refactor: simplify service interface to use tags/rels for all node properties

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

cmd/update.go

@@ -1,6 +1,7 @@
 package cmd
 
 import (
+	"axolotl/models"
 	"axolotl/output"
 	"axolotl/service"
 	"fmt"
@@ -10,10 +11,11 @@ import (
 )
 
 var (
-	uTitle, uContent, uDue                               string
-	uClearDue                                            bool
-	uStatus, uPrio, uType, uNamespace, uAssignee         string
-	uAddTags, uRmTags, uAddRels, uRmRels                 []string
+	uTitle, uContent, uDue          string
+	uClearDue                       bool
+	uStatus, uPrio, uType           string
+	uNamespace, uAssignee           string
+	uAddTags, uRmTags, uAddRels, uRmRels []string
 )
 
 var updateCmd = &cobra.Command{
@@ -26,7 +28,7 @@ var updateCmd = &cobra.Command{
 		}
 
 		input := service.UpdateInput{
-			AddTags:    uAddTags,
+			AddTags:    append([]string{}, uAddTags...),
 			RemoveTags: uRmTags,
 		}
 
@@ -43,20 +45,22 @@ var updateCmd = &cobra.Command{
 			empty := ""
 			input.DueDate = &empty
 		}
+
+		// Shorthand flags expand to tags or rels.
+		if cmd.Flags().Changed("type") {
+			input.AddTags = append(input.AddTags, "_type::"+uType)
+		}
 		if cmd.Flags().Changed("status") {
-			input.Status = &uStatus
+			input.AddTags = append(input.AddTags, "_status::"+uStatus)
 		}
 		if cmd.Flags().Changed("prio") {
-			input.Priority = &uPrio
-		}
-		if cmd.Flags().Changed("type") {
-			input.Type = &uType
+			input.AddTags = append(input.AddTags, "_prio::"+uPrio)
 		}
 		if cmd.Flags().Changed("namespace") {
-			input.Namespace = &uNamespace
+			input.AddRels = append(input.AddRels, service.RelInput{Type: models.RelInNamespace, Target: uNamespace})
 		}
 		if cmd.Flags().Changed("assignee") {
-			input.Assignee = &uAssignee
+			input.AddRels = append(input.AddRels, service.RelInput{Type: models.RelAssignee, Target: uAssignee})
 		}
 
 		for _, r := range uAddRels {