Implement church career management features

- Added endpoints for church career functionalities including overview, available positions, application submission, and application decision-making.
- Enhanced the FalukantController to handle church-related requests.
- Updated associations and models to support church office types and requirements.
- Integrated new routes in the falukantRouter for church career operations.
- Implemented service methods for managing church applications and checking church career status.
- Updated frontend components to display current positions, available positions, and manage applications with appropriate UI elements and loading states.
- Localized new church-related strings in both English and German.

backend/models/associations.js

@@ -93,6 +93,10 @@ import PoliticalOfficeRequirement from './falukant/predefine/political_office_pr
 import PoliticalOfficePrerequisite from './falukant/predefine/political_office_prerequisite.js';
 import PoliticalOfficeHistory from './falukant/log/political_office_history.js';
 import ElectionHistory from './falukant/log/election_history.js';
+import ChurchOfficeType from './falukant/type/church_office_type.js';
+import ChurchOfficeRequirement from './falukant/predefine/church_office_requirement.js';
+import ChurchOffice from './falukant/data/church_office.js';
+import ChurchApplication from './falukant/data/church_application.js';
 import Underground from './falukant/data/underground.js';
 import UndergroundType from './falukant/type/underground.js';
 import VehicleType from './falukant/type/vehicle.js';
@@ -866,6 +870,86 @@ export default function setupAssociations() {
   }
   );
 
+  // — Church Offices —
+
+  // Requirements for church office
+  ChurchOfficeRequirement.belongsTo(ChurchOfficeType, {
+    foreignKey: 'officeTypeId',
+    as: 'officeType'
+  });
+  ChurchOfficeType.hasMany(ChurchOfficeRequirement, {
+    foreignKey: 'officeTypeId',
+    as: 'requirements'
+  });
+
+  // Prerequisite office type
+  ChurchOfficeRequirement.belongsTo(ChurchOfficeType, {
+    foreignKey: 'prerequisiteOfficeTypeId',
+    as: 'prerequisiteOfficeType'
+  });
+
+  // Actual church office holdings
+  ChurchOffice.belongsTo(ChurchOfficeType, {
+    foreignKey: 'officeTypeId',
+    as: 'type'
+  });
+  ChurchOfficeType.hasMany(ChurchOffice, {
+    foreignKey: 'officeTypeId',
+    as: 'offices'
+  });
+
+  ChurchOffice.belongsTo(FalukantCharacter, {
+    foreignKey: 'characterId',
+    as: 'holder'
+  });
+  FalukantCharacter.hasOne(ChurchOffice, {
+    foreignKey: 'characterId',
+    as: 'heldChurchOffice'
+  });
+
+  // Supervisor relationship
+  ChurchOffice.belongsTo(FalukantCharacter, {
+    foreignKey: 'supervisorId',
+    as: 'supervisor'
+  });
+
+  // Applications for church office
+  ChurchApplication.belongsTo(ChurchOfficeType, {
+    foreignKey: 'officeTypeId',
+    as: 'officeType'
+  });
+  ChurchOfficeType.hasMany(ChurchApplication, {
+    foreignKey: 'officeTypeId',
+    as: 'applications'
+  });
+
+  ChurchApplication.belongsTo(FalukantCharacter, {
+    foreignKey: 'characterId',
+    as: 'applicant'
+  });
+  FalukantCharacter.hasMany(ChurchApplication, {
+    foreignKey: 'characterId',
+    as: 'churchApplications'
+  });
+
+  ChurchApplication.belongsTo(FalukantCharacter, {
+    foreignKey: 'supervisorId',
+    as: 'supervisor'
+  });
+  FalukantCharacter.hasMany(ChurchApplication, {
+    foreignKey: 'supervisorId',
+    as: 'supervisedApplications'
+  });
+
+  ChurchApplication.belongsTo(RegionData, {
+    foreignKey: 'regionId',
+    as: 'region'
+  });
+  RegionData.hasMany(ChurchApplication, {
+    foreignKey: 'regionId',
+    as: 'churchApplications'
+  });
+
   Underground.belongsTo(UndergroundType, {
     foreignKey: 'undergroundTypeId',
     as: 'undergroundType'