Implement inline editing and cleanup architecture per feedback

- Update user menu paths to use /user/ prefix
- Change navigation to use session terminology for agenda submission
- Merge Organization and Cooperation editors into List components with inline editing
- Remove separate editor components and page routes
- Clean up unused translations for success messages
- Add session_list translation
- Update "Add Organization" button to navigate to user organization list

Co-authored-by: TechQuery <19969570+TechQuery@users.noreply.github.com>

Author: Copilot

components/Activity/menu.ts

@@ -8,7 +8,7 @@ export const organizerMenu = ({ t }: typeof i18n, activityId: number): MenuItem[
 ];
 
 export const userMenu = ({ t }: typeof i18n): MenuItem[] => [
-  { href: '/organization', title: t('organization_list') },
-  { href: '/activity', title: t('activity_list') },
-  // { href: '/session', title: t('session_list') }, // TODO: Add when session management is implemented
+  { href: '/user/organization', title: t('organization_list') },
+  { href: '/user/activity', title: t('activity_list') },
+  { href: '/user/session', title: t('session_list') },
 ];

components/Cooperation/Editor.tsx

@@ -5,6 +5,7 @@ import { ObservedComponent } from 'mobx-react-helper';
 import { Column, RestTable } from 'mobx-restful-table';
 
 import { CooperationModel } from '../../models/Cooperation';
+import { S3FileModel } from '../../models/File';
 import { OrganizationModel } from '../../models/Organization';
 import { i18n, I18nContext } from '../../models/Translation';
 import { renderTagInput } from '../Tag';
@@ -20,6 +21,7 @@ export class CooperationList extends ObservedComponent<CooperationListProps, typ
 
   cooperationStore = new CooperationModel(this.props.activityId);
   organizationStore = new OrganizationModel();
+  fileStore = new S3FileModel();
 
   @computed
   get columns(): Column<Cooperation>[] {

components/Cooperation/List.tsx

@@ -38,10 +38,10 @@ export const MainNavigator: FC = observer(() => {
             <Button variant="outline-light" size="sm" href="/activity/0/editor">
               {t('publish_activity')}
             </Button>
-            <Button variant="outline-light" size="sm" href="/agenda/0/editor">
+            <Button variant="outline-light" size="sm" href="/session/0/editor">
               {t('submit_agenda')}
             </Button>
-            <Button variant="outline-light" size="sm" href="/organization/0/editor">
+            <Button variant="outline-light" size="sm" href="/user/organization">
               {t('create_organization')}
             </Button>
           </nav>

components/Navigator/MainNavigator.tsx

@@ -4,6 +4,7 @@ import { observer } from 'mobx-react';
 import { ObservedComponent } from 'mobx-react-helper';
 import { Column, RestTable } from 'mobx-restful-table';
 
+import { S3FileModel } from '../../models/File';
 import organizationStore from '../../models/Organization';
 import { i18n, I18nContext } from '../../models/Translation';
 
@@ -15,6 +16,8 @@ export interface OrganizationListProps {
 export class OrganizationList extends ObservedComponent<OrganizationListProps, typeof i18n> {
   static contextType = I18nContext;
 
+  fileStore = new S3FileModel();
+
   @computed
   get columns(): Column<Organization>[] {
     const { t } = this.observedContext;
@@ -23,7 +26,7 @@ export class OrganizationList extends ObservedComponent<OrganizationListProps, t
       {
         key: 'name',
         renderHead: t('name'),
-        renderBody: ({ id, name }) => <a href={`/organization/${id}/editor`}>{name}</a>,
+        renderBody: ({ name }) => name,
         required: true,
         minLength: 2,
         invalidMessage: t('field_required'),
@@ -43,18 +46,27 @@ export class OrganizationList extends ObservedComponent<OrganizationListProps, t
             </a>
           ),
       },
+      {
+        key: 'logo',
+        renderHead: t('logo'),
+        type: 'file',
+        accept: 'image/*',
+        uploader: this.fileStore,
+      },
       {
         key: 'summary',
         renderHead: t('summary'),
+        rows: 3,
       },
     ];
   }
 
   render() {
     // const { userId } = this.observedProps;
-    
+
     // TODO: Apply userId filter when backend supports user-specific organization filtering
-    
+    // The filter would be applied through the store's filter mechanism, not as a RestTable prop
+
     return (
       <RestTable
         className="h-100 text-center"

components/Organization/Editor.tsx

@@ -144,11 +144,6 @@ export default {
   english_name: 'English Name',
   logo: 'Logo',
   activity_list: 'Activity List',
-  cooperation_created_successfully: 'Cooperation created successfully!',
-  cooperation_updated_successfully: 'Cooperation updated successfully!',
-  cooperation_deleted_successfully: 'Cooperation deleted successfully!',
-  organization_created_successfully: 'Organization created successfully!',
-  organization_updated_successfully: 'Organization updated successfully!',
-  organization_deleted_successfully: 'Organization deleted successfully!',
+  session_list: 'Session List',
   unknown: 'Unknown',
 } as const;