feat(ops): make openai token stats optional

backend/internal/service/ops_settings.go

@@ -371,6 +371,7 @@ func defaultOpsAdvancedSettings() *OpsAdvancedSettings {
 		IgnoreCountTokensErrors:   true,  // count_tokens 404 是预期行为，默认忽略
 		IgnoreContextCanceled:     true,  // Default to true - client disconnects are not errors
 		IgnoreNoAvailableAccounts: false, // Default to false - this is a real routing issue
+		DisplayOpenAITokenStats:   false,
 		AutoRefreshEnabled:        false,
 		AutoRefreshIntervalSec:    30,
 	}

backend/internal/service/ops_settings_advanced_test.go

@@ -0,0 +1,46 @@
+package service
+
+import (
+	"context"
+	"testing"
+)
+
+func TestGetOpsAdvancedSettings_DefaultHidesOpenAITokenStats(t *testing.T) {
+	repo := newRuntimeSettingRepoStub()
+	svc := &OpsService{settingRepo: repo}
+
+	cfg, err := svc.GetOpsAdvancedSettings(context.Background())
+	if err != nil {
+		t.Fatalf("GetOpsAdvancedSettings() error = %v", err)
+	}
+	if cfg.DisplayOpenAITokenStats {
+		t.Fatalf("DisplayOpenAITokenStats = true, want false by default")
+	}
+	if repo.setCalls != 1 {
+		t.Fatalf("expected defaults to be persisted once, got %d", repo.setCalls)
+	}
+}
+
+func TestUpdateOpsAdvancedSettings_PersistsOpenAITokenStatsVisibility(t *testing.T) {
+	repo := newRuntimeSettingRepoStub()
+	svc := &OpsService{settingRepo: repo}
+
+	cfg := defaultOpsAdvancedSettings()
+	cfg.DisplayOpenAITokenStats = true
+
+	updated, err := svc.UpdateOpsAdvancedSettings(context.Background(), cfg)
+	if err != nil {
+		t.Fatalf("UpdateOpsAdvancedSettings() error = %v", err)
+	}
+	if !updated.DisplayOpenAITokenStats {
+		t.Fatalf("DisplayOpenAITokenStats = false, want true")
+	}
+
+	reloaded, err := svc.GetOpsAdvancedSettings(context.Background())
+	if err != nil {
+		t.Fatalf("GetOpsAdvancedSettings() after update error = %v", err)
+	}
+	if !reloaded.DisplayOpenAITokenStats {
+		t.Fatalf("reloaded DisplayOpenAITokenStats = false, want true")
+	}
+}

backend/internal/service/ops_settings_models.go

@@ -98,6 +98,7 @@ type OpsAdvancedSettings struct {
 	IgnoreContextCanceled     bool                     `json:"ignore_context_canceled"`
 	IgnoreNoAvailableAccounts bool                     `json:"ignore_no_available_accounts"`
 	IgnoreInvalidApiKeyErrors bool                     `json:"ignore_invalid_api_key_errors"`
+	DisplayOpenAITokenStats   bool                     `json:"display_openai_token_stats"`
 	AutoRefreshEnabled        bool                     `json:"auto_refresh_enabled"`
 	AutoRefreshIntervalSec    int                      `json:"auto_refresh_interval_seconds"`
 }