Fix TypeScript build errors: unused vars and wrong import casing

Author: tomLadder

packages/web/src/editor/dock/dock-group.tsx

@@ -1,7 +1,7 @@
 import type { ReactNode } from "react";
 
 export function DockGroup({
-  label,
+  label: _label,
   children,
 }: {
   label: string;

packages/web/src/editor/top-chrome/theme-picker.tsx

@@ -30,7 +30,6 @@ export function ThemePicker() {
     return () => document.removeEventListener("mousedown", h);
   }, [open]);
 
-  const current = THEMES.find((t) => t.id === theme);
 
   return (
     <div className="relative" ref={ref}>

packages/web/src/main.tsx

@@ -7,7 +7,7 @@ import "@fontsource/inter/700.css";
 // @ts-expect-error — fontsource variable font CSS import
 import "@fontsource-variable/jetbrains-mono";
 import "./index.css";
-import { App } from "./app.tsx";
+import { App } from "./App.tsx";
 import { useEditorV2Store } from "./store/editor-store.ts";
 
 // Apply saved UI scale before first paint