diff --git a/package-lock.json b/package-lock.json
index 1ff7df92..e82b915b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -42,6 +42,7 @@
         "date-fns": "^3.6.0",
         "dompurify": "^3.3.1",
         "embla-carousel-react": "^8.6.0",
+        "highlight.js": "^11.11.1",
         "input-otp": "^1.4.2",
         "lucide-react": "^0.462.0",
         "next-themes": "^0.3.0",
@@ -64,22 +65,19 @@
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         "unified": "^11.0.5",
         "vaul": "^0.9.9",
-        "vfile-matter": "^5.0.1",
-        "zod": "^3.25.76"
+        "vfile-matter": "^5.0.1"
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         "@tailwindcss/typography": "^0.5.16",
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         "@types/react": "^19.2.8",
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-        "@vitest/coverage-v8": "^4.0.17",
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@@ -178,42 +176,17 @@
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-      "resolved": "https://registry.npmjs.org/@babel/helper-string-parser/-/helper-string-parser-7.27.1.tgz",
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-      "license": "MIT",
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
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       }
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-    "node_modules/@babel/parser": {
-      "version": "7.28.5",
-      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.28.5.tgz",
-      "integrity": "sha512-KKBU1VGYR7ORr3At5HAtUQ+TV3SzRCXmA/8OdDZiLDBIZxVyzXuztPjfLd3BV1PRAQGCMWWSHYhL0F8d5uHBDQ==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
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-      },
-      "bin": {
-        "parser": "bin/babel-parser.js"
-      },
-      "engines": {
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-    },
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       "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.28.4.tgz",
@@ -223,30 +196,6 @@
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-      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.28.5.tgz",
-      "integrity": "sha512-qQ5m48eI/MFLQ5PxQj4PFaprjyCTLI37ElWMmNs0K8Lk3dVeOdNpB3ks8jc7yM5CDmVC73eMVk/trk3fgmrUpA==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@babel/helper-string-parser": "^7.27.1",
-        "@babel/helper-validator-identifier": "^7.28.5"
-      },
-      "engines": {
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-    "node_modules/@bcoe/v8-coverage": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/@bcoe/v8-coverage/-/v8-coverage-1.0.2.tgz",
-      "integrity": "sha512-6zABk/ECA/QYSCQ1NGiVwwbQerUCZ+TQbp64Q3AgmfNvurHH0j8TtXa1qbShXA6qqkpAj4V5W8pP6mLe1mcMqA==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=18"
-      }
-    },
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@@ -3494,20 +3443,6 @@
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-      "resolved": "https://registry.npmjs.org/@testing-library/user-event/-/user-event-14.6.1.tgz",
-      "integrity": "sha512-vq7fv0rnt+QTXgPxr5Hjc210p6YKq2kmdziLgnsZGgLJ9e6VAShx1pACLuRjd/AS/sr7phAR58OIIpf0LlmQNw==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=12",
-        "npm": ">=6"
-      },
-      "peerDependencies": {
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       "resolved": "https://registry.npmjs.org/@types/aria-query/-/aria-query-5.0.4.tgz",
@@ -4010,37 +3945,6 @@
         "vite": "^4 || ^5 || ^6 || ^7"
       }
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-    "node_modules/@vitest/coverage-v8": {
-      "version": "4.0.17",
-      "resolved": "https://registry.npmjs.org/@vitest/coverage-v8/-/coverage-v8-4.0.17.tgz",
-      "integrity": "sha512-/6zU2FLGg0jsd+ePZcwHRy3+WpNTBBhDY56P4JTRqUN/Dp6CvOEa9HrikcQ4KfV2b2kAHUFB4dl1SuocWXSFEw==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@bcoe/v8-coverage": "^1.0.2",
-        "@vitest/utils": "4.0.17",
-        "ast-v8-to-istanbul": "^0.3.10",
-        "istanbul-lib-coverage": "^3.2.2",
-        "istanbul-lib-report": "^3.0.1",
-        "istanbul-reports": "^3.2.0",
-        "magicast": "^0.5.1",
-        "obug": "^2.1.1",
-        "std-env": "^3.10.0",
-        "tinyrainbow": "^3.0.3"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
-      },
-      "peerDependencies": {
-        "@vitest/browser": "4.0.17",
-        "vitest": "4.0.17"
-      },
-      "peerDependenciesMeta": {
-        "@vitest/browser": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/@vitest/expect": {
       "version": "4.0.17",
       "resolved": "https://registry.npmjs.org/@vitest/expect/-/expect-4.0.17.tgz",
@@ -4315,25 +4219,6 @@
         "node": ">=12"
       }
     },
-    "node_modules/ast-v8-to-istanbul": {
-      "version": "0.3.10",
-      "resolved": "https://registry.npmjs.org/ast-v8-to-istanbul/-/ast-v8-to-istanbul-0.3.10.tgz",
-      "integrity": "sha512-p4K7vMz2ZSk3wN8l5o3y2bJAoZXT3VuJI5OLTATY/01CYWumWvwkUw0SqDBnNq6IiTO3qDa1eSQDibAV8g7XOQ==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@jridgewell/trace-mapping": "^0.3.31",
-        "estree-walker": "^3.0.3",
-        "js-tokens": "^9.0.1"
-      }
-    },
