迁移聊天图片上传事件绑定

resources/js/chat-room/image-upload.js

@@ -0,0 +1,38 @@
+// 聊天室图片上传控件事件绑定，逐步替代 Blade 内联 onclick/onchange。
+
+let imageUploadEventsBound = false;
+
+/**
+ * 绑定聊天图片选择按钮与文件框事件。
+ *
+ * @returns {void}
+ */
+export function bindChatImageUploadControl() {
+    if (imageUploadEventsBound || typeof document === "undefined") {
+        return;
+    }
+
+    imageUploadEventsBound = true;
+    document.addEventListener("click", (event) => {
+        if (!(event.target instanceof Element)) {
+            return;
+        }
+
+        if (!event.target.closest("[data-chat-image-upload-trigger]")) {
+            return;
+        }
+
+        event.preventDefault();
+        document.getElementById("chat_image")?.click();
+    });
+
+    document.addEventListener("change", (event) => {
+        if (!(event.target instanceof HTMLInputElement) || event.target.id !== "chat_image") {
+            return;
+        }
+
+        if (typeof window.handleChatImageSelected === "function") {
+            window.handleChatImageSelected(event.target);
+        }
+    });
+}