refactor: 新建工单页面全高布局优化 — 参考查询页面风格

- 全高布局 h-[calc(100vh-3rem)]，去掉 max-w-6xl 限制
- 顶栏紧凑排列: 返回+标题+实例+数据库+定时+浏览+格式化+操作按钮
- 左侧 Schema 浏览面板(280px 可折叠)
- SQL 编辑器占满剩余空间
- 底部: 审核结果+变更原因(单行 input 替代 textarea)
- 按钮精简: 'SQL 检测' + '提交审批'，去掉冗长提示文案

frontend/src/pages/TicketCreatePage.tsx

@@ -657,180 +657,193 @@ export default function TicketCreatePage() {
   };
 
   /* ================================================================== */
-  /*  MAIN RENDER                                                         */
+  /*  MAIN RENDER — 全高布局，参考 QueriesPage                            */
   /* ================================================================== */
 
-  return (
+  const [showBrowser, setShowBrowser] = useState(true);
-    <div className="space-y-5 max-w-6xl mx-auto">
-      {/* Header */}
-      <div className="flex items-center gap-3">
-        <button onClick={() => navigate('/tickets')}
-          className="w-9 h-9 rounded-lg bg-[var(--dg-bg-secondary)] border border-[var(--dg-border)] flex items-center justify-center text-[var(--dg-text-secondary)] hover:text-[var(--dg-text-primary)] transition-all"
-          aria-label="返回工单列表">
-          <ChevronRight className="w-4 h-4 rotate-180" />
-        </button>
-        <h1 className="text-2xl font-semibold">新建数据变更工单</h1>
-      </div>
 
-      {/* Error */}
+  return (
-      {error && (
+    <div className="flex h-[calc(100vh-3rem)]">
-        <div className="flex items-center gap-2 text-sm text-red-400 bg-red-500/10 px-4 py-3 rounded-lg border border-red-500/20">
+      {/* ====== 左侧 Schema 浏览面板 ====== */}
-          <AlertTriangle className="w-4 h-4 shrink-0" /> <span>{error}</span>
+      {showBrowser && instanceId && database && (
+        <div className="w-[280px] shrink-0 border-r border-[var(--dg-border)] bg-[var(--dg-bg-secondary)] flex flex-col overflow-hidden">
+          <div className="flex items-center justify-between px-3 py-2.5 shrink-0">
+            <span className="text-xs font-semibold text-[var(--dg-text-secondary)]">库表浏览</span>
+            <button onClick={() => setShowBrowser(false)} className="text-[var(--dg-text-muted)] hover:text-[var(--dg-text-primary)]">
+              <ChevronRight className="w-4 h-4" />
+            </button>
+          </div>
+          <div className="flex-1 overflow-y-auto">
+            {renderBrowserPanel()}
+          </div>
         </div>
       )}
 
