feat: Refactor report generation to use async methods and improve error handling; enhance spirometry table extraction with better CSV formatting

app/main.py

@@ -12,7 +12,6 @@ from pathlib import Path
 from fastapi import FastAPI, File, Form, HTTPException, UploadFile
 from fastapi.responses import FileResponse
 from pydantic import BaseModel
-
 from services.report_generator import ReportGeneratorService
 
 app = FastAPI(
@@ -138,7 +137,7 @@ async def generate_report(
             }
 
             # Generate report using the service
-            result = report_service.generate_report(
+            result = await report_service.generate_report(
                 spirometry_pdf_path=str(spirometry_path),
                 pnoe_csv_path=str(pnoe_path),
                 seca_excel_path=str(seca_path),
@@ -153,9 +152,14 @@ async def generate_report(
             )
 
         except Exception as e:
+            import traceback
+
+            error_details = traceback.format_exc()
+            print(f"ERROR: {error_details}")  # This will show in terminal
+
             raise HTTPException(
                 status_code=500,
-                detail=f"Error generating report: {str(e)}",
+                detail=f"Error generating report: {str(e)}\n{error_details}",
             )
         finally:
             # Close file handles