refactor: rename how 2026 event page to event-04

Author: faweizhao26

…in-content-pages/events/event-202603.mdx …plugin-content-pages/events/event-04.mdxi18n/zh-CN/docusaurus-plugin-content-pages/events/event-202603.mdx renamed to i18n/zh-CN/docusaurus-plugin-content-pages/events/event-04.mdx i18n/zh-CN/docusaurus-plugin-content-pages/events/event-202603.mdx renamed to i18n/zh-CN/docusaurus-plugin-content-pages/events/event-04.mdx

@@ -150,7 +150,7 @@ import useBaseUrl from '@docusaurus/useBaseUrl';
   <div className="detail-sidebar">
     <div className="sidebar-box">
       <div className="sidebar-title">近期活动</div>
-      <a href="/zh-cn/events/event-202603" className="side-item">
+      <a href="/zh-cn/events/event-04" className="side-item">
         <img className="side-item-img" src={useBaseUrl('/img/events/event-202603-zh.jpg')} alt="开源生态大会暨 PostgreSQL 高峰论坛（HOW 2026）" />
         <div className="side-item-title">活动预告｜开源生态大会暨 PostgreSQL 高峰论坛（HOW 2026）</div>
       </a>

i18n/zh-CN/docusaurus-plugin-content-pages/events/event-202601.mdx

@@ -13,7 +13,7 @@ export const EventsData = [
     startTime: "2026-04-27",
     endTime: "2026-04-28",
     location: "线下活动（济南）",
-    link: "/zh-cn/events/event-202603",
+    link: "/zh-cn/events/event-04",
     img: "/img/events/event-202603-zh.jpg"
   },
   {

i18n/zh-CN/docusaurus-plugin-content-pages/events/index.mdx

@@ -149,7 +149,7 @@ import useBaseUrl from '@docusaurus/useBaseUrl';
           >
             <span>Registration</span>
           </a>
-          <a className="how-link-btn ghost" href="/zh-cn/events/event-202603">
+          <a className="how-link-btn ghost" href="/zh-cn/events/event-04">
             <span>Chinese Detail Page</span>
           </a>
         </div>

src/pages/events/event-202603.mdx src/pages/events/event-04.mdxsrc/pages/events/event-202603.mdx renamed to src/pages/events/event-04.mdx

@@ -147,7 +147,7 @@ import useBaseUrl from '@docusaurus/useBaseUrl';
   <div className="detail-sidebar">
     <div className="sidebar-box">
       <div className="sidebar-title">Recent Events</div>
-      <a href="/events/event-202603" className="side-item">
+      <a href="/events/event-04" className="side-item">
         <img className="side-item-img" src={useBaseUrl('/img/events/event-202603-en.jpg')} alt="Open Source Ecosystem Conference and PostgreSQL Summit (HOW 2026)" />
         <div className="side-item-title">Event Preview | Open Source Ecosystem Conference and PostgreSQL Summit (HOW 2026)</div>
       </a>

src/pages/events/event-202601.mdx

@@ -13,7 +13,7 @@ export const EventsData = [
     startTime: "2026-04-27",
     endTime: "2026-04-28",
     location: "Offline (Jinan)",
-    link: "/events/event-202603",
+    link: "/events/event-04",
     img: "/img/events/event-202603-en.jpg"
   },
   {