Google Apps Script Code:

// Minimal ตัวอย่าง (อัปเดต): Apps Script ไม่รองรับ setHeaders กับ ContentService
                        function jsonResponse(o){return ContentService.createTextOutput(JSON.stringify(o)).setMimeType(ContentService.MimeType.JSON);} 
                        function doPost(e){
                            try{
                                let data;
                                if(e.parameter && e.parameter.action){ data = e.parameter; }
                                else if(e.postData && e.postData.contents){ data = JSON.parse(e.postData.contents); }
                                else { return jsonResponse({error:'No data'}); }
                                const ss = SpreadsheetApp.openById('YOUR_SPREADSHEET_ID');
                                if(data.action==='append'){
                                    const sheet = ss.getSheetByName(data.sheetName || 'Predispensing_Errors');
                                    if(!sheet) return jsonResponse({error:'Sheet not found'});
                                    if(data.timestamp){
                                        sheet.appendRow([
                                            data.timestamp,
                                            data.reportId,
                                            data.shift,
                                            data.errorType,
                                            data.location,
                                            data.process,
                                            data.errorDetail,
                                            data.correctItem,
                                            data.incorrectItem,
                                            data.cause,
                                            data.additionalDetails||'',
                                            data.reporter
                                        ]);
                                        return jsonResponse({success:true});
                                    }
                                }
                                return jsonResponse({error:'Invalid action'});
                            }catch(err){return jsonResponse({error:err.toString()});}
                        }