diff --git a/webui/package-lock.json b/webui/package-lock.json
index ee1363d..4f360ec 100644
--- a/webui/package-lock.json
+++ b/webui/package-lock.json
@@ -25,7 +25,7 @@
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         "remark-frontmatter": "^5.0.0",
         "remark-gfm": "^4.0.1",
-        "shiki": "^3.22.0"
+        "shiki": "^4.0.0"
       },
       "devDependencies": {
         "@biomejs/biome": "2.4.4",
@@ -1786,64 +1786,97 @@
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     },
     "node_modules/@shikijs/core": {
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-      "resolved": "https://registry.npmjs.org/@shikijs/core/-/core-3.22.0.tgz",
-      "integrity": "sha512-iAlTtSDDbJiRpvgL5ugKEATDtHdUVkqgHDm/gbD2ZS9c88mx7G1zSYjjOxp5Qa0eaW0MAQosFRmJSk354PRoQA==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@shikijs/core/-/core-4.0.0.tgz",
+      "integrity": "sha512-tvV94Dwyz4qFZ8R0MUaFx5Yptgy8yrloa4dwynEJDGjKz+8vqO8Q6FmPZL9W1gSzFHOUMOGQzIHK62aGourFxA==",
       "license": "MIT",
       "dependencies": {
-        "@shikijs/types": "3.22.0",
+        "@shikijs/primitive": "4.0.0",
+        "@shikijs/types": "4.0.0",
         "@shikijs/vscode-textmate": "^10.0.2",
         "@types/hast": "^3.0.4",
         "hast-util-to-html": "^9.0.5"
+      },
+      "engines": {
+        "node": ">=20"
       }
     },
     "node_modules/@shikijs/engine-javascript": {
-      "version": "3.22.0",
-      "resolved": "https://registry.npmjs.org/@shikijs/engine-javascript/-/engine-javascript-3.22.0.tgz",
-      "integrity": "sha512-jdKhfgW9CRtj3Tor0L7+yPwdG3CgP7W+ZEqSsojrMzCjD1e0IxIbwUMDDpYlVBlC08TACg4puwFGkZfLS+56Tw==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@shikijs/engine-javascript/-/engine-javascript-4.0.0.tgz",
+      "integrity": "sha512-+PEyTS+JTz2lLy2C1Dwwx6hzoehIzqxQYh5MEjv9V4JtSabx+bIkRHfQT+6DnBmPAplGH0exBknWeiJSXC7w1w==",
       "license": "MIT",
       "dependencies": {
-        "@shikijs/types": "3.22.0",
+        "@shikijs/types": "4.0.0",
         "@shikijs/vscode-textmate": "^10.0.2",
         "oniguruma-to-es": "^4.3.4"
+      },
+      "engines": {
+        "node": ">=20"
       }
     },
     "node_modules/@shikijs/engine-oniguruma": {
-      "version": "3.22.0",
-      "resolved": "https://registry.npmjs.org/@shikijs/engine-oniguruma/-/engine-oniguruma-3.22.0.tgz",
-      "integrity": "sha512-DyXsOG0vGtNtl7ygvabHd7Mt5EY8gCNqR9Y7Lpbbd/PbJvgWrqaKzH1JW6H6qFkuUa8aCxoiYVv8/YfFljiQxA==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@shikijs/engine-oniguruma/-/engine-oniguruma-4.0.0.tgz",
+      "integrity": "sha512-KXmq4b6Xw16+4+rz5M4NZMoe/tzs5kTOMSJz8+LCyxSrwmxwTBAM/ab85iSO2Gw79E47HkW4B9HPHUXhrNOivw==",
       "license": "MIT",
       "dependencies": {
-        "@shikijs/types": "3.22.0",
+        "@shikijs/types": "4.0.0",
         "@shikijs/vscode-textmate": "^10.0.2"
+      },
+      "engines": {
+        "node": ">=20"
       }
     },
     "node_modules/@shikijs/langs": {
-      "version": "3.22.0",
-      "resolved": "https://registry.npmjs.org/@shikijs/langs/-/langs-3.22.0.tgz",
-      "integrity": "sha512-x/42TfhWmp6H00T6uwVrdTJGKgNdFbrEdhaDwSR5fd5zhQ1Q46bHq9EO61SCEWJR0HY7z2HNDMaBZp8JRmKiIA==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@shikijs/langs/-/langs-4.0.0.tgz",
+      "integrity": "sha512-dSAT6fBcnOcYZQMWZO8+OmzUKKm+OO0As/qZ3TXLiSy0JsCTEYz1TaX7TDupnYLz7dr0oF2DOTEgPocx1D3aFw==",
+      "license": "MIT",
+      "dependencies": {
+        "@shikijs/types": "4.0.0"
+      },
+      "engines": {