-      {/* === Form — single page === */}
+      {/* ====== 主区域 ====== */}
-      <div className="space-y-5 bg-[var(--dg-bg-secondary)] rounded-lg p-5">
+      <div className="flex-1 flex flex-col min-w-0 overflow-y-auto">
-        {/* Row 1: Title + Instance + Database */}
+
-        <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
+        {/* -- 顶栏 -- */}
-          <div>
+        <div className="flex items-center gap-3 px-4 py-2.5 border-b border-[var(--dg-border)] bg-[var(--dg-bg-secondary)] shrink-0 flex-wrap">
-            <label className="block text-sm font-medium mb-2">工单标题 <span className="text-red-400">*</span></label>
+          {/* 返回 */}
+          <button onClick={() => navigate('/tickets')}
+            className="w-7 h-7 rounded-md flex items-center justify-center text-[var(--dg-text-muted)] hover:text-[var(--dg-text-primary)] hover:bg-[var(--dg-bg-hover)] transition-all"
+            title="返回工单列表">
+            <ChevronRight className="w-4 h-4 rotate-180" />
+          </button>
+
+          {/* 工单标题 */}
           <input value={title} onChange={(e) => setTitle(e.target.value)}
-              className="w-full px-3 py-2 bg-[var(--dg-bg-primary)] border border-[var(--dg-border)] rounded-lg text-sm focus:outline-none focus:border-blue-500 transition-colors"
+            className="px-3 py-1.5 bg-[var(--dg-bg-tertiary)] border border-[var(--dg-border)] rounded-md text-sm focus:border-blue-400 focus:outline-none min-w-[180px] max-w-[280px]"
-              placeholder="如：用户表添加索引" />
+            placeholder="工单标题" />
-          </div>
+
-          <div>
+          {/* 实例 */}
-            <label className="block text-sm font-medium mb-2">目标实例 <span className="text-red-400">*</span></label>
           <select value={instanceId} onChange={(e) => setInstanceId(e.target.value)} disabled={loadingInstances}
-              className="w-full px-3 py-2 bg-[var(--dg-bg-primary)] border border-[var(--dg-border)] rounded-lg text-sm focus:outline-none focus:border-blue-500 transition-colors disabled:opacity-50">
+            className="px-3 py-1.5 bg-[var(--dg-bg-tertiary)] border border-[var(--dg-border)] rounded-md text-sm focus:border-blue-400 focus:outline-none min-w-[160px] disabled:opacity-50">
-              <option value="">{loadingInstances ? '加载中...' : instances.length === 0 ? '暂无变更授权实例' : '请选择实例'}</option>
+            <option value="">{loadingInstances ? '加载中...' : '选择实例'}</option>
             {instances.map((inst) => (
               <option key={inst.id} value={String(inst.id)}>
-                  {inst.name} ({inst.host}:{inst.port}) — {DB_TYPE_LABELS[inst.db_type] || inst.db_type}
+                {inst.name} ({DB_TYPE_LABELS[inst.db_type] || inst.db_type})
               </option>
             ))}
           </select>
-          </div>
+
-          <div>
+          {/* 数据库 */}
-            <label className="block text-sm font-medium mb-2">数据库 <span className="text-red-400">*</span></label>
           {isRedis ? (
             <select value={database} onChange={(e) => setDatabase(e.target.value)}
-                className="w-full px-3 py-2 bg-[var(--dg-bg-primary)] border border-[var(--dg-border)] rounded-lg text-sm focus:outline-none focus:border-blue-500 transition-colors">
+              className="px-3 py-1.5 bg-[var(--dg-bg-tertiary)] border border-[var(--dg-border)] rounded-md text-sm focus:border-blue-400 focus:outline-none w-24">
               {databases.length > 0 ? databases.map((db) => <option key={db} value={db}>{db}</option>) : <option value="db0">db0</option>}
             </select>
           ) : databases.length > 0 ? (
             <select value={database} onChange={(e) => setDatabase(e.target.value)} disabled={loadingDatabases}
-                className="w-full px-3 py-2 bg-[var(--dg-bg-primary)] border border-[var(--dg-border)] rounded-lg text-sm focus:outline-none focus:border-blue-500 transition-colors disabled:opacity-50">
+              className="px-3 py-1.5 bg-[var(--dg-bg-tertiary)] border border-[var(--dg-border)] rounded-md text-sm focus:border-blue-400 focus:outline-none min-w-[140px] disabled:opacity-50">
-                {loadingDatabases ? <option>加载中...</option> : databases.map((db) => <option key={db} value={db}>{db}</option>)}
+              <option value="">{loadingDatabases ? '加载中...' : '选择数据库'}</option>
+              {databases.map((db) => <option key={db} value={db}>{db}</option>)}
             </select>
           ) : (
             <input value={database} onChange={(e) => setDatabase(e.target.value)} disabled={!instanceId}
-                className="w-full px-3 py-2 bg-[var(--dg-bg-primary)] border border-[var(--dg-border)] rounded-lg text-sm focus:outline-none focus:border-blue-500 transition-colors disabled:opacity-50"
+              className="px-3 py-1.5 bg-[var(--dg-bg-tertiary)] border border-[var(--dg-border)] rounded-md text-sm focus:border-blue-400 focus:outline-none min-w-[140px] disabled:opacity-50"
-                placeholder={instanceId ? '请输入数据库名' : '请先选择实例'} />
+              placeholder={instanceId ? '数据库名' : '选择实例'} />
           )}
-          </div>
+
-        </div>
+          <div className="flex-1" />
 
