fix: correct GetProperty bug, init to use .ax/, add default aliases, split e2e tests, add due date tests

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

src/service/node_service_impl.go

@@ -18,6 +18,21 @@ type nodeServiceImpl struct {
 
 var mentionRegex = regexp.MustCompile(`@([a-z0-9_]+)`)
 
+// parseDueDate converts a user-supplied date string to *time.Time.
+// Returns nil, nil for an empty string (clear/unset). Accepts "YYYY-MM-DD" or RFC3339.
+func parseDueDate(s string) (*time.Time, error) {
+	if s == "" {
+		return nil, nil
+	}
+	for _, layout := range []string{"2006-01-02", time.RFC3339} {
+		if t, err := time.Parse(layout, s); err == nil {
+			ut := t.UTC()
+			return &ut, nil
+		}
+	}
+	return nil, fmt.Errorf("invalid due date %q: expected YYYY-MM-DD", s)
+}
+
 func mentions(t string) []string {
 	seen := make(map[string]bool)
 	for _, m := range mentionRegex.FindAllStringSubmatch(t, -1) {
@@ -295,6 +310,11 @@ func (s *nodeServiceImpl) Add(input AddInput) (*models.Node, error) {
 		}
 	}
 
+	dueDate, err := parseDueDate(input.DueDate)
+	if err != nil {
+		return nil, err
+	}
+
 	id, err := s.store.GenerateID()
 	if err != nil {
 		return nil, err
@@ -302,7 +322,7 @@ func (s *nodeServiceImpl) Add(input AddInput) (*models.Node, error) {
 
 	err = s.store.Transaction(func(st store.GraphStore) error {
 		now := time.Now().UTC().Format(time.RFC3339)
-		if err := st.AddNode(id, input.Title, input.Content, input.DueDate, now, now); err != nil {
+		if err := st.AddNode(id, input.Title, input.Content, dueDate, now, now); err != nil {
 			return err
 		}
 
@@ -492,7 +512,12 @@ func (s *nodeServiceImpl) Update(id string, input UpdateInput) (*models.Node, er
 			return err
 		}
 
-		title, content, dueDate := current.Title, current.Content, current.DueDate
+		title, content := current.Title, current.Content
+		var dueDate *time.Time
+		if current.DueDate != nil {
+			t := current.DueDate.Time
+			dueDate = &t
+		}
 		if input.Title != nil {
 			title = *input.Title
 		}
@@ -500,7 +525,11 @@ func (s *nodeServiceImpl) Update(id string, input UpdateInput) (*models.Node, er
 			content = *input.Content
 		}
 		if input.DueDate != nil {
-			dueDate = *input.DueDate
+			parsed, err := parseDueDate(*input.DueDate)
+			if err != nil {
+				return err
+			}
+			dueDate = parsed
 		}
 
 		now := time.Now().UTC().Format(time.RFC3339)
@@ -774,7 +803,7 @@ func (s *nodeServiceImpl) ensureUser(st store.GraphStore, username string) (stri
 		return "", err
 	}
 	now := time.Now().UTC().Format(time.RFC3339)
-	if err := st.AddNode(id, username, "", "", now, now); err != nil {
+	if err := st.AddNode(id, username, "", nil, now, now); err != nil {
 		return "", err
 	}
 	if err := st.AddRel(id, "_type::user", ""); err != nil {
@@ -807,7 +836,7 @@ func (s *nodeServiceImpl) ensureNamespace(st store.GraphStore, name string) (str
 		return "", err
 	}
 	now := time.Now().UTC().Format(time.RFC3339)
-	if err := st.AddNode(id, name, "", "", now, now); err != nil {
+	if err := st.AddNode(id, name, "", nil, now, now); err != nil {
 		return "", err
 	}
 	if err := st.AddRel(id, "_type::namespace", ""); err != nil {