feat: 模板适配层、易班能力与全局状态

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/utils/vconsole.ts

@@ -0,0 +1,21 @@
+/**
+ * vconsole 移动端调试工具
+ * 仅在开发环境的移动端启用
+ */
+function isMobileDevice() {
+	const userAgent = navigator.userAgent.toLowerCase();
+	const isMobileUA = /android|iphone|ipad|ipod|mobile/.test(userAgent);
+	const hasTouch = "ontouchstart" in window || navigator.maxTouchPoints > 0;
+
+	return isMobileUA || hasTouch;
+}
+
+if (import.meta.env.DEV && isMobileDevice()) {
+	void import("vconsole")
+		.then(({ default: VConsole }) => {
+			new VConsole();
+		})
+		.catch((error) => {
+			console.warn("[vconsole] failed to load", error);
+		});
+}