fix registration enrollment of students

app/Services/EnrollmentTransitionService.php

@@ -707,7 +707,35 @@ final class EnrollmentTransitionService
             }
         }
 
-        return trim((string) ($student['school_year'] ?? '')) === $targetSchoolYear;
+        if ($this->db->fieldExists('school_year', 'students')) {
+            return trim((string) ($student['school_year'] ?? '')) === $targetSchoolYear;
+        }
+
+        return ! $this->studentHasPriorSchoolHistory($studentId, $targetSchoolYear);
+    }
+
+    private function studentHasPriorSchoolHistory(int $studentId, string $targetSchoolYear): bool
+    {
+        if ($studentId <= 0) {
+            return false;
+        }
+
+        foreach (['student_class', 'enrollments', 'student_decisions'] as $table) {
+            if (! $this->db->tableExists($table) || ! $this->db->fieldExists('school_year', $table)) {
+                continue;
+            }
+
+            $count = $this->db->table($table)
+                ->where('student_id', $studentId)
+                ->where('school_year !=', $targetSchoolYear)
+                ->countAllResults();
+
+            if ($count > 0) {
+                return true;
+            }
+        }
+
+        return false;
     }
 
     private function schoolYearByName(string $schoolYear): ?array
@@ -2009,19 +2037,7 @@ final class EnrollmentTransitionService
 
     private function applyHouseholdLastNameRule(array &$evaluation, int $parentId, ?string $sourceSchoolYear = null): void
     {
-        if (! empty($evaluation['first_enrollment'])) {
-            $evaluation['family_name_check_ok'] = true;
-            return;
-        }
-
         $students = $this->linkedStudentsForParent($parentId);
-        $sourceSchoolYear = trim((string) $sourceSchoolYear);
-        if ($sourceSchoolYear !== '') {
-            $students = array_values(array_filter(
-                $students,
-                fn (array $student): bool => $this->sourceAssignment((int) ($student['id'] ?? 0), $sourceSchoolYear) !== null
-            ));
-        }
 
         if (count($students) <= 1) {
             $evaluation['family_name_check_ok'] = true;