feat: syntax highlighting

package-lock.json

@@ -32,6 +32,7 @@
         "dexie-react-hooks": "^4.2.0",
         "jotai": "^2.15.2",
         "lucide-react": "latest",
+        "prismjs": "^1.30.0",
         "react": "^19.2.1",
         "react-dom": "^19.2.1",
         "react-markdown": "^10.1.0",
@@ -48,6 +49,7 @@
         "@eslint/js": "^9.17.0",
         "@react-router/dev": "^7.1.0",
         "@types/node": "^24.10.1",
+        "@types/prismjs": "^1.26.5",
         "@types/react": "^19.2.7",
         "@types/react-dom": "^19.2.3",
         "@types/uuid": "^10.0.0",
@@ -3841,6 +3843,13 @@
         "undici-types": "~7.16.0"
       }
     },
+    "node_modules/@types/prismjs": {
+      "version": "1.26.5",
+      "resolved": "https://registry.npmjs.org/@types/prismjs/-/prismjs-1.26.5.tgz",
+      "integrity": "sha512-AUZTa7hQ2KY5L7AmtSiqxlhWxb4ina0yd8hNbl4TWuqnv/pFP0nDMb3YrfSBf4hJVGLh2YEIBfKaBW/9UEl6IQ==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/react": {
       "version": "19.2.7",
       "resolved": "https://registry.npmjs.org/@types/react/-/react-19.2.7.tgz",
@@ -8033,6 +8042,15 @@
         "node": ">=6.0.0"
       }
     },
+    "node_modules/prismjs": {
+      "version": "1.30.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.30.0.tgz",
+      "integrity": "sha512-DEvV2ZF2r2/63V+tK8hQvrR2ZGn10srHbXviTlcv7Kpzw8jWiNTqbVgjO3IY8RxrrOUF8VPMQQFysYYYv0YZxw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/proc-log": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/proc-log/-/proc-log-3.0.0.tgz",