初始化 assetx 项目，首次提交

components/ThemeSwitch.tsx

@@ -0,0 +1,46 @@
+"use client";
+
+import { useApp } from "@/contexts/AppContext";
+
+export default function ThemeSwitch() {
+  const { theme, setTheme } = useApp();
+
+  const toggleTheme = () => {
+    setTheme(theme === "light" ? "dark" : "light");
+  };
+
+  return (
+    <button
+      onClick={toggleTheme}
+      className="bg-bg-surface dark:bg-gray-800 rounded-lg border border-border-normal dark:border-gray-700 px-3 py-2 flex items-center justify-center h-10 hover:bg-gray-50 dark:hover:bg-gray-700 transition-colors"
+    >
+      {theme === "light" ? (
+        <svg width="20" height="20" viewBox="0 0 20 20" fill="none">
+          <path
+            d="M10 15C12.7614 15 15 12.7614 15 10C15 7.23858 12.7614 5 10 5C7.23858 5 5 7.23858 5 10C5 12.7614 7.23858 15 10 15Z"
+            stroke="#111827"
+            strokeWidth="1.5"
+            strokeLinecap="round"
+            strokeLinejoin="round"
+          />
+          <path
+            d="M10 1V3M10 17V19M19 10H17M3 10H1M16.07 16.07L14.64 14.64M5.36 5.36L3.93 3.93M16.07 3.93L14.64 5.36M5.36 14.64L3.93 16.07"
+            stroke="#111827"
+            strokeWidth="1.5"
+            strokeLinecap="round"
+          />
+        </svg>
+      ) : (
+        <svg width="20" height="20" viewBox="0 0 20 20" fill="none">
+          <path
+            d="M17 10.79C16.8427 12.4922 16.1039 14.0754 14.9116 15.2662C13.7192 16.4571 12.1503 17.1913 10.4501 17.3464C8.74989 17.5016 7.04992 17.0676 5.63182 16.1159C4.21372 15.1642 3.15973 13.7534 2.63564 12.1102C2.11155 10.467 2.14637 8.68739 2.73477 7.06725C3.32317 5.44711 4.43113 4.07931 5.88616 3.18637C7.3412 2.29343 9.05859 1.93047 10.7542 2.15507C12.4498 2.37967 13.9989 3.17747 15.16 4.41"
+            stroke="#111827"
+            strokeWidth="1.5"
+            strokeLinecap="round"
+            strokeLinejoin="round"
+          />
+        </svg>
+      )}
+    </button>
+  );
+}