fix(largefunc): restore legacy full Find results

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

Author: tae2089

internal/analysis/largefunc/service.go

@@ -46,11 +46,17 @@ func New(db *gorm.DB) *Service {
 // @domainRule line count is computed as (end_line - start_line + 1) and must strictly exceed threshold
 // @see mcp.handlers.findLargeFunctions
 func (s *Service) Find(ctx context.Context, threshold int) ([]model.Node, error) {
-	page, err := s.FindPage(ctx, Options{Threshold: threshold, Page: paging.Request{Limit: paging.MaxLimit}})
-	if err != nil {
-		return nil, err
+	var nodes []model.Node
+	for offset := 0; ; offset += paging.MaxLimit {
+		page, err := s.FindPage(ctx, Options{Threshold: threshold, Page: paging.Request{Limit: paging.MaxLimit, Offset: offset}})
+		if err != nil {
+			return nil, err
+		}
+		nodes = append(nodes, page.Items...)
+		if !page.Pagination.HasMore {
+			return nodes, nil
+		}
 	}
-	return page.Items, nil
 }
 
 // FindPage returns a bounded page of functions and tests longer than the threshold.

internal/analysis/largefunc/service_test.go

@@ -137,6 +137,25 @@ func TestFind_OrderByLineCount(t *testing.T) {
 	}
 }
 
+func TestFind_ReturnsMoreThanMaxLimit(t *testing.T) {
+	db := setupDB(t)
+	for i := range make([]struct{}, paging.MaxLimit+1) {
+		seedNode(t, db, uint(i+1), fmt.Sprintf("Func%03d", i+1), model.NodeKindFunction, 1, 100+i)
+	}
+
+	svc := New(db)
+	got, err := svc.Find(context.Background(), 30)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(got) != paging.MaxLimit+1 {
+		t.Fatalf("expected %d, got %d", paging.MaxLimit+1, len(got))
+	}
+	if got[0].Name != "Func501" || got[len(got)-1].Name != "Func001" {
+		t.Fatalf("unexpected boundary order: first=%s last=%s", got[0].Name, got[len(got)-1].Name)
+	}
+}
+
 func TestFind_RespectsNamespace(t *testing.T) {
 	db := setupDB(t)
 	seedNodeNS(t, db, 1, "BigA", model.NodeKindFunction, 1, 100, "ns-a")