diff --git a/package-lock.json b/package-lock.json
index dcf5088..36c588c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
         "@types/react": "^19.2.18",
         "@types/react-dom": "^19.2.5",
         "@types/three": "^0.185.4",
-        "@vitest/coverage-v8": "4.1.11",
+        "@vitest/coverage-v8": "^5.0.1",
         "eslint": "^10",
         "eslint-config-next": "^16.3.5",
         "eslint-plugin-react": "^7.37.5",
@@ -45,7 +45,8 @@
         "tailwindcss": "^4",
         "tsx": "^4.23.15",
         "typescript": "^6",
-        "vitest": "^4.1.11",
+        "vite": "^8.1.5",
+        "vitest": "^5.0.1",
         "wink-eng-lite-web-model": "^1.8.1",
         "wink-nlp": "^2.4.0"
       }
@@ -1562,9 +1563,6 @@
       "cpu": [
         "arm"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "LGPL-3.0-or-later",
       "optional": true,
       "os": [
@@ -1581,9 +1579,6 @@
       "cpu": [
         "arm64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "LGPL-3.0-or-later",
       "optional": true,
       "os": [
@@ -1600,9 +1595,6 @@
       "cpu": [
         "ppc64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "LGPL-3.0-or-later",
       "optional": true,
       "os": [
@@ -1619,9 +1611,6 @@
       "cpu": [
         "riscv64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "LGPL-3.0-or-later",
       "optional": true,
       "os": [
@@ -1638,9 +1627,6 @@
       "cpu": [
         "s390x"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "LGPL-3.0-or-later",
       "optional": true,
       "os": [
@@ -1657,9 +1643,6 @@
       "cpu": [
         "x64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "LGPL-3.0-or-later",
       "optional": true,
       "os": [
@@ -1676,9 +1659,6 @@
       "cpu": [
         "arm64"
       ],
-      "libc": [
-        "musl"
-      ],
       "license": "LGPL-3.0-or-later",
       "optional": true,
       "os": [
@@ -1695,9 +1675,6 @@
       "cpu": [
         "x64"
       ],
-      "libc": [
-        "musl"
-      ],
       "license": "LGPL-3.0-or-later",
       "optional": true,
       "os": [
@@ -1714,9 +1691,6 @@
       "cpu": [
         "arm"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "Apache-2.0",
       "optional": true,
       "os": [
@@ -1739,9 +1713,6 @@
       "cpu": [
         "arm64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "Apache-2.0",
       "optional": true,
       "os": [
@@ -1764,9 +1735,6 @@
       "cpu": [
         "ppc64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "Apache-2.0",
       "optional": true,
       "os": [
@@ -1789,9 +1757,6 @@
       "cpu": [
         "riscv64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "Apache-2.0",
       "optional": true,
       "os": [
@@ -1814,9 +1779,6 @@
       "cpu": [
         "s390x"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "Apache-2.0",
       "optional": true,
       "os": [
@@ -1839,9 +1801,6 @@
       "cpu": [
         "x64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "Apache-2.0",
       "optional": true,
       "os": [
@@ -1864,9 +1823,6 @@
       "cpu": [
         "arm64"
       ],
-      "libc": [
-        "musl"
-      ],
       "license": "Apache-2.0",
       "optional": true,
       "os": [
@@ -1889,9 +1845,6 @@
       "cpu": [
         "x64"
       ],
-      "libc": [
-        "musl"
-      ],
       "license": "Apache-2.0",
       "optional": true,
       "os": [
@@ -2059,9 +2012,9 @@
       }
     },
     "node_modules/@jridgewell/sourcemap-codec": {
-      "version": "1.5.5",
-      "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.5.5.tgz",
-      "integrity": "sha512-cYQ9310grqxueWbl+WuIUIaiUaDcj7WOq5fVhEljNVgRfOUhY9fy2zTvfoqWsnebh8Sl70VScFbICvJnLKB0Og==",
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.6.0.tgz",
+      "integrity": "sha512-T7jf+5zgsZHwNJ4lvQ7/aezbyk0nNX+zJVWpmHA7VYsEx7a7qr5Rg5IbtJFqkgze5Y2sruq1RUY8Q837Od7iFw==",
       "dev": true,
       "license": "MIT"
