From 7661666dc18d4103dd369d26be92535101d818b3 Mon Sep 17 00:00:00 2001
From: byun <nulav@naver.com>
Date: Fri, 2 Jan 2026 22:01:01 +0000
Subject: [PATCH] =?UTF-8?q?=EB=AA=A8=EB=93=9C=EB=B3=80=EA=B2=BD=20defauly?=
 =?UTF-8?q?=20sync?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 index.h | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/index.h b/index.h
index 16e978d..3a15644 100644
--- a/index.h
+++ b/index.h
@@ -912,7 +912,7 @@ const char index_html[] PROGMEM = R"rawliteral(
                 </div>
                 <div class="status-card" id="mcp-mode-card">
                     <h3>MCP MODE</h3>
-                    <div class="value" id="mcp-mode-display">NORMAL</div>
+                    <div class="value" id="mcp-mode-display">LISTEN-ONLY</div>
                 </div>
                 <div class="status-card" id="file-status">
                     <h3>CURRENT FILE</h3>
@@ -948,8 +948,8 @@ const char index_html[] PROGMEM = R"rawliteral(
                 <div class="control-row">
                     <label for="mcp-mode">MCP2515 Mode:</label>
                     <select id="mcp-mode">
-                        <option value="0" selected>Normal (TX/RX + ACK)</option>
-                        <option value="1">Listen-Only (RX only, no ACK)</option>
+                        <option value="0">Normal (TX/RX + ACK)</option>
+                        <option value="1" selected>Listen-Only (RX only, no ACK)</option>
                         <option value="2">Loopback (Self-test)</option>
                         <option value="3">Transmit Only (no ACK, auto mode switch)</option>
                     </select>
@@ -1094,6 +1094,7 @@ const char index_html[] PROGMEM = R"rawliteral(
         let lastCanCounts = {};  // ★ 각 CAN ID별 마지막 count 저장
         const speedNames = {0: '125K', 1: '250K', 2: '500K', 3: '1M'};
         const modeNames = {0: 'NORMAL (TX/RX+ACK)', 1: 'LISTEN-ONLY (RX)', 2: 'LOOPBACK', 3: 'TRANSMIT-ONLY (TX)'};
+        let mcpModeSynced = false;  // 🆕 MCP 모드 최초 동기화 플래그
         let currentLoggingFile = '';
         let commentingFile = '';
         // hasInitialSync 제거 - 매번 자동 동기화
@@ -1180,6 +1181,7 @@ const char index_html[] PROGMEM = R"rawliteral(
                 console.log('WebSocket disconnected');
                 document.getElementById('sync-status').textContent = '연결 끊김';
                 document.getElementById('sync-status').style.color = '#f45c43';
+                mcpModeSynced = false;  // 🆕 재연결 시 다시 동기화하도록 플래그 리셋
                 setTimeout(initWebSocket, 3000);
             };
             
@@ -1354,9 +1356,14 @@ const char index_html[] PROGMEM = R"rawliteral(
                 document.getElementById('sync-count').textContent = '0';
             }
             
-            // MCP 모드
+            // MCP 모드 - 상태창과 드롭다운 모두 동기화
             if (data.mcpMode !== undefined) {
                 document.getElementById('mcp-mode-display').textContent = modeNames[data.mcpMode];
+                // 🆕 드롭다운은 최초 접속 시 한 번만 동기화 (이후 사용자 선택 유지)
+                if (!mcpModeSynced) {
+                    document.getElementById('mcp-mode').value = data.mcpMode;
+                    mcpModeSynced = true;
+                }
             }
             
             // 현재 파일