-    "node_modules/ast-v8-to-istanbul/node_modules/js-tokens": {
-      "version": "9.0.1",
-      "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-9.0.1.tgz",
-      "integrity": "sha512-mxa9E9ITFOt0ban3j6L5MpjwegGz6lBQmM1IJkWeBZGcMxto50+eWdjC/52xDbS2vy0k7vIMK0Fe2wfL9OQSpQ==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/autoprefixer": {
       "version": "10.4.23",
       "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-10.4.23.tgz",
@@ -5924,13 +5809,6 @@
         "node": "^20.19.0 || ^22.12.0 || >=24.0.0"
       }
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-    "node_modules/html-escaper": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/html-escaper/-/html-escaper-2.0.2.tgz",
-      "integrity": "sha512-H2iMtd0I4Mt5eYiapRdIDjp+XzelXQ0tFE4JS7YFwFevXXMmOp9myNrUvCg0D6ws8iqkRPBfKHgbwig1SmlLfg==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/html-url-attributes": {
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       "resolved": "https://registry.npmjs.org/html-url-attributes/-/html-url-attributes-3.0.1.tgz",
@@ -6199,45 +6077,6 @@
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-    "node_modules/istanbul-lib-coverage": {
-      "version": "3.2.2",
-      "resolved": "https://registry.npmjs.org/istanbul-lib-coverage/-/istanbul-lib-coverage-3.2.2.tgz",
-      "integrity": "sha512-O8dpsF+r0WV/8MNRKfnmrtCWhuKjxrq2w+jpzBL5UZKTi2LeVWnWOmWRxFlesJONmc+wLAGvKQZEOanko0LFTg==",
-      "dev": true,
-      "license": "BSD-3-Clause",
-      "engines": {
-        "node": ">=8"
-      }
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-    "node_modules/istanbul-lib-report": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/istanbul-lib-report/-/istanbul-lib-report-3.0.1.tgz",
-      "integrity": "sha512-GCfE1mtsHGOELCU8e/Z7YWzpmybrx/+dSTfLrvY8qRmaY6zXTKWn6WQIjaAFw069icm6GVMNkgu0NzI4iPZUNw==",
-      "dev": true,
-      "license": "BSD-3-Clause",
-      "dependencies": {
-        "istanbul-lib-coverage": "^3.0.0",
-        "make-dir": "^4.0.0",
-        "supports-color": "^7.1.0"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
-    "node_modules/istanbul-reports": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/istanbul-reports/-/istanbul-reports-3.2.0.tgz",
-      "integrity": "sha512-HGYWWS/ehqTV3xN10i23tkPkpH46MLCIMFNCaaKNavAXTF1RkqxawEPtnjnGZ6XKSInBKkiOA5BKS+aZiY3AvA==",
-      "dev": true,
-      "license": "BSD-3-Clause",
-      "dependencies": {
-        "html-escaper": "^2.0.0",
-        "istanbul-lib-report": "^3.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/jiti": {
       "version": "1.21.7",
       "resolved": "https://registry.npmjs.org/jiti/-/jiti-1.21.7.tgz",
@@ -6521,34 +6360,6 @@
         "@jridgewell/sourcemap-codec": "^1.5.5"
       }
     },
-    "node_modules/magicast": {
-      "version": "0.5.1",
-      "resolved": "https://registry.npmjs.org/magicast/-/magicast-0.5.1.tgz",
-      "integrity": "sha512-xrHS24IxaLrvuo613F719wvOIv9xPHFWQHuvGUBmPnCA/3MQxKI3b+r7n1jAoDHmsbC5bRhTZYR77invLAxVnw==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@babel/parser": "^7.28.5",
-        "@babel/types": "^7.28.5",
-        "source-map-js": "^1.2.1"
-      }
-    },
-    "node_modules/make-dir": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-4.0.0.tgz",
-      "integrity": "sha512-hXdUTZYIVOt1Ex//jAQi+wTZZpUpwBj/0QsOzqegb3rGMMeJiSEu5xLHnYfBrRV4RH2+OCSOO95Is/7x1WJ4bw==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "semver": "^7.5.3"
-      },
-      "engines": {
-        "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
     "node_modules/markdown-table": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/markdown-table/-/markdown-table-3.0.4.tgz",
@@ -9994,15 +9805,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
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-    "node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
-      "license": "MIT",
-      "funding": {
-        "url": "https://github.com/sponsors/colinhacks"
-      }
-    },
     "node_modules/zwitch": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/zwitch/-/zwitch-2.0.4.tgz",
diff --git a/package.json b/package.json
index 5e62e62f..dfba3428 100644
--- a/package.json
+++ b/package.json
@@ -57,6 +57,7 @@
     "date-fns": "^3.6.0",
     "dompurify": "^3.3.1",
     "embla-carousel-react": "^8.6.0",
+    "highlight.js": "^11.11.1",
     "input-otp": "^1.4.2",
     "lucide-react": "^0.462.0",
     "next-themes": "^0.3.0",
@@ -79,8 +80,7 @@
     "tailwindcss-animate": "^1.0.7",
     "unified": "^11.0.5",
     "vaul": "^0.9.9",
-    "vfile-matter": "^5.0.1",
-    "zod": "^3.25.76"
+    "vfile-matter": "^5.0.1"
   },
   "overrides": {
     "react": "^19.2.3",
@@ -91,14 +91,12 @@
     "@tailwindcss/typography": "^0.5.16",
     "@testing-library/jest-dom": "^6.9.1",
     "@testing-library/react": "^16.3.1",
-    "@testing-library/user-event": "^14.6.1",
     "@types/dompurify": "^3.0.5",
     "@types/jszip": "^3.4.0",
     "@types/node": "^22.16.5",
     "@types/react": "^19.2.8",
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react-swc": "^4.2.2",
-    "@vitest/coverage-v8": "^4.0.17",
     "@vitest/ui": "^4.0.17",
     "autoprefixer": "^10.4.21",
     "eslint": "^9.32.0",