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

server/routes/blogs.js

@@ -0,0 +1,42 @@
+const express = require('express');
+const router = express.Router();
+const contentService = require('../services/content');
+
+router.get('/blogs', (req, res) => {
+  let posts = contentService.getAllPosts();
+  const { category, tag, page } = req.query;
+
+  let activeFilter = null;
+
+  if (category) {
+    const catLower = category.trim().toLowerCase();
+    posts = posts.filter(p => (p.category || '').toLowerCase() === catLower);
+    activeFilter = { type: 'category', value: category };
+  } else if (tag) {
+    const tagLower = tag.trim().toLowerCase();
+    posts = posts.filter(p => (p.tags || []).some(t => t.toLowerCase() === tagLower));
+    activeFilter = { type: 'tag', value: tag };
+  }
+
+  const postsPerPage = 12;
+  const currentPage = Math.max(1, parseInt(page, 10) || 1);
+  const totalPosts = posts.length;
+  const totalPages = Math.ceil(totalPosts / postsPerPage);
+
+  const startIndex = (currentPage - 1) * postsPerPage;
+  const paginatedPosts = posts.slice(startIndex, startIndex + postsPerPage);
+
+  const taxonomy = contentService.getTaxonomy();
+
+  res.render('pages/blogs', {
+    title: activeFilter ? `Blogs - ${activeFilter.type}: ${activeFilter.value}` : 'Blogs',
+    posts: paginatedPosts,
+    currentPage,
+    totalPages,
+    totalPosts,
+    activeFilter,
+    taxonomy
+  });
+});
+
+module.exports = router;