feat: Enhance medical report generation with new features and improved data handling

- Added body fat percentage input and optional muscle oxygenation CSV upload in the upload form.
- Implemented TSI chart generation based on muscle oxygenation data.
- Updated report generation to include metabolism and fuel source charts.
- Refactored context generation to eliminate reliance on SECA data, using patient info directly instead.
- Improved error handling and logging for graph generation processes.
- Enhanced HTML templates for better user experience and functionality.

app/templates/upload.html

@@ -84,9 +84,16 @@
                                 class="mt-1 block w-full text-sm text-gray-500 file:mr-4 file:py-2 file:px-4 file:rounded-md file:border-0 file:text-sm file:font-semibold file:bg-indigo-50 file:text-indigo-700 hover:file:bg-indigo-100">
                         </div>
                         <div>
-                            <label for="seca_excel" class="block text-sm font-medium text-gray-700">SECA Excel</label>
-                            <input type="file" name="seca_excel" id="seca_excel" accept=".xlsx,.xls" required
+                            <label for="fat_percentage" class="block text-sm font-medium text-gray-700">Body Fat Percentage (%)</label>
+                            <input type="number" step="0.1" name="fat_percentage" id="fat_percentage" required min="0" max="100"
+                                class="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-500 focus:ring-indigo-500 sm:text-sm px-3 py-2 border"
+                                placeholder="22.5">
+                        </div>
+                        <div>
+                            <label for="oxygenation_csv" class="block text-sm font-medium text-gray-700">Muscle Oxygenation CSV (Optional)</label>
+                            <input type="file" name="oxygenation_csv" id="oxygenation_csv" accept=".csv"
                                 class="mt-1 block w-full text-sm text-gray-500 file:mr-4 file:py-2 file:px-4 file:rounded-md file:border-0 file:text-sm file:font-semibold file:bg-indigo-50 file:text-indigo-700 hover:file:bg-indigo-100">
+                            <p class="mt-1 text-xs text-gray-500">Upload NIRS muscle oxygen CSV file to generate TSI graph</p>
                         </div>
                     </div>
                 </div>