     },
@@ -2269,9 +2222,6 @@
       "cpu": [
         "arm64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2288,9 +2238,6 @@
       "cpu": [
         "arm64"
       ],
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2307,9 +2254,6 @@
       "cpu": [
         "ppc64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2326,9 +2270,6 @@
       "cpu": [
         "s390x"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2345,9 +2286,6 @@
       "cpu": [
         "x64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2364,9 +2302,6 @@
       "cpu": [
         "x64"
       ],
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2534,9 +2469,6 @@
       "cpu": [
         "arm64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2553,9 +2485,6 @@
       "cpu": [
         "arm64"
       ],
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2572,9 +2501,6 @@
       "cpu": [
         "x64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2591,9 +2517,6 @@
       "cpu": [
         "x64"
       ],
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2820,9 +2743,6 @@
       "cpu": [
         "arm"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2843,9 +2763,6 @@
       "cpu": [
         "arm"
       ],
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2866,9 +2783,6 @@
       "cpu": [
         "arm64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2889,9 +2803,6 @@
       "cpu": [
         "arm64"
       ],
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2912,9 +2823,6 @@
       "cpu": [
         "x64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -2935,9 +2843,6 @@
       "cpu": [
         "x64"
       ],
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -3222,9 +3127,6 @@
         "arm64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -3242,9 +3144,6 @@
         "arm64"
       ],
       "dev": true,
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -3262,9 +3161,6 @@
         "ppc64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -3282,9 +3178,6 @@
         "s390x"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -3302,9 +3195,6 @@
         "x64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -3322,9 +3212,6 @@
         "x64"
       ],
       "dev": true,
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -3552,13 +3439,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/@standard-schema/spec": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/@standard-schema/spec/-/spec-1.1.0.tgz",
-      "integrity": "sha512-l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/@swc/core": {
       "version": "1.16.1",
       "resolved": "https://registry.npmjs.org/@swc/core/-/core-1.16.1.tgz",
@@ -3654,9 +3534,6 @@
       "cpu": [
         "arm64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "Apache-2.0 AND MIT",
       "optional": true,
       "os": [
@@ -3673,9 +3550,6 @@
       "cpu": [
         "arm64"
       ],
-      "libc": [
-        "musl"
-      ],
       "license": "Apache-2.0 AND MIT",
       "optional": true,
       "os": [
@@ -3692,9 +3566,6 @@
       "cpu": [
         "ppc64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "Apache-2.0 AND MIT",
       "optional": true,
       "os": [
@@ -3711,9 +3582,6 @@
       "cpu": [
         "s390x"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "Apache-2.0 AND MIT",
       "optional": true,
       "os": [
@@ -3730,9 +3598,6 @@
       "cpu": [
         "x64"
       ],
-      "libc": [
-        "glibc"
-      ],
       "license": "Apache-2.0 AND MIT",
       "optional": true,
       "os": [
@@ -3749,9 +3614,6 @@
       "cpu": [
         "x64"
       ],
-      "libc": [
-        "musl"
-      ],
       "license": "Apache-2.0 AND MIT",
       "optional": true,
       "os": [
@@ -3966,9 +3828,6 @@
         "arm64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -3986,9 +3845,6 @@
         "arm64"
       ],
       "dev": true,