           {/* 定时执行 */}
-        <div className="flex items-center gap-4">
+          <label className="flex items-center gap-1.5 cursor-pointer select-none text-xs text-[var(--dg-text-muted)]">
-          <label className="flex items-center gap-2 cursor-pointer select-none">
             <input type="checkbox" checked={enableSchedule} onChange={(e) => setEnableSchedule(e.target.checked)}
-              className="w-4 h-4 rounded border-[var(--dg-border)] bg-[var(--dg-bg-primary)] text-blue-500 focus:ring-blue-500 focus:ring-offset-0" />
+              className="w-3.5 h-3.5 rounded border-[var(--dg-border)] bg-[var(--dg-bg-primary)] text-blue-500 focus:ring-blue-500 focus:ring-offset-0" />
-            <Clock className="w-4 h-4 text-[var(--dg-text-muted)]" />
+            <Clock className="w-3.5 h-3.5" />
-            <span className="text-sm">定时执行</span>
+            定时
           </label>
           {enableSchedule && (
             <input type="datetime-local" value={scheduledAt} onChange={(e) => setScheduledAt(e.target.value)}
-              step="1"
+              step="1" min={new Date().toISOString().slice(0, 16)}
-              className="px-3 py-2 bg-[var(--dg-bg-primary)] border border-[var(--dg-border)] rounded-lg text-sm focus:outline-none focus:border-blue-500 transition-colors"
+              className="px-2 py-1 bg-[var(--dg-bg-tertiary)] border border-[var(--dg-border)] rounded-md text-xs focus:border-blue-400 focus:outline-none" />
-              min={new Date().toISOString().slice(0, 16)} />
           )}
-          {enableSchedule && scheduledAt && (
-            <span className="text-sm font-semibold text-red-500">
-              将于 {new Date(scheduledAt).toLocaleString('zh-CN')} 执行
-            </span>
-          )}
-        </div>
 
