1 files changed, 48 insertions, 1 deletions
diff --git a/internal/askcli/command_edit_test.go b/internal/askcli/command_edit_test.go
index 3f4b778..80cbd56 100644
--- a/internal/askcli/command_edit_test.go
+++ b/internal/askcli/command_edit_test.go
@@ -12,7 +12,7 @@ import (
 func stubEditorCapture(t *testing.T, content string, err error) {
 	t.Helper()
 	old := captureFromEditor
-	captureFromEditor = func() (string, error) {
+	captureFromEditor = func(initial []byte) (string, error) {
 		return content, err
 	}
 	t.Cleanup(func() { captureFromEditor = old })
@@ -49,6 +49,53 @@ func TestHandleEdit_Success(t *testing.T) {
 	}
 }
 
+func TestHandleEdit_ExistingTaskModifiesDescription(t *testing.T) {
+	now := useIsolatedTaskAliasCache(t)
+	writeTaskAliasCacheForTest(t, taskAliasCache{
+		NextID: 1,
+		Entries: []taskAliasCacheEntry{
+			{UUID: "existing-uuid", Alias: "0", CreatedAt: now},
+		},
+	})
+
+	var initialContent []byte
+	old := captureFromEditor
+	captureFromEditor = func(initial []byte) (string, error) {
+		initialContent = initial
+		return "updated description", nil
+	}
+	t.Cleanup(func() { captureFromEditor = old })
+
+	var capturedArgs []string
+	d := NewDispatcher(&spyRunner{runFn: func(ctx context.Context, args []string, stdin io.Reader, stdout, stderr io.Writer) (int, error) {
+		// First call: export to resolve selector. Subsequent: modify.
+		if len(args) >= 2 && args[1] == "export" {
+			_, _ = io.WriteString(stdout, `[{"uuid":"existing-uuid","description":"old description","status":"pending"}]`)
+			return 0, nil
+		}
+		capturedArgs = args
+		return 0, nil
+	}})
+
+	var stdout, stderr bytes.Buffer
+	code, _ := d.Dispatch(context.Background(), []string{"edit", "0"}, nil, &stdout, &stderr)
+	if code != 0 {
+		t.Fatalf("edit code = %d stderr = %q", code, stderr.String())
+	}
+	if string(initialContent) != "old description" {
+		t.Fatalf("editor initial content = %q, want old description", initialContent)
+	}
+	want := []string{"uuid:existing-uuid", "modify", "updated description"}
+	if len(capturedArgs) != len(want) {
+		t.Fatalf("modify args = %v, want %v", capturedArgs, want)
+	}
+	for i := range want {
+		if capturedArgs[i] != want[i] {
+			t.Fatalf("modify args = %v, want %v", capturedArgs, want)
+		}
+	}
+}
+
 func TestHandleEdit_EmptyContentAborts(t *testing.T) {
 	stubEditorCapture(t, "", nil)