diff --git a/frontend/eslint.config.js b/frontend/eslint.config.js
index 7a801cd..71c172e 100644
--- a/frontend/eslint.config.js
+++ b/frontend/eslint.config.js
@@ -7,7 +7,12 @@ const compat = new FlatCompat({
 
 export default tseslint.config(
   {
-    ignores: [".next", "src/components/ui/**", "src/components/ai-elements/**"],
+    ignores: [
+      ".next",
+      "src/components/ui/**",
+      "src/components/ai-elements/**",
+      "*.js",
+    ],
   },
   ...compat.extends("next/core-web-vitals"),
   {
diff --git a/frontend/package.json b/frontend/package.json
index 082ab83..6e6f55a 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -8,10 +8,8 @@
     "build": "next build",
     "check": "next lint && tsc --noEmit",
     "dev": "next dev --turbo",
-    "format:check": "prettier --check \"**/*.{ts,tsx,js,jsx,mdx}\" --cache",
-    "format:write": "prettier --write \"**/*.{ts,tsx,js,jsx,mdx}\" --cache",
-    "lint": "next lint",
-    "lint:fix": "next lint --fix",
+    "lint": "eslint . --ext .ts,.tsx",
+    "lint:fix": "eslint . --ext .ts,.tsx --fix",
     "preview": "next build && next start",
     "start": "next start",
     "typecheck": "tsc --noEmit"
diff --git a/frontend/src/components/workspace/code-editor.tsx b/frontend/src/components/workspace/code-editor.tsx
index 2004f70..84c558c 100644
--- a/frontend/src/components/workspace/code-editor.tsx
+++ b/frontend/src/components/workspace/code-editor.tsx
@@ -2,7 +2,7 @@
 
 import { css } from "@codemirror/lang-css";
 import { html } from "@codemirror/lang-html";
-import { javascript, javascriptLanguage } from "@codemirror/lang-javascript";
+import { javascript } from "@codemirror/lang-javascript";
 import { json } from "@codemirror/lang-json";
 import { markdown, markdownLanguage } from "@codemirror/lang-markdown";
 import { python } from "@codemirror/lang-python";
@@ -13,9 +13,9 @@ import CodeMirror from "@uiw/react-codemirror";
 import { useTheme } from "next-themes";
 import { useMemo } from "react";
 
+import { Textarea } from "@/components/ui/textarea";
 import { cn } from "@/lib/utils";
 
-import { Textarea } from "../ui/textarea";
 import { useThread } from "./messages/context";
 const customDarkTheme = monokaiInit({
   settings: {
@@ -49,7 +49,7 @@ export function CodeEditor({
   readonly?: boolean;
   disabled?: boolean;
   autoFocus?: boolean;
-  settings?: any;
+  settings?: unknown;
 }) {
   const {
     thread: { isLoading },
@@ -98,10 +98,12 @@ export function CodeEditor({
           theme={resolvedTheme === "dark" ? customDarkTheme : customLightTheme}
           extensions={extensions}
           basicSetup={{
-            foldGutter: settings?.foldGutter ?? false,
+            foldGutter:
+              (settings as { foldGutter?: boolean })?.foldGutter ?? false,
             highlightActiveLine: false,
             highlightActiveLineGutter: false,
-            lineNumbers: settings?.lineNumbers ?? false,
+            lineNumbers:
+              (settings as { lineNumbers?: boolean })?.lineNumbers ?? false,
           }}
           autoFocus={autoFocus}
           value={value}
diff --git a/frontend/src/components/workspace/messages/message-list-item.tsx b/frontend/src/components/workspace/messages/message-list-item.tsx
index c9b094f..dc516a0 100644
--- a/frontend/src/components/workspace/messages/message-list-item.tsx
+++ b/frontend/src/components/workspace/messages/message-list-item.tsx
@@ -1,5 +1,5 @@
 import type { Message } from "@langchain/langgraph-sdk";
-import { ExternalLinkIcon, FileIcon, LinkIcon } from "lucide-react";
+import { ExternalLinkIcon, FileIcon } from "lucide-react";
 import { useParams } from "next/navigation";
 import { memo, useMemo } from "react";
 import rehypeKatex from "rehype-katex";
@@ -409,73 +409,6 @@ function UploadedFileCard({
   );
 }
 
-/**
- * Citations list component that displays all sources at the top
- */
-function CitationsList({ citations }: { citations: Citation[] }) {
-  if (citations.length === 0) return null;
-
-  return (
-    <div className="bg-muted/30 mb-4 rounded-lg border p-3">
-      <div className="text-muted-foreground mb-2 flex items-center gap-2 text-sm font-medium">
-        <LinkIcon className="size-4" />
-        <span>Sources ({citations.length})</span>
-      </div>
-      <div className="flex flex-wrap gap-2">
-        {citations.map((citation) => (
-          <CitationBadge key={citation.id} citation={citation} />
-        ))}
-      </div>
-    </div>
-  );
-}
-
-/**
- * Single citation badge in the citations list
- */
-function CitationBadge({ citation }: { citation: Citation }) {
-  const domain = extractDomainFromUrl(citation.url);
-
-  return (
-    <InlineCitationCard>
-      <HoverCardTrigger asChild>
-        <a
-          href={citation.url}
-          target="_blank"
-          rel="noopener noreferrer"
-          className="inline-flex"
-        >
-          <Badge
-            variant="secondary"
-            className="hover:bg-secondary/80 cursor-pointer gap-1 rounded-full px-2.5 py-1 text-xs font-normal"
-          >
-            {domain}
-            <ExternalLinkIcon className="size-3" />
-          </Badge>
-        </a>
-      </HoverCardTrigger>
-      <InlineCitationCardBody>
-        <div className="p-3">
-          <InlineCitationSource
-            title={citation.title}
-            url={citation.url}
-            description={citation.snippet}
-          />
-          <a
-            href={citation.url}
-            target="_blank"
-            rel="noopener noreferrer"
-            className="text-primary mt-2 inline-flex items-center gap-1 text-xs hover:underline"
-          >
-            Visit source
-            <ExternalLinkIcon className="size-3" />
-          </a>
-        </div>
-      </InlineCitationCardBody>
-    </InlineCitationCard>
-  );
-}
-
 /**
  * Citation link component that renders as a hover card badge
  */
diff --git a/frontend/src/core/uploads/api.ts b/frontend/src/core/uploads/api.ts
index dbef07d..3572551 100644
--- a/frontend/src/core/uploads/api.ts
+++ b/frontend/src/core/uploads/api.ts
@@ -51,8 +51,10 @@ export async function uploadFiles(
   );
 
   if (!response.ok) {
-    const error = await response.json().catch(() => ({ detail: "Upload failed" }));
-    throw new Error(error.detail || "Upload failed");
+    const error = await response
+      .json()
+      .catch(() => ({ detail: "Upload failed" }));
+    throw new Error(error.detail ?? "Upload failed");
   }
 
   return response.json();