feat: 统一配置文件管理 + Cron任务同步优化

- 新增配置导出/导入功能，支持一键下载和上传配置文件
- 配置文件包含：项目配置、外部服务、预警阈值、网页设置（对外IP、刷新间隔）
- 预警阈值和网页设置保存到服务器端，不再使用localStorage
- Cron任务同步改为清空旧任务，只同步当前账号实际存在的任务
- 新增API: /api/config/export, /api/config/import
- 新增API: /api/web-settings, /api/alerts (增强版)
- 优化前端：自动加载和保存网页设置

alert_config.json

@@ -0,0 +1,12 @@
+{
+  "thresholds": {
+    "cpu": 75,
+    "memory": 80,
+    "disk": 85,
+    "interval": 60
+  },
+  "web_settings": {
+    "external_ip": "121.40.164.32",
+    "refresh_interval": 30
+  }
+}

app.py

@@ -695,34 +695,34 @@ def api_cron_categories():
 
 @app.route('/api/cron/sync', methods=['POST'])
 def api_cron_sync():
-    """从系统 crontab 同步到数据库"""
+    """从系统 crontab 同步到数据库（清空旧的，只保留当前系统实际存在的）"""
     crons = get_system_crons()
     user_crons = [c for c in crons if c['source'] == 'user']
     
     db = get_db()
     c = db.cursor()
     
+    # 清空数据库中的旧任务
+    c.execute("DELETE FROM cron_history WHERE task_id IN (SELECT id FROM cron_tasks)")
+    c.execute("DELETE FROM cron_logs WHERE task_id IN (SELECT id FROM cron_tasks)")
+    c.execute("DELETE FROM cron_tasks")
+    
     synced_count = 0
     for cron in user_crons:
-        # 检查是否已存在
-        c.execute("SELECT id FROM cron_tasks WHERE expression = ? AND command = ?", (cron['expression'], cron['command']))
-        existing = c.fetchone()
+        # 尝试从命令推断分类和名称
+        name = guess_cron_name(cron['command'])
+        category = guess_cron_category(cron['command'])
         
-        if not existing:
-            # 尝试从命令推断分类和名称
-            name = guess_cron_name(cron['command'])
-            category = guess_cron_category(cron['command'])
-            
-            c.execute('''INSERT INTO cron_tasks (name, expression, command, description, category, enabled)
-                        VALUES (?, ?, ?, ?, ?, 1)''',
-                      (name, cron['expression'], cron['command'], '', category))
-            synced_count += 1
+        c.execute('''INSERT INTO cron_tasks (name, expression, command, description, category, enabled)
+                    VALUES (?, ?, ?, ?, ?, 1)''',
+                  (name, cron['expression'], cron['command'], '', category))
+        synced_count += 1
     
     db.commit()
     
-    log_message(f"从系统 crontab 同步了 {synced_count} 个任务")
+    log_message(f"从系统 crontab 同步了 {synced_count} 个任务（已清空旧任务）")
     
-    return jsonify({'message': f'同步完成，新增 {synced_count} 个任务'})
+    return jsonify({'message': f'同步完成，共 {synced_count} 个任务', 'count': synced_count})
 
 
 # ==================== 系统资源监控 API ====================
@@ -929,6 +929,181 @@ def get_next_run_time(expression):
         return '无法计算'
 