+        "node": ">=20"
+      }
+    },
+    "node_modules/@shikijs/primitive": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@shikijs/primitive/-/primitive-4.0.0.tgz",
+      "integrity": "sha512-6K2zD7JTgsyFc2vM1rqy8eRGC8D5Hius3qzVONjq2lHMrqfTSn1HcGeJZiFPYSV9m3DQuBHncBbA5xe0hKSOkQ==",
       "license": "MIT",
       "dependencies": {
-        "@shikijs/types": "3.22.0"
+        "@shikijs/types": "4.0.0",
+        "@shikijs/vscode-textmate": "^10.0.2",
+        "@types/hast": "^3.0.4"
+      },
+      "engines": {
+        "node": ">=20"
       }
     },
     "node_modules/@shikijs/themes": {
-      "version": "3.22.0",
-      "resolved": "https://registry.npmjs.org/@shikijs/themes/-/themes-3.22.0.tgz",
-      "integrity": "sha512-o+tlOKqsr6FE4+mYJG08tfCFDS+3CG20HbldXeVoyP+cYSUxDhrFf3GPjE60U55iOkkjbpY2uC3It/eeja35/g==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@shikijs/themes/-/themes-4.0.0.tgz",
+      "integrity": "sha512-xe42kvxOXan5ouXxULez6qwDNUJkoP6kicfg0wKuJBkeIaHLxZBZa2gEGYutL1q27DQZ5+XoR6caVX+E/aNR5A==",
       "license": "MIT",
       "dependencies": {
-        "@shikijs/types": "3.22.0"
+        "@shikijs/types": "4.0.0"
+      },
+      "engines": {
+        "node": ">=20"
       }
     },
     "node_modules/@shikijs/types": {
-      "version": "3.22.0",
-      "resolved": "https://registry.npmjs.org/@shikijs/types/-/types-3.22.0.tgz",
-      "integrity": "sha512-491iAekgKDBFE67z70Ok5a8KBMsQ2IJwOWw3us/7ffQkIBCyOQfm/aNwVMBUriP02QshIfgHCBSIYAl3u2eWjg==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@shikijs/types/-/types-4.0.0.tgz",
+      "integrity": "sha512-LCnfBTtQKNtJyc1qMShZr2dJt1uxNI6pI0/YTc2DSNET91aUvnMGHUHsucVCC5AJVcv5XyBqk2NgYRwd20EjbA==",
       "license": "MIT",
       "dependencies": {
         "@shikijs/vscode-textmate": "^10.0.2",
         "@types/hast": "^3.0.4"
+      },
+      "engines": {
+        "node": ">=20"
       }
     },
     "node_modules/@shikijs/vscode-textmate": {
@@ -6258,19 +6291,22 @@
       }
     },
     "node_modules/shiki": {
-      "version": "3.22.0",
-      "resolved": "https://registry.npmjs.org/shiki/-/shiki-3.22.0.tgz",
-      "integrity": "sha512-LBnhsoYEe0Eou4e1VgJACes+O6S6QC0w71fCSp5Oya79inkwkm15gQ1UF6VtQ8j/taMDh79hAB49WUk8ALQW3g==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/shiki/-/shiki-4.0.0.tgz",
+      "integrity": "sha512-rjKoiw30ZaFsM0xnPPwxco/Jftz/XXqZkcQZBTX4LGheDw8gCDEH87jdgaKDEG3FZO2bFOK27+sR/sDHhbBXfg==",
       "license": "MIT",
       "dependencies": {
-        "@shikijs/core": "3.22.0",
-        "@shikijs/engine-javascript": "3.22.0",
-        "@shikijs/engine-oniguruma": "3.22.0",
-        "@shikijs/langs": "3.22.0",
-        "@shikijs/themes": "3.22.0",
-        "@shikijs/types": "3.22.0",
+        "@shikijs/core": "4.0.0",
+        "@shikijs/engine-javascript": "4.0.0",
+        "@shikijs/engine-oniguruma": "4.0.0",
+        "@shikijs/langs": "4.0.0",
+        "@shikijs/themes": "4.0.0",
+        "@shikijs/types": "4.0.0",
         "@shikijs/vscode-textmate": "^10.0.2",
         "@types/hast": "^3.0.4"
+      },
+      "engines": {
+        "node": ">=20"
       }
     },
     "node_modules/source-map": {
diff --git a/webui/package.json b/webui/package.json
index 747723c..c1a5693 100644
--- a/webui/package.json
+++ b/webui/package.json
@@ -38,7 +38,7 @@
     "rehype-pretty-code": "^0.14.1",
     "remark-frontmatter": "^5.0.0",
     "remark-gfm": "^4.0.1",
-    "shiki": "^3.22.0"
+    "shiki": "^4.0.0"
   },
   "devDependencies": {
     "@biomejs/biome": "2.4.4",