @@
 import { expect, test } from "vitest";
 
 import type { PublicationRecord } from "./site_record_schema";
-import { toNewsItems, toPublications } from "./site_records";
+import { formatActivityPeriod, toActivities, toPublications } from "./site_records";
 
 test("uses Japanese publication metadata on Japanese pages", () => {
   const items = toPublications(
@@ -25,11 +25,11 @@ test("uses Japanese publication metadata on Japanese pages", () => {
   });
 });
 
-test("projects a publication announcement into news with the publication URL", () => {
-  const items = toNewsItems([
+test("projects a publication announcement into activities with the publication URL", () => {
+  const items = toActivities([
     publication({
       url: "https://example.com/publication",
-      news: {
+      activity: {
         date: "2026-07-24",
         title: {
           ja: "研究発表を行いました．",
@@ -54,10 +54,10 @@ test("projects a publication announcement into news with the publication URL", (
 });
 
 test("links a publication announcement to its own event page when given", () => {
-  const items = toNewsItems([
+  const items = toActivities([
     publication({
       url: "https://example.com/publication",
-      news: {
+      activity: {
         date: "2026-07-24",
         title: { ja: "研究発表を行いました．", en: "Presented our work." },
         url: "https://example.com/event",
@@ -69,10 +69,10 @@ test("links a publication announcement to its own event page when given", () =>
   expect(items[0]?.url).toBe("https://example.com/event");
 });
 
-test("orders projected and standalone news from newest to oldest", () => {
-  const items = toNewsItems([
+test("orders projected and standalone activities from newest to oldest", () => {
+  const items = toActivities([
     publication({
-      news: {
+      activity: {
         date: "2026-03-15",
         title: { ja: "新しい発表", en: "Newer announcement" },
         type: "paper",
@@ -88,6 +88,16 @@ test("orders projected and standalone news from newest to oldest", () => {
   expect(items.map(({ date }) => date)).toEqual(["2026-03-15", "2025-08-01"]);
 });
 
+test("shows a single-day activity as its month", () => {
+  expect(formatActivityPeriod({ date: "2026-07-24" })).toBe("2026.07");
+});
+
+test("shows an activity period from its start month to its end month", () => {
+  expect(formatActivityPeriod({ date: "2023-11-01", endDate: "2024-01-31" })).toBe(
+    "2023.11–2024.01",
+  );
+});
+
 test("formats a publication author list for display", () => {
   const items = toPublications(
     [