 
+# ==================== 配置管理 API ====================
+
+CONFIG_FILE = 'config.json'
+
+def load_full_config():
+    """加载完整配置（合并项目和预警配置）"""
+    # 加载 projects.json 完整数据
+    try:
+        with open(PROJECTS_FILE, 'r', encoding='utf-8') as f:
+            projects_data = json.load(f)
+    except:
+        projects_data = {'server': {}, 'projects': [], 'external_services': []}
+    
+    # 加载预警配置
+    alert_config = {}
+    if os.path.exists('alert_config.json'):
+        try:
+            with open('alert_config.json', 'r', encoding='utf-8') as f:
+                alert_config = json.load(f)
+        except:
+            pass
+    
+    # 合并配置
+    config = {
+        "version": "1.0",
+        "exported_at": datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
+        "server": projects_data.get('server', {}),
+        "projects": projects_data.get('projects', []),
+        "external_services": projects_data.get('external_services', []),
+        "web_settings": {
+            "external_ip": alert_config.get('web_settings', {}).get('external_ip', '121.40.164.32'),
+            "refresh_interval": alert_config.get('web_settings', {}).get('refresh_interval', 30)
+        },
+        "alerts": alert_config.get('alerts', alert_config)  # 支持两种结构
+    }
+    return config
+
+def save_full_config(config):
+    """保存完整配置"""
+    # 保存 projects 部分
+    projects_data = {
+        "server": config.get('server', {}),
+        "projects": config.get('projects', []),
+        "external_services": config.get('external_services', [])
+    }
+    with open(PROJECTS_FILE, 'w', encoding='utf-8') as f:
+        json.dump(projects_data, f, ensure_ascii=False, indent=2)
+    
+    # 保存预警配置和网页设置
+    alert_config = {
+        "web_settings": config.get('web_settings', {}),
+        "thresholds": config.get('alerts', {}).get('thresholds', config.get('alerts', {}))
+    }
+    with open('alert_config.json', 'w', encoding='utf-8') as f:
+        json.dump(alert_config, f, ensure_ascii=False, indent=2)
+    
+    return True
+
+@app.route('/api/config/export', methods=['GET'])
+def api_config_export():
+    """导出配置文件"""
+    try:
+        config = load_full_config()
+        return jsonify(config)
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+@app.route('/api/config/import', methods=['POST'])
+def api_config_import():
+    """导入配置文件"""
+    try:
+        config = request.get_json()
+        if not config:
+            return jsonify({'error': '无效的配置数据'}), 400
+        
+        # 验证配置结构
+        required_keys = ['server', 'projects']
+        for key in required_keys:
+            if key not in config:
+                return jsonify({'error': f'缺少必要字段: {key}'}), 400
+        
+        # 备份当前配置
+        backup_time = datetime.now().strftime('%Y%m%d_%H%M%S')
+        if os.path.exists(PROJECTS_FILE):
+            shutil.copy(PROJECTS_FILE, f'{PROJECTS_FILE}.bak.{backup_time}')
+        if os.path.exists('alert_config.json'):
+            shutil.copy('alert_config.json', f'alert_config.json.bak.{backup_time}')
+        
+        # 保存新配置
+        save_full_config(config)
+        
+        return jsonify({
+            'message': '配置导入成功',
+            'projects_count': len(config.get('projects', [])),
+            'services_count': len(config.get('external_services', []))
+        })
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+@app.route('/api/alerts', methods=['GET'])
+def api_get_alerts():
+    """获取预警配置"""
+    try:
+        if os.path.exists('alert_config.json'):
+            with open('alert_config.json', 'r', encoding='utf-8') as f:
+                return jsonify(json.load(f))
+        return jsonify({})
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+@app.route('/api/alerts', methods=['POST'])
+def api_save_alerts():
+    """保存预警配置"""
+    try:
+        config = request.get_json()
+        
+        # 加载现有配置
+        existing_config = {}
+        if os.path.exists('alert_config.json'):
+            try:
+                with open('alert_config.json', 'r', encoding='utf-8') as f:
+                    existing_config = json.load(f)
+            except:
+                pass
+        
+        # 合并配置（保留web_settings）
+        if 'thresholds' in config:
+            existing_config['thresholds'] = config['thresholds']
+        if 'web_settings' in config:
+            existing_config['web_settings'] = config['web_settings']
+        
+        with open('alert_config.json', 'w', encoding='utf-8') as f:
+            json.dump(existing_config, f, ensure_ascii=False, indent=2)
+        return jsonify({'message': '保存成功'})
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+@app.route('/api/web-settings', methods=['GET'])
+def api_get_web_settings():
+    """获取网页设置"""
+    try:
+        if os.path.exists('alert_config.json'):
+            with open('alert_config.json', 'r', encoding='utf-8') as f:
+                config = json.load(f)
+                web_settings = config.get('web_settings', {})
+                return jsonify(web_settings)
+        return jsonify({'external_ip': '121.40.164.32', 'refresh_interval': 30})
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+@app.route('/api/web-settings', methods=['POST'])
+def api_save_web_settings():
+    """保存网页设置"""
+    try:
+        settings = request.get_json()
+        
+        # 加载现有配置
+        existing_config = {}
+        if os.path.exists('alert_config.json'):
+            try:
+                with open('alert_config.json', 'r', encoding='utf-8') as f:
+                    existing_config = json.load(f)
+            except:
+                pass
+        
+        # 更新网页设置
+        existing_config['web_settings'] = settings
+        
+        with open('alert_config.json', 'w', encoding='utf-8') as f:
+            json.dump(existing_config, f, ensure_ascii=False, indent=2)
+        return jsonify({'message': '保存成功'})
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+
 # ==================== 邮件通知 API ====================
 
