diff --git a/backend/internal/handler/admin/setting_handler.go b/backend/internal/handler/admin/setting_handler.go
index 743c4268..4d4d5639 100644
--- a/backend/internal/handler/admin/setting_handler.go
+++ b/backend/internal/handler/admin/setting_handler.go
@@ -65,6 +65,9 @@ func (h *SettingHandler) GetSettings(c *gin.Context) {
 		FallbackModelAntigravity:     settings.FallbackModelAntigravity,
 		EnableIdentityPatch:          settings.EnableIdentityPatch,
 		IdentityPatchPrompt:          settings.IdentityPatchPrompt,
+		OpsMonitoringEnabled:         settings.OpsMonitoringEnabled,
+		OpsRealtimeMonitoringEnabled: settings.OpsRealtimeMonitoringEnabled,
+		OpsQueryModeDefault:          settings.OpsQueryModeDefault,
 	})
 }
 
@@ -110,6 +113,11 @@ type UpdateSettingsRequest struct {
 	// Identity patch configuration (Claude -> Gemini)
 	EnableIdentityPatch bool   `json:"enable_identity_patch"`
 	IdentityPatchPrompt string `json:"identity_patch_prompt"`
+
+	// Ops monitoring (vNext)
+	OpsMonitoringEnabled         *bool `json:"ops_monitoring_enabled"`
+	OpsRealtimeMonitoringEnabled *bool `json:"ops_realtime_monitoring_enabled"`
+	OpsQueryModeDefault          *string `json:"ops_query_mode_default"`
 }
 
 // UpdateSettings 更新系统设置
@@ -193,6 +201,24 @@ func (h *SettingHandler) UpdateSettings(c *gin.Context) {
 		FallbackModelAntigravity: req.FallbackModelAntigravity,
 		EnableIdentityPatch:      req.EnableIdentityPatch,
 		IdentityPatchPrompt:      req.IdentityPatchPrompt,
+		OpsMonitoringEnabled: func() bool {
+			if req.OpsMonitoringEnabled != nil {
+				return *req.OpsMonitoringEnabled
+			}
+			return previousSettings.OpsMonitoringEnabled
+		}(),
+		OpsRealtimeMonitoringEnabled: func() bool {
+			if req.OpsRealtimeMonitoringEnabled != nil {
+				return *req.OpsRealtimeMonitoringEnabled
+			}
+			return previousSettings.OpsRealtimeMonitoringEnabled
+		}(),
+		OpsQueryModeDefault: func() string {
+			if req.OpsQueryModeDefault != nil {
+				return *req.OpsQueryModeDefault
+			}
+			return previousSettings.OpsQueryModeDefault
+		}(),
 	}
 
 	if err := h.settingService.UpdateSettings(c.Request.Context(), settings); err != nil {
@@ -237,6 +263,9 @@ func (h *SettingHandler) UpdateSettings(c *gin.Context) {
 		FallbackModelAntigravity:     updatedSettings.FallbackModelAntigravity,
 		EnableIdentityPatch:          updatedSettings.EnableIdentityPatch,
 		IdentityPatchPrompt:          updatedSettings.IdentityPatchPrompt,
+		OpsMonitoringEnabled:         updatedSettings.OpsMonitoringEnabled,
+		OpsRealtimeMonitoringEnabled: updatedSettings.OpsRealtimeMonitoringEnabled,
+		OpsQueryModeDefault:          updatedSettings.OpsQueryModeDefault,
 	})
 }
 
@@ -337,6 +366,15 @@ func diffSettings(before *service.SystemSettings, after *service.SystemSettings,
 	if before.FallbackModelAntigravity != after.FallbackModelAntigravity {
 		changed = append(changed, "fallback_model_antigravity")
 	}
+	if before.OpsMonitoringEnabled != after.OpsMonitoringEnabled {
+		changed = append(changed, "ops_monitoring_enabled")
+	}
+	if before.OpsRealtimeMonitoringEnabled != after.OpsRealtimeMonitoringEnabled {
+		changed = append(changed, "ops_realtime_monitoring_enabled")
+	}
+	if before.OpsQueryModeDefault != after.OpsQueryModeDefault {
+		changed = append(changed, "ops_query_mode_default")
+	}
 	return changed
 }
 
diff --git a/backend/internal/service/setting_service.go b/backend/internal/service/setting_service.go
index 6ce8ba2b..1aea32be 100644
--- a/backend/internal/service/setting_service.go
+++ b/backend/internal/service/setting_service.go
@@ -7,6 +7,7 @@ import (
 	"errors"
 	"fmt"
 	"strconv"
+	"strings"
 
