feat: add project base path and template path handling in report generation

- Introduced PROJECT_BASE_PATH constant for consistent project directory reference.
- Updated Reports class to require template_path for loading HTML templates.
- Modified DataManagerRepository to pass the new template_path when generating reports.

model_manager/utils/repository/data_manager_repository.py

@@ -28,7 +28,7 @@ from sientia_do.observability.sientia_monitoring import SientiaMonitoring
 from sientia_do.temporal.constants import DATETIME_FORMAT_WITH_TZ
 from sientia_model.wrappers.sientia_model import SientiaModel
 
-from model_manager.runtime_paths import REPORTS_ROOT
+from model_manager.runtime_paths import REPORTS_ROOT, PROJECT_BASE_PATH
 from model_manager.sientia.metrics import mae, mse, r2
 from model_manager.sientia.reports import Reports  # type: ignore[import-untyped]
 from model_manager.utils.models.train_model_params import TrainModelParams
@@ -473,8 +473,7 @@ class DataManagerRepository(SientiaMonitoring):
             OSError: If directory creation fails for any other reason.
         """
         # Use microsecond precision to reduce collision probability
-        timestamp = datetime.now().strftime('%Y%m%d_%H%M%S_%f')
-        run_dir = path.join(base_path, 'temp', f'{run_name}_{timestamp}')
+        run_dir = path.join(base_path, 'temp', f'{run_name}')
 
         try:
             makedirs(run_dir, exist_ok=True)
@@ -534,11 +533,17 @@ class DataManagerRepository(SientiaMonitoring):
         current_data_float = current_data.astype(np.float64)
 
         # Initialize report generator
-        data.run_dir = self._create_run_directory(self._get_reports_directory(), data.run_name)
+        base_path = self._get_reports_directory()
+        data.run_dir = self._create_run_directory(base_path, data.run_name)
+        
+        # Template path is the code path of the model_manager package
+        template_path = path.join(PROJECT_BASE_PATH, 'reports')
+
         report = Reports(
             reference_data=reference_data_float,
             current_data=current_data_float,
             base_path=data.run_dir,
+            template_path=template_path,
             target_name=data.params.target_variable,
         )