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -4006,9 +3862,6 @@
         "x64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -4026,9 +3879,6 @@
         "x64"
       ],
       "dev": true,
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -5149,9 +4999,6 @@
         "arm64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -5166,9 +5013,6 @@
         "arm64"
       ],
       "dev": true,
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -5183,9 +5027,6 @@
         "loong64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -5200,9 +5041,6 @@
         "loong64"
       ],
       "dev": true,
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -5217,9 +5055,6 @@
         "ppc64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -5234,9 +5069,6 @@
         "riscv64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -5251,9 +5083,6 @@
         "riscv64"
       ],
       "dev": true,
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -5268,9 +5097,6 @@
         "s390x"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -5285,9 +5111,6 @@
         "x64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -5302,9 +5125,6 @@
         "x64"
       ],
       "dev": true,
-      "libc": [
-        "musl"
-      ],
       "license": "MIT",
       "optional": true,
       "os": [
@@ -5426,29 +5246,27 @@
       }
     },
     "node_modules/@vitest/coverage-v8": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/coverage-v8/-/coverage-v8-4.1.11.tgz",
-      "integrity": "sha512-8MVGEFnJIcdGjcbfKmeq8z0pZHH0JlVtoVZH9Q/qwUp6wyFnEJUBMrw9DCaj+ra3vShGmhavjalMIhPNxZAUcw==",
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/@vitest/coverage-v8/-/coverage-v8-5.0.1.tgz",
+      "integrity": "sha512-FRC8ACiudC3dI6MTplzRSYWHDRnIv2IPfbzs4FdoJNsMal/35sWV8hwIfV8ZcqzSPy+uXHeMVONt9CEqtOU17w==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@bcoe/v8-coverage": "^1.0.2",
-        "@vitest/utils": "4.1.11",
-        "ast-v8-to-istanbul": "^1.0.0",
-        "istanbul-lib-coverage": "^3.2.2",
-        "istanbul-lib-report": "^3.0.1",
-        "istanbul-reports": "^3.2.0",
-        "magicast": "^0.5.2",
-        "obug": "^2.1.1",
-        "std-env": "^4.0.0-rc.1",
-        "tinyrainbow": "^3.1.0"
+        "@vitest/istanbul-lib-coverage": "^1.0.0",
+        "@vitest/istanbul-lib-report": "^1.0.0",
+        "ast-v8-to-istanbul": "^1.0.5",
+        "magicast": "^0.5.4",
+        "obug": "^2.1.4",
+        "std-env": "^4.2.0",
+        "tinyrainbow": "^3.1.1"
       },
       "funding": {
         "url": "https://opencollective.com/vitest"
       },
       "peerDependencies": {
-        "@vitest/browser": "4.1.11",
-        "vitest": "4.1.11"
+        "@vitest/browser": "5.0.1",
+        "vitest": "5.0.1"
       },
       "peerDependenciesMeta": {
         "@vitest/browser": {
@@ -5456,90 +5274,40 @@
         }
       }
     },
-    "node_modules/@vitest/coverage-v8/node_modules/@vitest/pretty-format": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.1.11.tgz",
-      "integrity": "sha512-yiZzPbGTS9Sr/JpFl8zHrcIkAofNbFV6k21vIgQN/cY/oxZeXhJv5sc/MBJ5jFKWmWs+oJHw0UXLZjmf931+Vw==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "tinyrainbow": "^3.1.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
-      }
-    },
-    "node_modules/@vitest/coverage-v8/node_modules/@vitest/utils": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.1.11.tgz",
-      "integrity": "sha512-zTCVGpyFsGWBhllOyKlTw/vnr6D9qxsfSDyfbyZmTyjHw5N/VuvzHpHoQjm2ZJzn4RJgx5w4r7V0er69CmLgPQ==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@vitest/pretty-format": "4.1.11",
-        "convert-source-map": "^2.0.0",
-        "tinyrainbow": "^3.1.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
-      }
-    },
-    "node_modules/@vitest/expect": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/expect/-/expect-4.1.11.tgz",
