diff --git a/inspect-ui/bun.lock b/inspect-ui/bun.lock
index fff0bad..e7ed313 100644
--- a/inspect-ui/bun.lock
+++ b/inspect-ui/bun.lock
@@ -10,6 +10,7 @@
         "react-router-dom": "^6.26.2",
       },
       "devDependencies": {
+        "@types/bun": "^1.3.13",
         "@types/react": "^18.3.5",
         "@types/react-dom": "^18.3.0",
         "@vitejs/plugin-react": "^4.3.1",
@@ -175,8 +176,12 @@
 
     "@types/babel__traverse": ["@types/babel__traverse@7.28.0", "", { "dependencies": { "@babel/types": "^7.28.2" } }, "sha512-8PvcXf70gTDZBgt9ptxJ8elBeBjcLOAcOtoO/mPJjtji1+CdGbHgm77om1GrsPxsiE+uXIpNSK64UYaIwQXd4Q=="],
 
+    "@types/bun": ["@types/bun@1.3.13", "", { "dependencies": { "bun-types": "1.3.13" } }, "sha512-9fqXWk5YIHGGnUau9TEi+qdlTYDAnOj+xLCmSTwXfAIqXr2x4tytJb43E9uCvt09zJURKXwAtkoH4nLQfzeTXw=="],
+
     "@types/estree": ["@types/estree@1.0.8", "", {}, "sha512-dWHzHa2WqEXI/O1E9OjrocMTKJl2mSrEolh1Iomrv6U+JuNwaHXsXx9bLu5gG7BUWFIN0skIQJQ/L1rIex4X6w=="],
 
+    "@types/node": ["@types/node@25.6.0", "", { "dependencies": { "undici-types": "~7.19.0" } }, "sha512-+qIYRKdNYJwY3vRCZMdJbPLJAtGjQBudzZzdzwQYkEPQd+PJGixUL5QfvCLDaULoLv+RhT3LDkwEfKaAkgSmNQ=="],
+
     "@types/prop-types": ["@types/prop-types@15.7.15", "", {}, "sha512-F6bEyamV9jKGAFBEmlQnesRPGOQqS2+Uwi0Em15xenOxHaf2hv6L8YCVn3rPdPJOiJfPiCnLIRyvwVaqMY3MIw=="],
 
     "@types/react": ["@types/react@18.3.28", "", { "dependencies": { "@types/prop-types": "*", "csstype": "^3.2.2" } }, "sha512-z9VXpC7MWrhfWipitjNdgCauoMLRdIILQsAEV+ZesIzBq/oUlxk0m3ApZuMFCXdnS4U7KrI+l3WRUEGQ8K1QKw=="],
@@ -189,6 +194,8 @@
 
     "browserslist": ["browserslist@4.28.2", "", { "dependencies": { "baseline-browser-mapping": "^2.10.12", "caniuse-lite": "^1.0.30001782", "electron-to-chromium": "^1.5.328", "node-releases": "^2.0.36", "update-browserslist-db": "^1.2.3" }, "bin": { "browserslist": "cli.js" } }, "sha512-48xSriZYYg+8qXna9kwqjIVzuQxi+KYWp2+5nCYnYKPTr0LvD89Jqk2Or5ogxz0NUMfIjhh2lIUX/LyX9B4oIg=="],
 
+    "bun-types": ["bun-types@1.3.13", "", { "dependencies": { "@types/node": "*" } }, "sha512-QXKeHLlOLqQX9LgYaHJfzdBaV21T63HhFJnvuRCcjZiaUDpbs5ED1MgxbMra71CsryN/1dAoXuJJJwIv/2drVA=="],
+
     "caniuse-lite": ["caniuse-lite@1.0.30001788", "", {}, "sha512-6q8HFp+lOQtcf7wBK+uEenxymVWkGKkjFpCvw5W25cmMwEDU45p1xQFBQv8JDlMMry7eNxyBaR+qxgmTUZkIRQ=="],
 