 	"github.com/Wei-Shaw/sub2api/internal/config"
 	infraerrors "github.com/Wei-Shaw/sub2api/internal/pkg/errors"
@@ -134,6 +135,11 @@ func (s *SettingService) UpdateSettings(ctx context.Context, settings *SystemSet
 	updates[SettingKeyEnableIdentityPatch] = strconv.FormatBool(settings.EnableIdentityPatch)
 	updates[SettingKeyIdentityPatchPrompt] = settings.IdentityPatchPrompt
 
+	// Ops monitoring (vNext)
+	updates[SettingKeyOpsMonitoringEnabled] = strconv.FormatBool(settings.OpsMonitoringEnabled)
+	updates[SettingKeyOpsRealtimeMonitoringEnabled] = strconv.FormatBool(settings.OpsRealtimeMonitoringEnabled)
+	updates[SettingKeyOpsQueryModeDefault] = string(ParseOpsQueryMode(settings.OpsQueryModeDefault))
+
 	return s.settingRepo.SetMultiple(ctx, updates)
 }
 
@@ -220,6 +226,11 @@ func (s *SettingService) InitializeDefaultSettings(ctx context.Context) error {
 		// Identity patch defaults
 		SettingKeyEnableIdentityPatch: "true",
 		SettingKeyIdentityPatchPrompt: "",
+
+		// Ops monitoring defaults (vNext)
+		SettingKeyOpsMonitoringEnabled:         "true",
+		SettingKeyOpsRealtimeMonitoringEnabled: "true",
+		SettingKeyOpsQueryModeDefault:          "auto",
 	}
 
 	return s.settingRepo.SetMultiple(ctx, defaults)
@@ -286,9 +297,23 @@ func (s *SettingService) parseSettings(settings map[string]string) *SystemSettin
 	}
 	result.IdentityPatchPrompt = settings[SettingKeyIdentityPatchPrompt]
 
+	// Ops monitoring settings (default: enabled, fail-open)
+	result.OpsMonitoringEnabled = !isFalseSettingValue(settings[SettingKeyOpsMonitoringEnabled])
+	result.OpsRealtimeMonitoringEnabled = !isFalseSettingValue(settings[SettingKeyOpsRealtimeMonitoringEnabled])
+	result.OpsQueryModeDefault = string(ParseOpsQueryMode(settings[SettingKeyOpsQueryModeDefault]))
+
 	return result
 }
 
+func isFalseSettingValue(value string) bool {
+	switch strings.ToLower(strings.TrimSpace(value)) {
+	case "false", "0", "off", "disabled":
+		return true
+	default:
+		return false
+	}
+}
+
 // getStringOrDefault 获取字符串值或默认值
 func (s *SettingService) getStringOrDefault(settings map[string]string, key, defaultValue string) string {
 	if value, ok := settings[key]; ok && value != "" {
diff --git a/backend/internal/service/settings_view.go b/backend/internal/service/settings_view.go
index de0331f7..e9d07bca 100644
--- a/backend/internal/service/settings_view.go
+++ b/backend/internal/service/settings_view.go
@@ -38,6 +38,11 @@ type SystemSettings struct {
 	// Identity patch configuration (Claude -> Gemini)
 	EnableIdentityPatch bool   `json:"enable_identity_patch"`
 	IdentityPatchPrompt string `json:"identity_patch_prompt"`
+
+	// Ops monitoring (vNext)
+	OpsMonitoringEnabled         bool
+	OpsRealtimeMonitoringEnabled bool
+	OpsQueryModeDefault          string
 }
 
 type PublicSettings struct {