-      "integrity": "sha512-VX2x5vNJXET47KAFzwERI+KRMtTTCSWTfSMKsW7JsUsXV4psq++e3DvZpuTDOpHcxytiDs6p2nhVb2tVDiiUYw==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@standard-schema/spec": "^1.1.0",
-        "@types/chai": "^5.2.2",
-        "@vitest/spy": "4.1.11",
-        "@vitest/utils": "4.1.11",
-        "chai": "^6.2.2",
-        "tinyrainbow": "^3.1.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
-      }
-    },
-    "node_modules/@vitest/expect/node_modules/@vitest/pretty-format": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.1.11.tgz",
-      "integrity": "sha512-yiZzPbGTS9Sr/JpFl8zHrcIkAofNbFV6k21vIgQN/cY/oxZeXhJv5sc/MBJ5jFKWmWs+oJHw0UXLZjmf931+Vw==",
+    "node_modules/@vitest/istanbul-lib-coverage": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@vitest/istanbul-lib-coverage/-/istanbul-lib-coverage-1.0.1.tgz",
+      "integrity": "sha512-k3DJZ8LhMBK9NS4SclF1ASD3OgXEWDorbIcPTRDK0/Zae6fRvu+fJRxtFdLfHsa9Y24beCdPnoNZ4LviTNstfA==",
       "dev": true,
       "license": "MIT",
-      "dependencies": {
-        "tinyrainbow": "^3.1.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
+      "engines": {
+        "node": ">=22"
       }
     },
-    "node_modules/@vitest/expect/node_modules/@vitest/utils": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.1.11.tgz",
-      "integrity": "sha512-zTCVGpyFsGWBhllOyKlTw/vnr6D9qxsfSDyfbyZmTyjHw5N/VuvzHpHoQjm2ZJzn4RJgx5w4r7V0er69CmLgPQ==",
+    "node_modules/@vitest/istanbul-lib-report": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@vitest/istanbul-lib-report/-/istanbul-lib-report-1.0.1.tgz",
+      "integrity": "sha512-1EOLRfsTMnyAr3+kEAsP4o9dhaDlGPpD7H5iLBBeq//YpNB1VIahkPhB+eRp9N2Dkfw8oySROjE3yf9XDeaIkQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/pretty-format": "4.1.11",
-        "convert-source-map": "^2.0.0",
-        "tinyrainbow": "^3.1.0"
+        "@vitest/istanbul-lib-coverage": "1.0.1"
       },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
+      "engines": {
+        "node": ">=22"
       }
     },
     "node_modules/@vitest/mocker": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-4.1.11.tgz",
-      "integrity": "sha512-2XJVD55d1o5AZous5CCGKS74g/riOj9odEt2bQpCVZeblHyHdnMeFl4jl0XjU21stf4mbjUkew2eXQZt65g5CQ==",
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-5.0.1.tgz",
+      "integrity": "sha512-6K1DoBNAPGvuOcSsGA4D6x+5zEEff/KmOOP3uetT2TrGpVfI+HRHRnJJfKi5ib/g1vx8IYHQD8s0pbJz8WQI7Q==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/spy": "4.1.11",
+        "@jridgewell/trace-mapping": "0.3.31",
+        "@vitest/spy": "5.0.1",
         "estree-walker": "^3.0.3",
-        "magic-string": "^0.30.21"
+        "magic-string": "^1.2.3"
       },
       "funding": {
         "url": "https://opencollective.com/vitest"
@@ -5557,96 +5325,20 @@
         }
       }
     },
-    "node_modules/@vitest/runner": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/runner/-/runner-4.1.11.tgz",
-      "integrity": "sha512-LztvUgdwMNJMIkj3hQnnxiC2Xy1zNxq928W/xhjCLaNCzqTZOudjwbQf6v9IntZGPw132i2Lq2rgTRZHD3JHNw==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@vitest/utils": "4.1.11",
-        "pathe": "^2.0.3"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
-      }
-    },
-    "node_modules/@vitest/runner/node_modules/@vitest/pretty-format": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.1.11.tgz",
-      "integrity": "sha512-yiZzPbGTS9Sr/JpFl8zHrcIkAofNbFV6k21vIgQN/cY/oxZeXhJv5sc/MBJ5jFKWmWs+oJHw0UXLZjmf931+Vw==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "tinyrainbow": "^3.1.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
-      }
-    },
-    "node_modules/@vitest/runner/node_modules/@vitest/utils": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.1.11.tgz",
-      "integrity": "sha512-zTCVGpyFsGWBhllOyKlTw/vnr6D9qxsfSDyfbyZmTyjHw5N/VuvzHpHoQjm2ZJzn4RJgx5w4r7V0er69CmLgPQ==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@vitest/pretty-format": "4.1.11",
-        "convert-source-map": "^2.0.0",
