Feature: Add log search bar with prev/next/clear for m_CList_Message

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

server/2015Remote/LogSearchBar.h

@@ -0,0 +1,57 @@
+// LogSearchBar.h - 日志列表搜索条（嵌入式，固定在右侧）
+#pragma once
+#include <afxwin.h>
+#include <afxcmn.h>
+#include <vector>
+
+#define IDC_LOG_SEARCH_EDIT   5001
+#define IDC_LOG_SEARCH_PREV   5002
+#define IDC_LOG_SEARCH_NEXT   5003
+#define IDC_LOG_SEARCH_COUNT  5004
+#define IDC_LOG_SEARCH_CLEAR  5005
+
+class CLogSearchBar : public CWnd
+{
+public:
+    CLogSearchBar();
+    virtual ~CLogSearchBar();
+
+    // pParent: 主对话框; pList: 要搜索的 CListCtrl（m_CList_Message）
+    BOOL Create(CWnd* pParent, CListCtrl* pList);
+    void InvalidateSearch();
+
+    // 当前命中行的列表索引，无命中返回 -1（纯内存读）
+    int GetHighlightedRow() const {
+        if (m_nCurrentIndex < 0 || m_nCurrentIndex >= (int)m_Results.size()) return -1;
+        return m_Results[m_nCurrentIndex];
+    }
+
+protected:
+    CListCtrl*  m_pList = nullptr;
+    CEdit       m_editSearch;
+    CButton     m_btnPrev;
+    CButton     m_btnNext;
+    CButton     m_btnClear;
+    CStatic     m_staticCount;
+
+    std::vector<int> m_Results;     // 匹配行索引
+    int  m_nCurrentIndex = -1;
+
+    void DoSearch();
+    void GotoMatch(int idx);
+    void UpdateCountText();
+    void LayoutControls(int cx, int cy);
+
+    DECLARE_MESSAGE_MAP()
+    afx_msg int  OnCreate(LPCREATESTRUCT lpcs);
+    afx_msg void OnSize(UINT nType, int cx, int cy);
+    afx_msg BOOL OnEraseBkgnd(CDC* pDC);
+    afx_msg void OnTimer(UINT_PTR nIDEvent);
+    afx_msg void OnEnChangeSearch();
+    afx_msg void OnBnClickedPrev();
+    afx_msg void OnBnClickedNext();
+    afx_msg void OnBnClickedClear();
+
+    static const UINT TIMER_SEARCH    = 1;
+    static const UINT SEARCH_DELAY_MS = 400;
+};