Improve update alert rule tool description

Author: alexander-akhmetov

tools/alerting_manage_rules_types.go

@@ -206,7 +206,7 @@ func (p ManageRulesReadParams) validate() error {
 
 // ManageRulesReadWriteParams is the param struct for the read-write version of alerting_manage_rules.
 type ManageRulesReadWriteParams struct {
-	Operation         string               `json:"operation" jsonschema:"required,enum=list,enum=get,enum=versions,enum=create,enum=update,enum=delete,description=The operation to perform: 'list'\\, 'get'\\, 'versions'\\, 'create'\\, 'update'\\, or 'delete'. To update a rule\\, first use 'get' to retrieve its full configuration\\, then 'update' with all required fields plus your changes."`
+	Operation         string               `json:"operation" jsonschema:"required,enum=list,enum=get,enum=versions,enum=create,enum=update,enum=delete,description=The operation to perform: 'list'\\, 'get'\\, 'versions'\\, 'create'\\, 'update'\\, or 'delete'. To create a rule\\, use operation 'create' and provide all required fields in a single call. To update a rule\\, first use 'get' to retrieve its full configuration\\, then 'update' with all required fields plus your changes."`
 	RuleUID           string               `json:"rule_uid,omitempty" jsonschema:"description=The UID of the alert rule (required for 'get'\\, 'versions'\\, 'update'\\, 'delete'; optional for 'create')"`
 	RuleLimit         int                  `json:"rule_limit,omitempty" jsonschema:"default=200,description=Maximum number of rules to return (default 200\\, max 200). Requires Grafana 12.4+ (for 'list' operation)"`
 	DatasourceUID     *string              `json:"datasource_uid,omitempty" jsonschema:"description=Optional: UID of a Prometheus or Loki datasource to query for datasource-managed alert rules (for 'list' operation)"`