-        "tinyrainbow": "^3.1.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
-      }
-    },
-    "node_modules/@vitest/snapshot": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/snapshot/-/snapshot-4.1.11.tgz",
-      "integrity": "sha512-pN7ikn1ON7h8ee4gIAp4AzyK+zBtJPzVbqOgu5LCEh4VaJVbPQcgYQYJIMGQPXVeJJq1fnfazis7a5pFNPahog==",
+    "node_modules/@vitest/mocker/node_modules/magic-string": {
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-1.4.2.tgz",
+      "integrity": "sha512-vG+rjFRj1PqdIBozIxAGMjPlOhaVe+GXpbttY/iSK7rGcJRMlwNJO7dcUwmUqkymsFLJiNGI06t4D7Fr7yRC9g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/pretty-format": "4.1.11",
-        "@vitest/utils": "4.1.11",
-        "magic-string": "^0.30.21",
-        "pathe": "^2.0.3"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
-      }
-    },
-    "node_modules/@vitest/snapshot/node_modules/@vitest/pretty-format": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.1.11.tgz",
-      "integrity": "sha512-yiZzPbGTS9Sr/JpFl8zHrcIkAofNbFV6k21vIgQN/cY/oxZeXhJv5sc/MBJ5jFKWmWs+oJHw0UXLZjmf931+Vw==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "tinyrainbow": "^3.1.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
-      }
-    },
-    "node_modules/@vitest/snapshot/node_modules/@vitest/utils": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.1.11.tgz",
-      "integrity": "sha512-zTCVGpyFsGWBhllOyKlTw/vnr6D9qxsfSDyfbyZmTyjHw5N/VuvzHpHoQjm2ZJzn4RJgx5w4r7V0er69CmLgPQ==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@vitest/pretty-format": "4.1.11",
-        "convert-source-map": "^2.0.0",
-        "tinyrainbow": "^3.1.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
+        "@jridgewell/sourcemap-codec": "^1.6.0"
       }
     },
     "node_modules/@vitest/spy": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-4.1.11.tgz",
-      "integrity": "sha512-apNa/prQy2qCeywhnixOHPRCgGNhvg7T4Dapfl1GahLp/R+uhBm5cPyFoNVyqsNd2h1nJxL6BqqdIjiABL60YA==",
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-5.0.1.tgz",
+      "integrity": "sha512-rbto/mF/SGERxEgYOek7Xm6B9b+y+mVoo+f4b2LymYO8zM1b7uB5nHuhVMTP2hxdzgxvGiZYGxGIaMvL5y180Q==",
       "dev": true,
       "license": "MIT",
       "funding": {
@@ -7439,9 +7131,9 @@
       }
     },
     "node_modules/es-module-lexer": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/es-module-lexer/-/es-module-lexer-2.3.1.tgz",
-      "integrity": "sha512-shc1dbU90Yl/xq1QrC7QRtfcwURZuVRfPhZbDoldJ1cn1gzDvBaBWlv0eFolj5+0znnPJz5TXLxsN77X/12KTA==",
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/es-module-lexer/-/es-module-lexer-2.3.2.tgz",
+      "integrity": "sha512-poHGpORABojJJucnV9KbOavETW8lBVnphkW77ER5/BQ5Fz7oXSoCNek7IH3vR5nRjdsEz926ibFYX8KtLQmdyw==",
       "dev": true,
       "license": "MIT"
     },
@@ -8718,16 +8410,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/has-flag": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
-      "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/has-property-descriptors": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/has-property-descriptors/-/has-property-descriptors-1.0.2.tgz",
@@ -9111,13 +8793,6 @@
         "node": "^20.19.0 || ^22.12.0 || >=24.0.0"
       }
     },
-    "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-void-elements": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/html-void-elements/-/html-void-elements-3.0.0.tgz",
@@ -9875,45 +9550,6 @@
       "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==",
       "license": "ISC"
     },
-    "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"
-      }
-    },
-    "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/iterator.prototype": {
       "version": "1.1.5",
       "resolved": "https://registry.npmjs.org/iterator.prototype/-/iterator.prototype-1.1.5.tgz",
@@ -10373,9 +10009,6 @@
         "arm64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MPL-2.0",
       "optional": true,
       "os": [
