FOP-Config: Projektspezifischer Konfigurationsordner und erweitertes Logging

- Project-Modell um optionales fop_config_dir Feld erweitert
- TransformationJob verwendet nun projektspezifischen FOP-Config-Pfad
- Saxon und FOP stdout/stderr werden nun im Debug-Level geloggt
- UI-Elemente für FOP-Config-Ordner-Auswahl hinzugefügt
- AppSettings und MainWindow unterstützen neues Feld beim Laden/Speichern

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

src/ui/AppSettings.py

@@ -466,6 +466,7 @@ class AppSettingsDlg(QDialog):
                 apache_fop_id=project_data['apache_fop_id'] if project_data['apache_fop_id'] != -1 else 1,
                 xsl_dir_id=project_data['xsl_dir_id'] if project_data['xsl_dir_id'] != -1 else 1,
                 postgre_sql_db_id=project_data['postgre_sql_db_id'] if project_data['postgre_sql_db_id'] != -1 else 1,
+                fop_config_dir=Path(project_data['fop_config_dir']) if project_data.get('fop_config_dir') else None,
             )
             
             self.temp_pdf_projects.append(new_project)
@@ -617,7 +618,9 @@ class AppSettingsDlg(QDialog):
                 'diff_pdf_id': pdf_project.diff_pdf_id,
                 'saxon_jar_id': pdf_project.saxon_jar_id,
                 'apache_fop_id': pdf_project.apache_fop_id,
-                'xsl_dir_id': pdf_project.xsl_dir_id
+                'xsl_dir_id': pdf_project.xsl_dir_id,
+                'postgre_sql_db_id': pdf_project.postgre_sql_db_id,
+                'fop_config_dir': str(pdf_project.fop_config_dir) if pdf_project.fop_config_dir else None
             }
             
             # Dialog im Edit-Modus öffnen (Projekt-Name und -Ordner deaktiviert)
@@ -632,9 +635,15 @@ class AppSettingsDlg(QDialog):
                 pdf_project.saxon_jar_id = new_data['saxon_jar_id'] if new_data['saxon_jar_id'] != -1 else pdf_project.saxon_jar_id
                 pdf_project.apache_fop_id = new_data['apache_fop_id'] if new_data['apache_fop_id'] != -1 else pdf_project.apache_fop_id
                 pdf_project.xsl_dir_id = new_data['xsl_dir_id'] if new_data['xsl_dir_id'] != -1 else pdf_project.xsl_dir_id
-                
+                pdf_project.postgre_sql_db_id = new_data['postgre_sql_db_id'] if new_data['postgre_sql_db_id'] != -1 else pdf_project.postgre_sql_db_id
+                pdf_project.fop_config_dir = Path(new_data['fop_config_dir']) if new_data.get('fop_config_dir') else None
+
                 self._populate_pdf_project_table()
 
+                # Einstellungen speichern
+                self.settings.pdf_projects = self.temp_pdf_projects.copy()
+                self.settings.save()
+
     # PostgreSQL Methoden
     def _add_postgresql_db(self):
         """Fügt eine neue PostgreSQL-Datenbank hinzu."""