feat: initial release of pengzhan.dev personal editorial blog platform

- Editorial web platform built with Node.js, Express, EJS, and Vanilla CSS
- Markdown content engine with YAML frontmatter, bilingual variants, and hot-reload watcher
- Unified SQLite with FTS5 search indexing, query logging, and schema filters
- Centered editorial post layout with margin-docked left TOC and mobile bottom sheet
- WordPress-grade comment system with moderation dashboard and bulk operations under /guanli
- Complete SEO suite (JSON-LD structured data, RSS/Atom feeds, XML sitemap, robots.txt)
- CI/CD workflows for linting, security audits (Gitleaks), automated tests, and Docker releases

public/js/search-ui.js

@@ -0,0 +1,20 @@
+document.addEventListener('DOMContentLoaded', () => {
+  const searchInput = document.getElementById('search-input');
+  const searchForm = document.getElementById('search-form');
+  const pillElements = document.querySelectorAll('.search-pill-btn');
+
+  if (searchInput && pillElements.length > 0) {
+    pillElements.forEach(pill => {
+      pill.addEventListener('click', (e) => {
+        e.preventDefault();
+        const query = pill.getAttribute('data-query');
+        if (query) {
+          searchInput.value = query;
+          if (searchForm) {
+            searchForm.submit();
+          }
+        }
+      });
+    });
+  }
+});