@@ -10397,9 +10030,6 @@
         "arm64"
       ],
       "dev": true,
-      "libc": [
-        "musl"
-      ],
       "license": "MPL-2.0",
       "optional": true,
       "os": [
@@ -10421,9 +10051,6 @@
         "x64"
       ],
       "dev": true,
-      "libc": [
-        "glibc"
-      ],
       "license": "MPL-2.0",
       "optional": true,
       "os": [
@@ -10445,9 +10072,6 @@
         "x64"
       ],
       "dev": true,
-      "libc": [
-        "musl"
-      ],
       "license": "MPL-2.0",
       "optional": true,
       "os": [
@@ -10632,46 +10256,17 @@
       }
     },
     "node_modules/magicast": {
-      "version": "0.5.3",
-      "resolved": "https://registry.npmjs.org/magicast/-/magicast-0.5.3.tgz",
-      "integrity": "sha512-pVKE4UdSQ7DvHzivsCIFx2BJn1mHG6KsyrFcaxFx6tONdneEuThrDx0Cj3AMg58KyN4pzYT+LHOotxDQDjNvkw==",
+      "version": "0.5.5",
+      "resolved": "https://registry.npmjs.org/magicast/-/magicast-0.5.5.tgz",
+      "integrity": "sha512-UicdXN8zQ3JHlxVq+28afMXPr1z7WNY6+7EJnzTdQWkTAlMLF5fNCCKxJHBQwGaNGR11581EiQmQzx73+MvszA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@babel/parser": "^7.29.3",
-        "@babel/types": "^7.29.0",
+        "@babel/parser": "^7.29.7",
+        "@babel/types": "^7.29.7",
         "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/make-dir/node_modules/semver": {
-      "version": "7.8.5",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.8.5.tgz",
-      "integrity": "sha512-Y7/KDsb8LjooZpwaqGyulO6DQlksgCncchHGk+sZIY4SBvUocMBEFH5Ur1fI4dV+Jvl0w6cjvucaIi40puRioA==",
-      "dev": true,
-      "license": "ISC",
-      "bin": {
-        "semver": "bin/semver.js"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
     "node_modules/markdown-extensions": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/markdown-extensions/-/markdown-extensions-2.0.0.tgz",
@@ -12789,13 +12384,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/pathe": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/pathe/-/pathe-2.0.3.tgz",
-      "integrity": "sha512-WUjGcAqP1gQacoQe+OBJsFA7Ld4DyXuUIjZ5cc75cLHvJ7dtNsTugphxIADwspS+AraAUePCKrSVtPLFj/F88w==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/picocolors": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
@@ -14425,19 +14013,6 @@
       "integrity": "sha512-5Z9ZpRzfuH6l/UAvCPAPUo3665Nk2wLaZU3x+TLHKVzIz33+sbJqbtrYoC3KD4/uVOr2Zp+L0LySezP9OHV9yA==",
       "license": "MIT"
     },
-    "node_modules/supports-color": {
-      "version": "7.2.0",
-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
-      "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "has-flag": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/supports-preserve-symlinks-flag": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz",
@@ -14554,16 +14129,19 @@
       "license": "MIT"
     },
     "node_modules/tinybench": {
-      "version": "2.9.0",
-      "resolved": "https://registry.npmjs.org/tinybench/-/tinybench-2.9.0.tgz",
-      "integrity": "sha512-0+DUvqWMValLmha6lr4kD8iAMK1HzV0/aKnCtWb9v9641TnP/MFb7Pc2bxoxQjTXAErryXVgUOfv2YqNllqGeg==",
+      "version": "6.1.4",
+      "resolved": "https://registry.npmjs.org/tinybench/-/tinybench-6.1.4.tgz",
+      "integrity": "sha512-9APumHG7r4yOk4X4WlkmE71aZcv1gvin1czO3OQ1U9iJcFA5Ja/ygyb0vPOVHTthFozUYs8CLoLUlM8grb2lTQ==",
       "dev": true,
-      "license": "MIT"
+      "license": "MIT",
+      "engines": {
+        "node": ">=20.0.0"
+      }
     },
     "node_modules/tinyexec": {
-      "version": "1.2.4",
-      "resolved": "https://registry.npmjs.org/tinyexec/-/tinyexec-1.2.4.tgz",
-      "integrity": "sha512-SHf/r48b7vOrjve9PxJo3MN5v5yuyjHvdUcrQffT3WXMUfnGmHDVbC4k3sHJaJTgZCwpUplIaAo5ANtMyp3YHg==",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/tinyexec/-/tinyexec-1.3.0.tgz",
+      "integrity": "sha512-QKAl9m8gWWGHV8jZcPeym6j+XULi6tOf1mT83WYJ4Lk2ytW/uwAWkrP0uFsdoYMdueVJ0qs26wZ+23xeB4ibNQ==",
       "license": "MIT",
