fix duplicate insert when chunk

app/Services/ServiceGoogleSheet.php

@@ -688,21 +688,27 @@ class ServiceGoogleSheet
 
             // Build and insert in small batches to avoid high memory usage
             $batch = [];
-            $batchSize = 500;
             $inserted = 0;
             // Stream rows in chunks from API to avoid loading full sheet
             $rowStart = 2; // data starts from row 2
-            $chunkRowSize = 800; // number of rows per chunk
+            $chunkRowSize = 1000; // number of rows per chunk
             $inserted = 0;
             while (true) {
                 $rowEnd = $rowStart + $chunkRowSize - 1;
                 $range = sprintf('%s!%s%d:%s%d', $sheetName, $startLetter, $rowStart, 'BF', $rowEnd);
                 $resp = $this->service->spreadsheets_values->get($this->spreadsheetID, $range);
                 $values = $resp->getValues() ?? [];
+
+                
                 if (empty($values)) {
                     break; // no more rows
                 }
-
+                
+                Log::info('Chunk fetched', [
+                    'rowStart' => $rowStart,
+                    'rowEnd'   => $rowEnd,
+                    'count'    => count($values)
+                ]);
                 // Preload registration map for this chunk
                 $chunkRegs = [];
                 foreach ($values as $row) {
@@ -838,11 +844,6 @@ class ServiceGoogleSheet
                 if (function_exists('gc_collect_cycles')) { gc_collect_cycles(); }
             }
 
-            if (!empty($batch)) {
-                \App\Models\PbgTaskPayment::insert($batch);
-                $inserted += count($batch);
-            }
-
             Log::info('PBG Task Payments reloaded from sheet', ['inserted' => $inserted]);
 
             return ['success' => true, 'inserted' => $inserted];