diff --git a/package.json b/package.json
index 95c6773..8d72585 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,8 @@
   },
   "devDependencies": {
     "@antfu/eslint-config": "^6.2.0",
+    "@types/color-hash": "^2.0.0",
+    "@types/lodash-es": "^4.17.12",
     "@types/node": "^24.10.0",
     "@vitejs/plugin-vue": "^6.0.1",
     "@vue/tsconfig": "^0.8.1",
diff --git a/yarn.lock b/yarn.lock
index 99f91d1..41c033d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -694,6 +694,11 @@
   resolved "https://registry.yarnpkg.com/@tldraw/vec/-/vec-1.9.2.tgz#0b4719fd44dee57c414b82af8b38c2ccdbd27fef"
   integrity sha512-k9vH52MRpJHjVcaahWu6VqvhLeE9h1qL5Z2gLobS9zTMpUJ59kBQPNo0VPzPlDYBpXdS4GxuB4jYQMnKvuPAZg==
 
+"@types/color-hash@^2.0.0":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@types/color-hash/-/color-hash-2.0.0.tgz#0c2f0efbce6d9265e9db15bc5f0cb3017522c2ef"
+  integrity sha512-wVZU2AthjkuxcK8IQl2lpVzWZxu/nuOoQfEBv0cxsbV8mVlCiPExNaw9/Z1PBC0ostupYr8KbTmT2J4+qrOW7w==
+
 "@types/debug@^4.0.0":
   version "4.1.12"
   resolved "https://registry.yarnpkg.com/@types/debug/-/debug-4.1.12.tgz#a155f21690871953410df4b6b6f53187f0500917"
@@ -711,6 +716,18 @@
   resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.15.tgz#596a1747233694d50f6ad8a7869fcb6f56cf5841"
   integrity sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==
 
+"@types/lodash-es@^4.17.12":
+  version "4.17.12"
+  resolved "https://registry.yarnpkg.com/@types/lodash-es/-/lodash-es-4.17.12.tgz#65f6d1e5f80539aa7cfbfc962de5def0cf4f341b"
+  integrity sha512-0NgftHUcV4v34VhXm8QBSftKVXtbkBG3ViCjs6+eJ5a6y6Mi/jiFGPc1sC7QK+9BFhWrURE3EOggmWaSxL9OzQ==
+  dependencies:
+    "@types/lodash" "*"
+
+"@types/lodash@*":
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.17.21.tgz#b806831543d696b14f8112db600ea9d3a1df6ea4"
+  integrity sha512-FOvQ0YPD5NOfPgMzJihoT+Za5pdkDJWcbpuj1DjaKZIr/gxodQjY/uWEFlTNqW2ugXHUiL8lRQgw63dzKHZdeQ==
+
 "@types/mdast@^4.0.0":
   version "4.0.4"
   resolved "https://registry.yarnpkg.com/@types/mdast/-/mdast-4.0.4.tgz#7ccf72edd2f1aa7dd3437e180c64373585804dd6"