-        {/* SQL Editor + Browser Panel */}
+          {/* 浏览面板开关 */}
-        <div className="grid grid-cols-1 lg:grid-cols-5 gap-4">
+          {instanceId && database && (
-          <div className="lg:col-span-3 space-y-3">
+            <button onClick={() => setShowBrowser(!showBrowser)}
-            <div>
+              className={`flex items-center gap-1 px-2 py-1.5 text-xs font-medium rounded-md border transition-all ${
-              <div className="flex items-center justify-between mb-2">
+                showBrowser ? 'bg-blue-500/15 text-blue-400 border-blue-500/30' : 'text-[var(--dg-text-secondary)] bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)] hover:bg-[var(--dg-bg-hover)]'
-                <label className="block text-sm font-medium">SQL 语句 <span className="text-red-400">*</span></label>
+              }`}>
-                <div className="flex items-center gap-2">
+              <Database className="w-3.5 h-3.5" />
+              {showBrowser ? '隐藏' : '浏览'}
+            </button>
+          )}
+
+          {/* 格式化 */}
           <button onClick={handleFormatSQL} disabled={!sqlContent.trim()}
-                    className="flex items-center gap-1 px-2.5 py-1 text-xs font-medium text-blue-400 bg-blue-500/10 rounded-md hover:bg-blue-500/20 transition-colors disabled:opacity-40">
+            className="flex items-center gap-1 px-2.5 py-1.5 text-xs font-medium text-blue-400 bg-blue-500/10 rounded-md hover:bg-blue-500/20 transition-colors disabled:opacity-30">
-                    <Sparkles className="w-3 h-3" /> 格式化
+            <Sparkles className="w-3 h-3" />
+          </button>
+
+          {/* SQL 检测 */}
+          <button onClick={handleValidate}
+            disabled={validating || !sqlContent.trim() || !instanceId || !database}
+            className="flex items-center gap-1.5 px-3 py-1.5 text-xs font-medium border rounded-md transition-all disabled:opacity-30 bg-[var(--dg-bg-tertiary)] border-[var(--dg-border)] text-[var(--dg-text-primary)] hover:bg-[var(--dg-bg-hover)]">
+            {validating ? <Loader2 className="w-3.5 h-3.5 animate-spin" /> : <Shield className="w-3.5 h-3.5" />}
+            SQL 检测
+          </button>
+
+          {/* 提交审批 */}
+          <button onClick={handleSubmit}
+            disabled={submitting || !validated}
+            className="flex items-center gap-1.5 px-4 py-1.5 text-xs font-medium bg-gradient-to-r from-blue-500 to-purple-600 rounded-md text-white hover:opacity-90 disabled:opacity-40 transition-all">
+            {submitting ? <Loader2 className="w-3.5 h-3.5 animate-spin" /> : <Check className="w-3.5 h-3.5" />}
+            提交审批
           </button>
-                  <span className="text-xs text-[var(--dg-text-muted)]">
-                    {sqlContent.trim() ? sqlContent.trim().split(/;\s*/).filter(Boolean).length + ' 条语句' : ''}
-                  </span>
         </div>
+
+        {/* -- 定时执行提示 -- */}
+        {enableSchedule && scheduledAt && (
+          <div className="px-4 py-1.5 text-xs font-semibold text-red-500 bg-red-500/5 shrink-0">
+            定时执行：{new Date(scheduledAt).toLocaleString('zh-CN')}
           </div>
-              <SqlEditor value={sqlContent} onChange={handleSqlChange} language="sql" height="280px"
+        )}
+
+        {/* -- 错误 -- */}
+        {error && (
+          <div className="mx-4 mt-3 flex items-center gap-2 text-sm text-red-400 bg-red-500/10 px-3 py-2 rounded-lg border border-red-500/20">
+            <AlertTriangle className="w-4 h-4 shrink-0" />{error}
+          </div>
+        )}
+
+        {/* -- SQL 编辑器 -- */}
+        <div className="flex-1 min-h-0 p-4">
+          <div className="dg-card overflow-hidden h-full flex flex-col">
+            <SqlEditor value={sqlContent} onChange={handleSqlChange} language="sql"
+              height="100%"
               placeholder="请输入 SQL 变更语句，支持多条 SQL（以分号分隔）..." />
+            <div className="flex items-center justify-between px-3 py-1.5 bg-[var(--dg-bg-tertiary)] border-t border-[var(--dg-border)] text-[11px] text-[var(--dg-text-muted)] shrink-0">
+              <span>
+                {sqlContent.trim() ? sqlContent.trim().split(/;\s*/).filter(Boolean).length + ' 条语句 · ' : ''}
+                {sqlContent.length} 字符
+              </span>
+              <div className="flex items-center gap-2">
+                {validated && <span className="flex items-center gap-1 text-green-400"><Check className="w-3 h-3" />检测通过</span>}
+                <span className="px-1.5 py-0.5 rounded bg-[var(--dg-bg-primary)] border border-[var(--dg-border)]">Ctrl+Enter 格式化</span>
               </div>
             </div>
-          <div className="lg:col-span-2">
-            {renderBrowserPanel()}
           </div>
         </div>
 