       "engines": {
         "node": ">=18"
@@ -15500,38 +15078,31 @@
       }
     },
     "node_modules/vitest": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/vitest/-/vitest-4.1.11.tgz",
-      "integrity": "sha512-fhACrNXUidIbGSBr5FlbuBkO7VWC1ZyLl0DO4CU2DrQoAPxX84Ysxs+HeGQpii5lZWV1Q4gBZTTu49mF+A6Edw==",
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/vitest/-/vitest-5.0.1.tgz",
+      "integrity": "sha512-iA95lQbKEkvrtTkdAgnWbXfbipWiiWe/hDl2P5tMi6WFwD76G0NxXAGp/M9EOcYupeGJRr6wppMc7CoA41TQjg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/expect": "4.1.11",
-        "@vitest/mocker": "4.1.11",
-        "@vitest/pretty-format": "4.1.11",
-        "@vitest/runner": "4.1.11",
-        "@vitest/snapshot": "4.1.11",
-        "@vitest/spy": "4.1.11",
-        "@vitest/utils": "4.1.11",
-        "es-module-lexer": "^2.0.0",
-        "expect-type": "^1.3.0",
-        "magic-string": "^0.30.21",
-        "obug": "^2.1.1",
-        "pathe": "^2.0.3",
-        "picomatch": "^4.0.3",
-        "std-env": "^4.0.0-rc.1",
-        "tinybench": "^2.9.0",
-        "tinyexec": "^1.0.2",
-        "tinyglobby": "^0.2.15",
-        "tinyrainbow": "^3.1.0",
-        "vite": "^6.0.0 || ^7.0.0 || ^8.0.0",
+        "@types/chai": "^5.2.2",
+        "@vitest/mocker": "5.0.1",
+        "chai": "^6.2.2",
+        "es-module-lexer": "^2.3.2",
+        "expect-type": "^1.4.0",
+        "magic-string": "^1.2.3",
+        "obug": "^2.1.4",
+        "picomatch": "^4.0.7",
+        "std-env": "^4.2.0",
+        "tinybench": "6.1.4",
+        "tinyexec": "1.3.0",
+        "tinyglobby": "^0.2.17",
         "why-is-node-running": "^2.3.0"
       },
       "bin": {
         "vitest": "vitest.mjs"
       },
       "engines": {
-        "node": "^20.0.0 || ^22.0.0 || >=24.0.0"
+        "node": "^22.12.0 || ^24.0.0 || >=26.0.0"
       },
       "funding": {
         "url": "https://opencollective.com/vitest"
@@ -15539,16 +15110,16 @@
       "peerDependencies": {
         "@edge-runtime/vm": "*",
         "@opentelemetry/api": "^1.9.0",
-        "@types/node": "^20.0.0 || ^22.0.0 || >=24.0.0",
-        "@vitest/browser-playwright": "4.1.11",
-        "@vitest/browser-preview": "4.1.11",
-        "@vitest/browser-webdriverio": "4.1.11",
-        "@vitest/coverage-istanbul": "4.1.11",
-        "@vitest/coverage-v8": "4.1.11",
-        "@vitest/ui": "4.1.11",
+        "@types/node": "^22.0.0 || >=24.0.0",
+        "@vitest/browser-playwright": "5.0.1",
+        "@vitest/browser-preview": "5.0.1",
+        "@vitest/browser-webdriverio": "^5.0.0-beta.5 || >=5.0.0",
+        "@vitest/coverage-istanbul": "5.0.1",
+        "@vitest/coverage-v8": "5.0.1",
+        "@vitest/ui": "5.0.1",
         "happy-dom": "*",
         "jsdom": "*",
-        "vite": "^6.0.0 || ^7.0.0 || ^8.0.0"
+        "vite": "^6.4.0 || ^7.0.0 || ^8.0.0"
       },
       "peerDependenciesMeta": {
         "@edge-runtime/vm": {
@@ -15589,38 +15160,20 @@
         }
       }
     },
-    "node_modules/vitest/node_modules/@vitest/pretty-format": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.1.11.tgz",
-      "integrity": "sha512-yiZzPbGTS9Sr/JpFl8zHrcIkAofNbFV6k21vIgQN/cY/oxZeXhJv5sc/MBJ5jFKWmWs+oJHw0UXLZjmf931+Vw==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "tinyrainbow": "^3.1.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
-      }
-    },
-    "node_modules/vitest/node_modules/@vitest/utils": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.1.11.tgz",
-      "integrity": "sha512-zTCVGpyFsGWBhllOyKlTw/vnr6D9qxsfSDyfbyZmTyjHw5N/VuvzHpHoQjm2ZJzn4RJgx5w4r7V0er69CmLgPQ==",
+    "node_modules/vitest/node_modules/magic-string": {
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-1.4.2.tgz",
+      "integrity": "sha512-vG+rjFRj1PqdIBozIxAGMjPlOhaVe+GXpbttY/iSK7rGcJRMlwNJO7dcUwmUqkymsFLJiNGI06t4D7Fr7yRC9g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/pretty-format": "4.1.11",
-        "convert-source-map": "^2.0.0",
