fix(security-policy): 修复策略保存时租户行更新时间与事件投递阻塞问题

调整策略保存时的租户表更新逻辑，显式赋值updated_at避免自动填充干扰
修改策略变更事件投递逻辑，失败时仅告警审计不阻塞主流程
新增租户无策略时加载模板初始化配置的逻辑，提升默认策略灵活性

server/internal/logic/sys/im_security_policy.go

@@ -179,9 +179,10 @@ func (s *sSysImSecurityPolicy) Save(ctx context.Context, in *sysin.ImSecurityPol
 			}
 		}
 		if tenantID > 0 {
-			// 上游已将商户配置并入 im_tenant 表，此处同步冗余开关与策略版本（商户行必然存在，无需补建）
+			// 上游已将商户配置并入 im_tenant 表，此处同步冗余开关与策略版本。
+			// updated_at 显式自赋值：抑制 gf 自动填充与 ON UPDATE CURRENT_TIMESTAMP，策略保存不 touch 商户行的更新人/时间
 			if _, cfgErr := tx.Model(dao.ImTenant.Table()).Safe().Ctx(ctx).Where(tc.Id, tenantID).
-				Data(g.Map{tc.SecurityPolicyVersion: version, tc.GlobalFriendEnabled: in.GlobalFriendEnabled, tc.MessageCurfewEnabled: in.MessageCurfewEnabled, tc.UpdatedAt: now, tc.UpdatedBy: operator}).Update(); cfgErr != nil {
+				Data(g.Map{tc.SecurityPolicyVersion: version, tc.GlobalFriendEnabled: in.GlobalFriendEnabled, tc.MessageCurfewEnabled: in.MessageCurfewEnabled, tc.UpdatedAt: gdb.Raw("updated_at")}).Update(); cfgErr != nil {
 				return cfgErr
 			}
 		}
@@ -191,9 +192,11 @@ func (s *sSysImSecurityPolicy) Save(ctx context.Context, in *sysin.ImSecurityPol
 		return 0, gerror.Wrap(err, "保存安全策略失败")
 	}
 	_ = writeImAdminAudit(ctx, tenantID, "im_security_policy_save", "im_security_policy", id, "success", g.Map{"version": version, "global_friend_enabled": in.GlobalFriendEnabled, "message_curfew_enabled": in.MessageCurfewEnabled})
-	// 保存即生效：投递策略变更事件，IM 端消费后失效策略缓存并回源拉取新配置
+	// 保存即生效：投递策略变更事件，IM 端消费后失效策略缓存并回源拉取新配置。
-	if err = publishImPolicyEvent(ctx, tenantID, tenantCode, "security.policy.updated", "security_policy", version); err != nil {
+	// 事件已持久化到 im_admin_outbox，立即投递失败仅告警+审计、由 outbox 重试续投，不阻塞已生效的保存结果
-		return id, err
+	if pubErr := publishImPolicyEvent(ctx, tenantID, tenantCode, "security.policy.updated", "security_policy", version); pubErr != nil {
+		g.Log().Warningf(ctx, "IM策略事件投递失败（outbox将重试）: tenant=%d version=%d err=%v", tenantID, version, pubErr)
+		_ = writeImAdminAudit(ctx, tenantID, "im_policy_event_publish", "im_security_policy", id, "failed", g.Map{"error": pubErr.Error(), "version": version})
 	}
 	return id, nil
 }
@@ -305,10 +308,31 @@ func (s *sSysImSecurityPolicy) SaveLoginLockoutConfig(ctx context.Context, in *s
 			return gerror.Wrap(err, "保存登录失败策略配置失败")
 		}
 		_ = writeImAdminAudit(ctx, tenantID, "im_security_policy_login_lockout_save", "im_security_policy", policyID, "success", g.Map{"enabled": in.Enabled, "password_max_attempts": in.PasswordMaxAttempts, "lock_minutes": in.LockMinutes, "window_minutes": in.WindowMinutes})
-		return publishImPolicyEvent(ctx, tenantID, tenantCode, "security.policy.updated", "security_policy", version)
+		if pubErr := publishImPolicyEvent(ctx, tenantID, tenantCode, "security.policy.updated", "security_policy", version); pubErr != nil {
+			g.Log().Warningf(ctx, "IM策略事件投递失败（outbox将重试）: tenant=%d version=%d err=%v", tenantID, version, pubErr)
+			_ = writeImAdminAudit(ctx, tenantID, "im_policy_event_publish", "im_security_policy", policyID, "failed", g.Map{"error": pubErr.Error(), "version": version})
+		}
+		return nil
 	}
-	// 租户尚无策略：保存默认策略，保存即生效并投递策略变更事件
+	// 租户尚无策略：按模板复制初始策略（模板未初始化时退回内置默认值），仅覆盖登录失败配置，保存即生效并投递策略变更事件
-	id, saveErr := s.Save(ctx, &sysin.ImSecurityPolicySaveInp{TenantId: tenantID, PolicyName: "默认安全策略", LoginRateLimit: gjson.New(value), GlobalFriendEnabled: 1, MessageCurfewEnabled: 0})
+	saveInp := &sysin.ImSecurityPolicySaveInp{TenantId: tenantID, PolicyName: "默认安全策略", LoginRateLimit: gjson.New(value), GlobalFriendEnabled: 1, MessageCurfewEnabled: 0}
+	tpl, tplErr := loadPolicyTemplateRow(imtenant.RegistryDB().Model(imPolicyTemplateTable).Safe().Ctx(ctx))
+	if tplErr != nil {
+		return gerror.Wrap(tplErr, "读取安全策略模板失败")
+	}
+	if tpl != nil {
+		saveInp.PolicyName = tpl["policy_name"].String()
+		saveInp.PasswordPolicy = gjson.New(tpl["password_policy"].String())
+		saveInp.SensitiveWordPolicy = gjson.New(tpl["sensitive_word_policy"].String())
+		saveInp.FileReviewPolicy = gjson.New(tpl["file_review_policy"].String())
+		saveInp.RealnamePolicy = gjson.New(tpl["realname_policy"].String())
+		saveInp.RiskChallengePolicy = gjson.New(tpl["risk_challenge_policy"].String())
+		saveInp.GlobalFriendEnabled = tpl["global_friend_enabled"].Int()
+		saveInp.FriendDisabledPolicy = gjson.New(tpl["friend_disabled_policy"].String())
+		saveInp.MessageCurfewEnabled = tpl["message_curfew_enabled"].Int()
+		saveInp.CurfewRules = templateCurfewRules(tpl)
+	}
+	id, saveErr := s.Save(ctx, saveInp)
 	if saveErr != nil {
 		return saveErr
 	}