-        {/* Reason */}
+        {/* -- 变更原因 + 审核结果（底部面板） -- */}
-        <div>
+        <div className="border-t border-[var(--dg-border)] bg-[var(--dg-bg-secondary)] shrink-0">
-          <label className="block text-sm font-medium mb-2">变更原因 <span className="text-red-400">*</span></label>
+          {/* 审核结果 */}
-          <textarea value={reason} onChange={(e) => setReason(e.target.value)}
-            className="w-full px-3 py-2 bg-[var(--dg-bg-primary)] border border-[var(--dg-border)] rounded-lg text-sm min-h-[80px] resize-y focus:outline-none focus:border-blue-500 transition-colors"
-            placeholder="请描述变更原因、影响范围、回滚方案等" />
-        </div>
-      </div>
-
-      {/* === Inline Audit Result === */}
           {auditResult && (
-        <div className="bg-[var(--dg-bg-secondary)] rounded-lg p-5 space-y-4">
+            <div className="px-4 py-2.5 space-y-2">
-          <div className="flex items-center justify-between">
+              <div className="flex items-center gap-3 text-xs">
-            <h3 className="text-base font-semibold flex items-center gap-2">
+                <span className="font-semibold flex items-center gap-1.5">
-              <Shield className="w-4 h-4 text-blue-400" /> SQL 审核结果
+                  <Shield className="w-3.5 h-3.5 text-blue-400" /> 审核结果
-            </h3>
+                </span>
-            <div className="flex items-center gap-3 text-sm">
                 {errorCount > 0 && <span className="text-red-400 font-medium">{errorCount} 错误</span>}
                 {warnCount > 0 && <span className="text-amber-400 font-medium">{warnCount} 警告</span>}
                 {infoCount > 0 && <span className="text-blue-400 font-medium">{infoCount} 提示</span>}
                 {errorCount === 0 && warnCount === 0 && infoCount === 0 && (
-                <span className="text-green-400 font-medium flex items-center gap-1"><Check className="w-4 h-4" /> 审核通过</span>
+                  <span className="text-green-400 font-medium flex items-center gap-1"><Check className="w-3.5 h-3.5" /> 通过</span>
                 )}
               </div>
-          </div>
-
               {auditResult.findings.length > 0 && (
-            <div className="space-y-2">
+                <div className="flex flex-wrap gap-1.5">
                   {auditResult.findings.map((f, idx) => (
-                <div key={idx} className={'flex items-start gap-3 p-3 rounded-lg ' + (LEVEL_COLOR[f.level] || '')}>
+                    <span key={idx} className={'inline-flex items-center gap-1 px-2 py-1 rounded text-[11px] ' + (LEVEL_COLOR[f.level] || '')}>
-                  <AlertTriangle className="w-4 h-4 mt-0.5 shrink-0" />
+                      <AlertTriangle className="w-3 h-3" />
-                  <div className="flex-1">
+                      {LEVEL_LABEL[f.level] || f.level}: {f.message}
-                    <div className="flex items-center gap-2 text-sm font-medium">
+                    </span>
-                      <span>{LEVEL_LABEL[f.level] || f.level}</span>
-                      <span className="opacity-60">·</span>
-                      <span className="font-mono text-xs opacity-80">{f.rule}</span>
-                    </div>
-                    <p className="text-sm opacity-80 mt-0.5">{f.message}</p>
-                  </div>
-                </div>
                   ))}
                 </div>
               )}
             </div>
           )}
 
-      {/* === Bottom Actions === */}
+          {/* 变更原因 */}
-      <div className="flex justify-end items-center gap-3">
+          <div className="px-4 py-2 flex items-center gap-3">
-        <button onClick={handleValidate}
+            <span className="text-xs text-[var(--dg-text-muted)] shrink-0">变更原因 <span className="text-red-400">*</span></span>
-          disabled={validating || !sqlContent.trim() || !instanceId || !database}
+            <input value={reason} onChange={(e) => setReason(e.target.value)}
-          className="flex items-center gap-2 px-5 py-2.5 bg-[var(--dg-bg-secondary)] border border-[var(--dg-border)] text-[var(--dg-text-primary)] rounded-lg text-sm font-medium transition-all hover:bg-[var(--dg-bg-hover)] disabled:opacity-40 disabled:cursor-not-allowed">
+              className="flex-1 px-3 py-1.5 bg-[var(--dg-bg-tertiary)] border border-[var(--dg-border)] rounded-md text-sm focus:border-blue-400 focus:outline-none"
-          {validating
+              placeholder="请描述变更原因、影响范围、回滚方案等" />
-            ? <><Loader2 className="w-4 h-4 animate-spin" /> 检测中...</>
+          </div>
-            : <><Shield className="w-4 h-4" /> SQL 检测</>}
+        </div>
-        </button>
-        <button onClick={handleSubmit}
-          disabled={submitting || !validated}
-          className="flex items-center gap-2 px-6 py-2.5 bg-blue-600 hover:bg-blue-700 text-white rounded-lg text-sm font-medium transition-all disabled:opacity-40 disabled:cursor-not-allowed">
-          {submitting
-            ? <><Loader2 className="w-4 h-4 animate-spin" /> 提交中...</>
-            : validated
-              ? <><Check className="w-4 h-4" /> 提交工单</>
-              : <><Check className="w-4 h-4" /> 请先通过 SQL 检测</>}
-        </button>
       </div>
     </div>
   );