fix: address remaining review findings (interface assertions, DismissReview ctx, import order, filepath param, spelling)

vcs/util_test.go

@@ -2,8 +2,8 @@ package vcs_test
 
 import (
 	"context"
-	"strings"
 	"fmt"
+	"strings"
 	"testing"
 
 	"gitea.weiker.me/rodin/review-bot/vcs"
@@ -306,7 +306,7 @@ func TestGetAllFilesInPath_ErrorPropagation(t *testing.T) {
 		}
 	})
 
-	t.Run("cancelled context propagates", func(t *testing.T) {
+	t.Run("canceled context propagates", func(t *testing.T) {
 		ctx, cancel := context.WithCancel(context.Background())
 		cancel() // Cancel immediately
 
@@ -322,9 +322,9 @@ func TestGetAllFilesInPath_ErrorPropagation(t *testing.T) {
 		}
 		_, err := vcs.GetAllFilesInPath(ctx, client, "owner", "repo", "src")
 		if err == nil {
-			t.Fatal("expected error from cancelled context, got nil")
+			t.Fatal("expected error from canceled context, got nil")
 		}
-		if !strings.Contains(err.Error(), "context cancelled") {
+		if !strings.Contains(err.Error(), "context canceled") {
 			t.Errorf("expected context cancellation error, got: %v", err)
 		}
 	})