feat(ops): allow hiding alert events

backend/internal/service/ops_settings.go

@@ -372,6 +372,7 @@ func defaultOpsAdvancedSettings() *OpsAdvancedSettings {
 		IgnoreContextCanceled:     true,  // Default to true - client disconnects are not errors
 		IgnoreNoAvailableAccounts: false, // Default to false - this is a real routing issue
 		DisplayOpenAITokenStats:   false,
+		DisplayAlertEvents:        true,
 		AutoRefreshEnabled:        false,
 		AutoRefreshIntervalSec:    30,
 	}
@@ -439,7 +440,7 @@ func (s *OpsService) GetOpsAdvancedSettings(ctx context.Context) (*OpsAdvancedSe
 		return nil, err
 	}
 
-	cfg := &OpsAdvancedSettings{}
+	cfg := defaultOpsAdvancedSettings()
 	if err := json.Unmarshal([]byte(raw), cfg); err != nil {
 		return defaultCfg, nil
 	}

backend/internal/service/ops_settings_advanced_test.go

@@ -2,6 +2,7 @@ package service
 
 import (
 	"context"
+	"encoding/json"
 	"testing"
 )
 
@@ -16,6 +17,9 @@ func TestGetOpsAdvancedSettings_DefaultHidesOpenAITokenStats(t *testing.T) {
 	if cfg.DisplayOpenAITokenStats {
 		t.Fatalf("DisplayOpenAITokenStats = true, want false by default")
 	}
+	if !cfg.DisplayAlertEvents {
+		t.Fatalf("DisplayAlertEvents = false, want true by default")
+	}
 	if repo.setCalls != 1 {
 		t.Fatalf("expected defaults to be persisted once, got %d", repo.setCalls)
 	}
@@ -27,6 +31,7 @@ func TestUpdateOpsAdvancedSettings_PersistsOpenAITokenStatsVisibility(t *testing
 
 	cfg := defaultOpsAdvancedSettings()
 	cfg.DisplayOpenAITokenStats = true
+	cfg.DisplayAlertEvents = false
 
 	updated, err := svc.UpdateOpsAdvancedSettings(context.Background(), cfg)
 	if err != nil {
@@ -35,6 +40,9 @@ func TestUpdateOpsAdvancedSettings_PersistsOpenAITokenStatsVisibility(t *testing
 	if !updated.DisplayOpenAITokenStats {
 		t.Fatalf("DisplayOpenAITokenStats = false, want true")
 	}
+	if updated.DisplayAlertEvents {
+		t.Fatalf("DisplayAlertEvents = true, want false")
+	}
 
 	reloaded, err := svc.GetOpsAdvancedSettings(context.Background())
 	if err != nil {
@@ -43,4 +51,47 @@ func TestUpdateOpsAdvancedSettings_PersistsOpenAITokenStatsVisibility(t *testing
 	if !reloaded.DisplayOpenAITokenStats {
 		t.Fatalf("reloaded DisplayOpenAITokenStats = false, want true")
 	}
+	if reloaded.DisplayAlertEvents {
+		t.Fatalf("reloaded DisplayAlertEvents = true, want false")
+	}
+}
+
+func TestGetOpsAdvancedSettings_BackfillsNewDisplayFlagsFromDefaults(t *testing.T) {
+	repo := newRuntimeSettingRepoStub()
+	svc := &OpsService{settingRepo: repo}
+
+	legacyCfg := map[string]any{
+		"data_retention": map[string]any{
+			"cleanup_enabled":               false,
+			"cleanup_schedule":              "0 2 * * *",
+			"error_log_retention_days":      30,
+			"minute_metrics_retention_days": 30,
+			"hourly_metrics_retention_days": 30,
+		},
+		"aggregation": map[string]any{
+			"aggregation_enabled": false,
+		},
+		"ignore_count_tokens_errors":    true,
+		"ignore_context_canceled":       true,
+		"ignore_no_available_accounts":  false,
+		"ignore_invalid_api_key_errors": false,
+		"auto_refresh_enabled":          false,
+		"auto_refresh_interval_seconds": 30,
+	}
+	raw, err := json.Marshal(legacyCfg)
+	if err != nil {
+		t.Fatalf("marshal legacy config: %v", err)
+	}
+	repo.values[SettingKeyOpsAdvancedSettings] = string(raw)
+
+	cfg, err := svc.GetOpsAdvancedSettings(context.Background())
+	if err != nil {
+		t.Fatalf("GetOpsAdvancedSettings() error = %v", err)
+	}
+	if cfg.DisplayOpenAITokenStats {
+		t.Fatalf("DisplayOpenAITokenStats = true, want false default backfill")
+	}
+	if !cfg.DisplayAlertEvents {
+		t.Fatalf("DisplayAlertEvents = false, want true default backfill")
+	}
 }

backend/internal/service/ops_settings_models.go

@@ -99,6 +99,7 @@ type OpsAdvancedSettings struct {
 	IgnoreNoAvailableAccounts bool                     `json:"ignore_no_available_accounts"`
 	IgnoreInvalidApiKeyErrors bool                     `json:"ignore_invalid_api_key_errors"`
 	DisplayOpenAITokenStats   bool                     `json:"display_openai_token_stats"`
+	DisplayAlertEvents        bool                     `json:"display_alert_events"`
 	AutoRefreshEnabled        bool                     `json:"auto_refresh_enabled"`
 	AutoRefreshIntervalSec    int                      `json:"auto_refresh_interval_seconds"`
 }