diff --git a/webui2/src/apollo-client.d.ts b/webui2/src/apollo-client.d.ts
index 06ceeca075c1faee1a4e281e56a8973c69943798..fa2a050df6ca0aaf0be740200fb776d3c9181b84 100644
--- a/webui2/src/apollo-client.d.ts
+++ b/webui2/src/apollo-client.d.ts
@@ -1,3 +1,4 @@
+// oxlint-disable-next-line eslint-plugin-import(no-unassigned-import) -- declaration merging
 import "@apollo/client";
 import type { GraphQLCodegenDataMasking } from "@apollo/client/masking";
 
diff --git a/webui2/src/components/bugs/label-editor.stories.tsx b/webui2/src/components/bugs/label-editor.stories.tsx
index c44e6d3070d23b606480dbbbbff21576b09433d6..c7556b4d624f32200fc2d1fe603a890ecda0b01c 100644
--- a/webui2/src/components/bugs/label-editor.stories.tsx
+++ b/webui2/src/components/bugs/label-editor.stories.tsx
@@ -36,8 +36,6 @@ const allLabels = allLabelsData.map(
   (l) => ({ ...l, ...makeFragmentData(l, LABEL_FIELDS_FRAGMENT) }),
 );
 
-type LabelColor = { R: number; G: number; B: number };
-type BrandedLabel = (typeof allLabels)[number];
 
 function LabelEditorDemo() {
   const [currentNames, setCurrentNames] = useState<Set<string>>(
diff --git a/webui2/src/components/code/file-viewer.tsx b/webui2/src/components/code/file-viewer.tsx
index 8ed067b55af6f43cc638c7ed2840ff9dec705ba9..b795142c8730a7093a60c30ff6a930f80fb7c557 100644
--- a/webui2/src/components/code/file-viewer.tsx
+++ b/webui2/src/components/code/file-viewer.tsx
@@ -201,10 +201,9 @@ export function FileViewer({ blob: blobProp }: FileViewerProps) {
       let lang = "text";
       if (entry) {
         try {
-          const langModule = await entry.load();
-          await highlighter.loadLanguage(
-            langModule as Parameters<typeof highlighter.loadLanguage>[0],
-          );
+          // oxlint-disable-next-line typescript-eslint(no-unsafe-type-assertion) -- dynamic shiki language import
+          const langModule = (await entry.load()) as Parameters<typeof highlighter.loadLanguage>[0];
+          await highlighter.loadLanguage(langModule);
           lang = entry.id;
         } catch {
           // Language not available — fall back to plain text
@@ -220,9 +219,11 @@ export function FileViewer({ blob: blobProp }: FileViewerProps) {
         transformers: [lineNumberTransformer()],
       });
 
+      // oxlint-disable-next-line typescript-eslint(no-unsafe-assignment) -- hast-util-to-jsx-runtime returns JSX.Element
       const node = toJsxRuntime(hast, { Fragment, jsx, jsxs });
       const lineCount = blob.text!.split("\n").length;
 
+      // oxlint-disable-next-line typescript-eslint(no-unsafe-assignment) -- node is ReactNode from toJsxRuntime
       setHighlighted({ node, lineCount });
     })();
 
@@ -297,8 +298,8 @@ function CodeBlock({ selectedRange, onLineClick, children }: CodeBlockProps) {
     <div
       className={styles["code-block"]}
       onClick={(e) => {
-        const target = e.target as HTMLElement;
-        const lineEl = target.closest("[data-line-number]");
+        if (!(e.target instanceof HTMLElement)) return;
+        const lineEl = e.target.closest("[data-line-number]");
         if (lineEl) {
           e.preventDefault();
           const lineNum = parseInt(lineEl.getAttribute("data-line-number")!, 10);