 @app.route('/api/email/send', methods=['POST'])
@@ -1261,11 +1436,18 @@ HTML_TEMPLATE = '''<!DOCTYPE html>
             <div class="flex items-center gap-3">
                 <div class="flex items-center gap-2">
                     <span class="text-gray-400 text-sm">对外IP:</span>
-                    <input type="text" id="externalIp" value="192.168.2.17" class="bg-gray-700 text-gray-200 px-2 py-1 rounded text-sm w-28" onchange="saveExternalIp()">
+                    <input type="text" id="externalIp" value="121.40.164.32" class="bg-gray-700 text-gray-200 px-2 py-1 rounded text-sm w-28" onchange="saveExternalIp()">
                 </div>
                 <button onclick="refreshAll()" class="btn bg-blue-600 hover:bg-blue-700 px-4 py-2 rounded-lg flex items-center gap-2">
                     <i class="ri-refresh-line"></i> 刷新
                 </button>
+                <button onclick="exportConfig()" class="btn bg-green-600 hover:bg-green-700 px-4 py-2 rounded-lg flex items-center gap-2">
+                    <i class="ri-download-line"></i> 导出配置
+                </button>
+                <label class="btn bg-purple-600 hover:bg-purple-700 px-4 py-2 rounded-lg flex items-center gap-2 cursor-pointer">
+                    <i class="ri-upload-line"></i> 导入配置
+                    <input type="file" accept=".json" onchange="importConfig(event)" class="hidden">
+                </label>
                 <div class="flex items-center gap-1">
                     <span class="text-gray-400 text-xs">间隔:</span>
                     <input type="number" id="refreshInterval" value="30" min="5" max="300" class="bg-gray-700 text-gray-200 px-2 py-1 rounded text-xs w-12" onchange="updateRefreshInterval()">
@@ -1962,24 +2144,50 @@ HTML_TEMPLATE = '''<!DOCTYPE html>
         }
 
         // 加载阈值设置
-        function loadThresholds() {
-            const saved = localStorage.getItem('systemThresholds');
-            if (saved) {
-                thresholds = JSON.parse(saved);
-                document.getElementById('thresholdCpu').value = thresholds.cpu || 80;
-                document.getElementById('thresholdMemory').value = thresholds.memory || 85;
-                document.getElementById('thresholdDisk').value = thresholds.disk || 90;
-                document.getElementById('thresholdInterval').value = thresholds.interval || 60;
+        async function loadThresholds() {
+            try {
+                const response = await fetch('/api/alerts');
+                const config = await response.json();
+                
+                if (config.thresholds) {
+                    thresholds = config.thresholds;
+                    document.getElementById('thresholdCpu').value = thresholds.cpu || 80;
+                    document.getElementById('thresholdMemory').value = thresholds.memory || 85;
+                    document.getElementById('thresholdDisk').value = thresholds.disk || 90;
+                    document.getElementById('thresholdInterval').value = thresholds.interval || 60;
+                }
+            } catch (e) {
+                console.error('加载阈值配置失败:', e);
             }
         }
         