-        "tinyrainbow": "^3.1.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
+        "@jridgewell/sourcemap-codec": "^1.6.0"
       }
     },
     "node_modules/vitest/node_modules/picomatch": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.5.tgz",
-      "integrity": "sha512-RvwwcruNjI1ncT5xRakeyS9Lf8lcItv34KD+aif+VH9kduAyfYBipGh12274xtenIPZ119/R9BdTBa8gAwSh0A==",
+      "version": "4.0.7",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.7.tgz",
+      "integrity": "sha512-qcJu88Q2IWqJsDD529JKMdwGm/dvInW4HvQnRwiH9JtihJvzGOscDtHE3x1pBKeUOTysQ8kVmLnJ2kJu7yhcGA==",
       "dev": true,
       "license": "MIT",
       "engines": {
diff --git a/package.json b/package.json
index 3789ac2..92ca48b 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "@types/react": "^19.2.18",
     "@types/react-dom": "^19.2.5",
     "@types/three": "^0.185.4",
-    "@vitest/coverage-v8": "4.1.11",
+    "@vitest/coverage-v8": "^5.0.1",
     "eslint": "^10",
     "eslint-config-next": "^16.3.5",
     "eslint-plugin-react": "^7.37.5",
@@ -61,7 +61,8 @@
     "tailwindcss": "^4",
     "tsx": "^4.23.15",
     "typescript": "^6",
-    "vitest": "^4.1.11",
+    "vite": "^8.1.5",
+    "vitest": "^5.0.1",
     "wink-eng-lite-web-model": "^1.8.1",
     "wink-nlp": "^2.4.0"
   },
diff --git a/src/__tests__/Mermaid.test.tsx b/src/__tests__/Mermaid.test.tsx
index 32ee212..1047e02 100644
--- a/src/__tests__/Mermaid.test.tsx
+++ b/src/__tests__/Mermaid.test.tsx
@@ -2,24 +2,35 @@ import { describe, it, expect, vi } from 'vitest'
 import { createElement } from 'react'
 import { renderToStaticMarkup } from 'react-dom/server'
 
+// mermaid is mocked because @/lib/Mermaid calls mermaid.initialize() at module
+// top level, and the real package reaches for browser globals on import.
+// The mock functions are declared with vi.hoisted so they exist before the
+// hoisted vi.mock factory runs, and the module under test is imported inside
+// each test rather than statically: vitest 5 evaluates static imports before
+// the mock is applied, which left initialize with zero recorded calls.
+const { initializeMock, runMock } = vi.hoisted(() => ({
+  initializeMock: vi.fn(),
+  runMock: vi.fn().mockResolvedValue(undefined),
+}))
+
 vi.mock('mermaid', () => ({
   default: {
-    initialize: vi.fn(),
-    run: vi.fn().mockResolvedValue(undefined),
+    initialize: initializeMock,
+    run: runMock,
   },
 }))
 
-import { MermaidComponent } from '@/lib/Mermaid'
-
 describe('MermaidComponent', () => {
-  it('returns null when children is an empty string', () => {
+  it('returns null when children is an empty string', async () => {
+    const { MermaidComponent } = await import('@/lib/Mermaid')
     const html = renderToStaticMarkup(
       createElement(MermaidComponent, { children: '' }),
     )
     expect(html).toBe('')
   })
 
-  it('renders a mermaid div with the dark-mode invert classes when a chart is provided', () => {
+  it('renders a mermaid div with the dark-mode invert classes when a chart is provided', async () => {
+    const { MermaidComponent } = await import('@/lib/Mermaid')
     const html = renderToStaticMarkup(
       createElement(MermaidComponent, { children: 'graph TD; A-->B;' }),
     )
@@ -30,8 +41,13 @@ describe('MermaidComponent', () => {
   })
 
   it('calls mermaid.initialize with startOnLoad disabled on module load', async () => {
-    const mermaid = (await import('mermaid')).default
-    expect(mermaid.initialize).toHaveBeenCalledWith({
+    // Earlier tests already imported the module, so its top-level side effect
+    // has run and the module is cached. Reset the registry and the mock so this
+    // test observes a fresh evaluation rather than a cached one.
+    vi.resetModules()
+    initializeMock.mockClear()
+    await import('@/lib/Mermaid')
+    expect(initializeMock).toHaveBeenCalledWith({
       startOnLoad: false,
       theme: 'default',
     })