fix: hide markdown emphasis markers in chat responses

dap-gateway/src/main/resources/static/chat.html

@@ -173,6 +173,10 @@
                  .replace(/'/g, "'");
         }
 
+        function removeMarkdownEmphasis(text) {
+            return text.replace(/\*\*/g, '');
+        }
+
         async function sendMessage() {
             const text = chatInput.value.trim();
             if (!text || isLoading) return;
@@ -205,6 +209,7 @@
                 // 5. 스트림 읽기
                 const reader = response.body.getReader();
                 const decoder = new TextDecoder("utf-8");
+                let responseText = '';
 
                 while (true) {
                     const { done, value } = await reader.read();
@@ -215,7 +220,8 @@
                     for (const line of lines) {
                         if (line.startsWith('data:')) {
                             const data = line.substring(5);
-                            textContainer.innerHTML += escapeHtml(data);
+                            responseText += data;
+                            textContainer.textContent = removeMarkdownEmphasis(responseText);
                             scrollToBottom();
                         }
                     }