     "convert-source-map": ["convert-source-map@2.0.0", "", {}, "sha512-Kvp459HrV2FEJ1CAsi1Ku+MY3kasH19TFykTz2xWmMeq6bk2NU3XXvfJ+Q61m0xktWwt+1HSYf3JZsTms3aRJg=="],
@@ -247,6 +254,8 @@
 
     "typescript": ["typescript@5.9.3", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw=="],
 
+    "undici-types": ["undici-types@7.19.2", "", {}, "sha512-qYVnV5OEm2AW8cJMCpdV20CDyaN3g0AjDlOGf1OW4iaDEx8MwdtChUp4zu4H0VP3nDRF/8RKWH+IPp9uW0YGZg=="],
+
     "update-browserslist-db": ["update-browserslist-db@1.2.3", "", { "dependencies": { "escalade": "^3.2.0", "picocolors": "^1.1.1" }, "peerDependencies": { "browserslist": ">= 4.21.0" }, "bin": { "update-browserslist-db": "cli.js" } }, "sha512-Js0m9cx+qOgDxo0eMiFGEueWztz+d4+M3rGlmKPT+T4IS/jP4ylw3Nwpu6cpTTP8R1MAC1kF4VbdLt3ARf209w=="],
 
     "vite": ["vite@5.4.21", "", { "dependencies": { "esbuild": "^0.21.3", "postcss": "^8.4.43", "rollup": "^4.20.0" }, "optionalDependencies": { "fsevents": "~2.3.3" }, "peerDependencies": { "@types/node": "^18.0.0 || >=20.0.0", "less": "*", "lightningcss": "^1.21.0", "sass": "*", "sass-embedded": "*", "stylus": "*", "sugarss": "*", "terser": "^5.4.0" }, "optionalPeers": ["@types/node", "less", "lightningcss", "sass", "sass-embedded", "stylus", "sugarss", "terser"], "bin": { "vite": "bin/vite.js" } }, "sha512-o5a9xKjbtuhY6Bi5S3+HvbRERmouabWbyUcpXXUA1u+GNUKoROi9byOJ8M0nHbHYHkYICiMlqxkg1KkYmm25Sw=="],
diff --git a/inspect-ui/package.json b/inspect-ui/package.json
index dc933c8..04a266b 100644
--- a/inspect-ui/package.json
+++ b/inspect-ui/package.json
@@ -14,6 +14,7 @@
     "react-router-dom": "^6.26.2"
   },
   "devDependencies": {
+    "@types/bun": "^1.3.13",
     "@types/react": "^18.3.5",
     "@types/react-dom": "^18.3.0",
     "@vitejs/plugin-react": "^4.3.1",
diff --git a/inspect-ui/src/__tests__/api.test.ts b/inspect-ui/src/__tests__/api.test.ts
index 13af2a3..80235a6 100644
--- a/inspect-ui/src/__tests__/api.test.ts
+++ b/inspect-ui/src/__tests__/api.test.ts
@@ -1,16 +1,5 @@
 import { describe, it, expect } from "bun:test";
-import { htmlUrl, screenshotUrl } from "../api";
-
-describe("htmlUrl", () => {
-  it("encodes runId and name", () => {
-    expect(htmlUrl("run-1", "step-00001.html")).toBe(
-      "/api/runs/run-1/html/step-00001.html",
-    );
-    expect(htmlUrl("run with spaces", "after step.html")).toBe(
-      "/api/runs/run%20with%20spaces/html/after%20step.html",
-    );
-  });
-});
+import { screenshotUrl } from "../api";
 
 describe("screenshotUrl", () => {
   it("encodes runId and name", () => {
diff --git a/inspect-ui/tsconfig.json b/inspect-ui/tsconfig.json
index 23d1251..e6c4c6d 100644
--- a/inspect-ui/tsconfig.json
+++ b/inspect-ui/tsconfig.json
@@ -16,7 +16,7 @@
     "allowSyntheticDefaultImports": true,
     "forceConsistentCasingInFileNames": true,
     "useDefineForClassFields": true,
-    "types": ["vite/client"]
+    "types": ["vite/client", "bun"]
   },
   "include": ["src", "vite.config.ts"]
 }