         // 保存阈值设置
-        function saveThresholds() {
+        async function saveThresholds() {
             thresholds.cpu = parseInt(document.getElementById('thresholdCpu').value) || 80;
             thresholds.memory = parseInt(document.getElementById('thresholdMemory').value) || 85;
             thresholds.disk = parseInt(document.getElementById('thresholdDisk').value) || 90;
             thresholds.interval = parseInt(document.getElementById('thresholdInterval').value) || 60;
-            localStorage.setItem('systemThresholds', JSON.stringify(thresholds));
+            
+            try {
+                // 先获取现有配置
+                let config = {};
+                try {
+                    const response = await fetch('/api/alerts');
+                    config = await response.json();
+                } catch (e) {}
+                
+                // 更新阈值
+                config.thresholds = thresholds;
+                
+                // 保存到服务器
+                await fetch('/api/alerts', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify(config)
+                });
+            } catch (e) {
+                console.error('保存阈值配置失败:', e);
+            }
         }
         
         // 桌面通知开关（已在外部声明 desktopNotifyEnabled）
@@ -2278,9 +2486,19 @@ HTML_TEMPLATE = '''<!DOCTYPE html>
         }
 
         // IP 保存
-        function saveExternalIp() {
+        async function saveExternalIp() {
             externalIp = document.getElementById('externalIp').value.trim();
-            localStorage.setItem('externalIp', externalIp);
+            
+            try {
+                await fetch('/api/web-settings', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({ external_ip: externalIp, refresh_interval: parseInt(document.getElementById('refreshInterval').value) || 30 })
+                });
+            } catch (e) {
+                console.error('保存失败:', e);
+            }
+            
             renderProjects();
         }
 
@@ -3360,6 +3578,64 @@ HTML_TEMPLATE = '''<!DOCTYPE html>
             }
         }
 
+        // 导出配置
+        async function exportConfig() {
+            try {
+                const response = await fetch('/api/config/export');
+                const config = await response.json();
+                
+                // 创建下载文件
+                const blob = new Blob([JSON.stringify(config, null, 2)], { type: 'application/json' });
+                const url = URL.createObjectURL(blob);
+                const a = document.createElement('a');
+                a.href = url;
+                a.download = `project-panel-config-${new Date().toISOString().slice(0,10)}.json`;
+                document.body.appendChild(a);
+                a.click();
+                document.body.removeChild(a);
+                URL.revokeObjectURL(url);
+                
+                alert('配置导出成功！');
+            } catch (e) {
+                alert('导出失败: ' + e.message);
+            }
+        }
+
+        // 导入配置
+        async function importConfig(event) {
+            const file = event.target.files[0];
+            if (!file) return;
+            
+            if (!confirm('导入配置将覆盖当前所有设置，是否继续？')) {
+                event.target.value = '';
+                return;
+            }
+            
+            try {
+                const text = await file.text();
+                const config = JSON.parse(text);
+                
+                const response = await fetch('/api/config/import', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify(config)
+                });
+                
+                const result = await response.json();
+                
+                if (result.error) {
+                    alert('导入失败: ' + result.error);
+                } else {
+                    alert(`配置导入成功！\n项目数: ${result.projects_count}\n外部服务数: ${result.services_count}`);
+                    location.reload();
+                }
+            } catch (e) {
+                alert('导入失败: ' + e.message);
+            }
+            
+            event.target.value = '';
+        }
+
         function scrollToTop() { window.scrollTo({ top: 0, behavior: 'smooth' }); }
         function scrollToBottom() { window.scrollTo({ top: document.body.scrollHeight, behavior: 'smooth' }); }
 
@@ -3382,15 +3658,43 @@ HTML_TEMPLATE = '''<!DOCTYPE html>
 
         // 初始化
         loadProjects();
+        loadWebSettings(); // 加载网页设置
         
-        let refreshIntervalMs = parseInt(localStorage.getItem('refreshInterval') || '30') * 1000;
-        document.getElementById('refreshInterval').value = refreshIntervalMs / 1000;
+        let refreshIntervalMs = 30 * 1000; // 默认值
         let refreshTimer = setInterval(() => { if (currentTab === 'projects') loadProjects(); }, refreshIntervalMs);
         
