Update Saqel Platform: 2026-08-28 04:58:01

backend/app/Services/TeacherRatingService.php

@@ -68,6 +68,12 @@ class TeacherRatingService
                 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
             ");
 
+            // Check and automatically add active_queue_count if missing from existing table
+            $colsMetrics = Database::select("SHOW COLUMNS FROM teacher_performance_metrics LIKE 'active_queue_count'");
+            if (empty($colsMetrics)) {
+                Database::query("ALTER TABLE teacher_performance_metrics ADD COLUMN active_queue_count INT UNSIGNED NOT NULL DEFAULT 0 AFTER response_rate_percentage");
+            }
+
             self::$schemaChecked = true;
         } catch (\Throwable $e) {
             error_log("TeacherRatingService schema note: " . $e->getMessage());
@@ -432,7 +438,7 @@ class TeacherRatingService
         $teachers = Database::select(
             "SELECT u.id, u.full_name, u.phone_number,
                     tp.specialization, tp.bio,
-                    m.avg_response_minutes, m.response_rate_percentage, m.active_queue_count, m.total_students_enrolled,
+                    m.avg_response_minutes, m.response_rate_percentage, m.total_students_enrolled,
                     m.total_reviews_count, m.weighted_student_rating, m.composite_merit_score,
                     m.star_equivalent, m.reputation_tier,
                     (SELECT COUNT(*) FROM lessons WHERE course_id IN (SELECT id FROM courses WHERE teacher_id = u.id)) as lessons_count