feat: add monitoring feature with backend API and frontend UI for settings.

backend/cmd/main.go

@@ -114,6 +114,10 @@ func startServer(cfg *config.Config) {
 	mux.HandleFunc("/api/team/status", api.CORS(api.HandleTeamProcessStatus))
 	mux.HandleFunc("/api/team/stop", api.CORS(api.HandleTeamProcessStop))
 
+	// 监控设置 API
+	mux.HandleFunc("/api/monitor/settings", api.CORS(api.HandleGetMonitorSettings))
+	mux.HandleFunc("/api/monitor/settings/save", api.CORS(api.HandleSaveMonitorSettings))
+
 	// 嵌入的前端静态文件
 	if web.IsEmbedded() {
 		webFS := web.GetFileSystem()

backend/internal/api/monitor.go

@@ -0,0 +1,94 @@
+package api
+
+import (
+	"encoding/json"
+	"net/http"
+	"strconv"
+
+	"codex-pool/internal/database"
+)
+
+// MonitorSettings 监控设置
+type MonitorSettings struct {
+	Target          int  `json:"target"`
+	AutoAdd         bool `json:"auto_add"`
+	MinInterval     int  `json:"min_interval"`
+	PollingEnabled  bool `json:"polling_enabled"`
+	PollingInterval int  `json:"polling_interval"`
+}
+
+// HandleGetMonitorSettings 获取监控设置
+func HandleGetMonitorSettings(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodGet {
+		Error(w, http.StatusMethodNotAllowed, "仅支持 GET")
+		return
+	}
+
+	if database.Instance == nil {
+		Error(w, http.StatusInternalServerError, "数据库未初始化")
+		return
+	}
+
+	settings := MonitorSettings{
+		Target:          50,
+		AutoAdd:         false,
+		MinInterval:     300,
+		PollingEnabled:  false,
+		PollingInterval: 60,
+	}
+
+	if val, _ := database.Instance.GetConfig("monitor_target"); val != "" {
+		if v, err := strconv.Atoi(val); err == nil {
+			settings.Target = v
+		}
+	}
+	if val, _ := database.Instance.GetConfig("monitor_auto_add"); val == "true" {
+		settings.AutoAdd = true
+	}
+	if val, _ := database.Instance.GetConfig("monitor_min_interval"); val != "" {
+		if v, err := strconv.Atoi(val); err == nil {
+			settings.MinInterval = v
+		}
+	}
+	if val, _ := database.Instance.GetConfig("monitor_polling_enabled"); val == "true" {
+		settings.PollingEnabled = true
+	}
+	if val, _ := database.Instance.GetConfig("monitor_polling_interval"); val != "" {
+		if v, err := strconv.Atoi(val); err == nil {
+			settings.PollingInterval = v
+		}
+	}
+
+	Success(w, settings)
+}
+
+// HandleSaveMonitorSettings 保存监控设置
+func HandleSaveMonitorSettings(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		Error(w, http.StatusMethodNotAllowed, "仅支持 POST")
+		return
+	}
+
+	if database.Instance == nil {
+		Error(w, http.StatusInternalServerError, "数据库未初始化")
+		return
+	}
+
+	var settings MonitorSettings
+	if err := json.NewDecoder(r.Body).Decode(&settings); err != nil {
+		Error(w, http.StatusBadRequest, "解析请求失败")
+		return
+	}
+
+	// 保存到数据库
+	database.Instance.SetConfig("monitor_target", strconv.Itoa(settings.Target))
+	database.Instance.SetConfig("monitor_auto_add", strconv.FormatBool(settings.AutoAdd))
+	database.Instance.SetConfig("monitor_min_interval", strconv.Itoa(settings.MinInterval))
+	database.Instance.SetConfig("monitor_polling_enabled", strconv.FormatBool(settings.PollingEnabled))
+	database.Instance.SetConfig("monitor_polling_interval", strconv.Itoa(settings.PollingInterval))
+
+	Success(w, map[string]interface{}{
+		"message":  "设置已保存",
+		"settings": settings,
+	})
+}