chore: archive finance, mail, moodlit apps and rename voxel-lava

- Move finance, mail, moodlit to apps-archived for later development
- Rename games/voxel-lava to games/voxelava

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

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

apps-archived/mail/apps/backend/src/folder/folder.controller.ts

@@ -0,0 +1,88 @@
+import {
+	Controller,
+	Get,
+	Post,
+	Patch,
+	Delete,
+	Body,
+	Param,
+	Query,
+	UseGuards,
+	ParseUUIDPipe,
+	BadRequestException,
+} from '@nestjs/common';
+import { JwtAuthGuard, CurrentUser, CurrentUserData } from '@manacore/shared-nestjs-auth';
+import { FolderService } from './folder.service';
+import { CreateFolderDto, UpdateFolderDto, FolderQueryDto } from './dto/folder.dto';
+
+@Controller('folders')
+@UseGuards(JwtAuthGuard)
+export class FolderController {
+	constructor(private readonly folderService: FolderService) {}
+
+	@Get()
+	async findAll(@CurrentUser() user: CurrentUserData, @Query() query: FolderQueryDto) {
+		const folders = await this.folderService.findByUserId(user.userId, query);
+		return { folders };
+	}
+
+	@Get(':id')
+	async findOne(@CurrentUser() user: CurrentUserData, @Param('id', ParseUUIDPipe) id: string) {
+		const folder = await this.folderService.findById(id, user.userId);
+		if (!folder) {
+			return { folder: null };
+		}
+		return { folder };
+	}
+
+	@Post()
+	async create(@CurrentUser() user: CurrentUserData, @Body() dto: CreateFolderDto) {
+		const folder = await this.folderService.create({
+			...dto,
+			userId: user.userId,
+			type: 'custom',
+			path: dto.name, // For custom folders, path is the name
+			isSystem: false,
+		});
+		return { folder };
+	}
+
+	@Patch(':id')
+	async update(
+		@CurrentUser() user: CurrentUserData,
+		@Param('id', ParseUUIDPipe) id: string,
+		@Body() dto: UpdateFolderDto
+	) {
+		const existingFolder = await this.folderService.findById(id, user.userId);
+		if (!existingFolder) {
+			throw new BadRequestException('Folder not found');
+		}
+
+		// Don't allow renaming system folders
+		if (existingFolder.isSystem && dto.name) {
+			throw new BadRequestException('Cannot rename system folders');
+		}
+
+		const folder = await this.folderService.update(id, user.userId, dto);
+		return { folder };
+	}
+
+	@Delete(':id')
+	async delete(@CurrentUser() user: CurrentUserData, @Param('id', ParseUUIDPipe) id: string) {
+		await this.folderService.delete(id, user.userId);
+		return { success: true };
+	}
+
+	@Post(':id/hide')
+	async toggleHidden(@CurrentUser() user: CurrentUserData, @Param('id', ParseUUIDPipe) id: string) {
+		const folder = await this.folderService.findById(id, user.userId);
+		if (!folder) {
+			throw new BadRequestException('Folder not found');
+		}
+
+		const updatedFolder = await this.folderService.update(id, user.userId, {
+			isHidden: !folder.isHidden,
+		});
+		return { folder: updatedFolder };
+	}
+}