+        // 加载网页设置
+        async function loadWebSettings() {
+            try {
+                const response = await fetch('/api/web-settings');
+                const settings = await response.json();
+                
+                if (settings.external_ip) {
+                    externalIp = settings.external_ip;
+                    document.getElementById('externalIp').value = settings.external_ip;
+                }
+                if (settings.refresh_interval) {
+                    document.getElementById('refreshInterval').value = settings.refresh_interval;
+                    clearInterval(refreshTimer);
+                    refreshIntervalMs = settings.refresh_interval * 1000;
+                    refreshTimer = setInterval(() => { if (currentTab === 'projects') loadProjects(); }, refreshIntervalMs);
+                }
+            } catch (e) {
+                console.error('加载网页设置失败:', e);
+            }
+        }
+        
         function updateRefreshInterval() {
             const seconds = Math.max(5, Math.min(300, parseInt(document.getElementById('refreshInterval').value) || 30));
             document.getElementById('refreshInterval').value = seconds;
-            localStorage.setItem('refreshInterval', seconds);
+            
+            // 保存到服务器
+            fetch('/api/web-settings', {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json' },
+                body: JSON.stringify({ external_ip: externalIp, refresh_interval: seconds })
+            }).catch(e => console.error('保存失败:', e));
+            
             clearInterval(refreshTimer);
             refreshTimer = setInterval(() => { if (currentTab === 'projects') loadProjects(); }, seconds * 1000);
         }

logs/app.log

@@ -30271,3 +30271,34 @@ Press CTRL+C to quit
 192.168.2.8 - - [24/Apr/2026 10:48:24] "GET /api/projects HTTP/1.1" 200 -
 127.0.0.1 - - [24/Apr/2026 10:48:27] "GET / HTTP/1.1" 200 -
 192.168.2.14 - - [24/Apr/2026 10:48:28] "GET /api/projects HTTP/1.1" 200 -
+[2026-06-01 11:53:42] ⚠️ 进程收到 SIGTERM 信号，即将退出!
+[2026-06-01 11:53:43] ==================================================
+[2026-06-01 11:53:43] 项目服务管理面板 v2.0.0 启动
+[2026-06-01 11:53:43] 访问地址: http://localhost:16022
+[2026-06-01 11:53:43] 进程PID: 776708
+[2026-06-01 11:53:43] ==================================================
+[2026-06-01 11:56:06] ⚠️ 进程收到 SIGTERM 信号，即将退出!
+[2026-06-01 11:56:07] ==================================================
+[2026-06-01 11:56:07] 项目服务管理面板 v2.0.0 启动
+[2026-06-01 11:56:07] 访问地址: http://localhost:16022
+[2026-06-01 11:56:07] 进程PID: 777176
+[2026-06-01 11:56:07] ==================================================
+[2026-06-01 12:01:26] ⚠️ 进程收到 SIGTERM 信号，即将退出!
+[2026-06-01 12:01:28] ==================================================
+[2026-06-01 12:01:28] 项目服务管理面板 v2.0.0 启动
+[2026-06-01 12:01:28] 访问地址: http://localhost:16022
+[2026-06-01 12:01:28] 进程PID: 778445
+[2026-06-01 12:01:28] ==================================================
+[2026-06-01 12:02:47] ⚠️ 进程收到 SIGTERM 信号，即将退出!
+[2026-06-01 12:02:49] ==================================================
+[2026-06-01 12:02:49] 项目服务管理面板 v2.0.0 启动
+[2026-06-01 12:02:49] 访问地址: http://localhost:16022
+[2026-06-01 12:02:49] 进程PID: 778757
+[2026-06-01 12:02:49] ==================================================
+[2026-06-01 12:11:08] ⚠️ 进程收到 SIGTERM 信号，即将退出!
+[2026-06-01 12:11:34] ==================================================
+[2026-06-01 12:11:34] 项目服务管理面板 v2.0.0 启动
+[2026-06-01 12:11:34] 访问地址: http://localhost:16022
+[2026-06-01 12:11:34] 进程PID: 780597
+[2026-06-01 12:11:34] ==================================================
+[2026-06-01 12:12:13] 从系统 crontab 同步了 0 个任务（已清空旧任务）

logs/pdf-translate-web.log

@@ -0,0 +1,6 @@
+
+==================================================
+[2026-06-01T11:59:52.266560] start
+Command: mkdir -p logs && nohup /home/hz1/miniconda3/envs/openclaw/bin/python3.12 app.py > logs/app.log 2>&1 & disown
+Directory: /home/openclaw/.openclaw/workspace-hz4th_coder/works/pdf-translate-web
+/bin/sh: 1: disown: not found