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/finance/apps/backend/src/settings/dto/index.ts

@@ -0,0 +1 @@
+export * from './update-settings.dto';

apps-archived/finance/apps/backend/src/settings/dto/update-settings.dto.ts

@@ -0,0 +1,24 @@
+import { IsString, IsOptional, IsNumber, MaxLength, Min, Max } from 'class-validator';
+
+export class UpdateSettingsDto {
+	@IsOptional()
+	@IsString()
+	@MaxLength(3)
+	defaultCurrency?: string;
+
+	@IsOptional()
+	@IsString()
+	@MaxLength(10)
+	locale?: string;
+
+	@IsOptional()
+	@IsString()
+	@MaxLength(20)
+	dateFormat?: string;
+
+	@IsOptional()
+	@IsNumber()
+	@Min(0)
+	@Max(6)
+	weekStartsOn?: number;
+}

apps-archived/finance/apps/backend/src/settings/settings.controller.ts

@@ -0,0 +1,20 @@
+import { Controller, Get, Put, Body, UseGuards } from '@nestjs/common';
+import { JwtAuthGuard, CurrentUser, type CurrentUserData } from '@manacore/shared-nestjs-auth';
+import { SettingsService } from './settings.service';
+import { UpdateSettingsDto } from './dto';
+
+@Controller('settings')
+@UseGuards(JwtAuthGuard)
+export class SettingsController {
+	constructor(private readonly settingsService: SettingsService) {}
+
+	@Get()
+	get(@CurrentUser() user: CurrentUserData) {
+		return this.settingsService.get(user.userId);
+	}
+
+	@Put()
+	update(@CurrentUser() user: CurrentUserData, @Body() dto: UpdateSettingsDto) {
+		return this.settingsService.update(user.userId, dto);
+	}
+}

apps-archived/finance/apps/backend/src/settings/settings.module.ts

@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { SettingsController } from './settings.controller';
+import { SettingsService } from './settings.service';
+
+@Module({
+	controllers: [SettingsController],
+	providers: [SettingsService],
+	exports: [SettingsService],
+})
+export class SettingsModule {}

apps-archived/finance/apps/backend/src/settings/settings.service.ts

@@ -0,0 +1,57 @@
+import { Injectable, Inject } from '@nestjs/common';
+import { eq } from 'drizzle-orm';
+import { DATABASE_CONNECTION, type Database } from '../db/connection';
+import { userSettings } from '../db/schema';
+import { UpdateSettingsDto } from './dto';
+
+const DEFAULT_SETTINGS = {
+	defaultCurrency: 'EUR',
+	locale: 'de-DE',
+	dateFormat: 'dd.MM.yyyy',
+	weekStartsOn: 1, // Monday
+};
+
+@Injectable()
+export class SettingsService {
+	constructor(@Inject(DATABASE_CONNECTION) private db: Database) {}
+
+	async get(userId: string) {
+		const [settings] = await this.db
+			.select()
+			.from(userSettings)
+			.where(eq(userSettings.userId, userId));
+
+		if (!settings) {
+			// Create default settings
+			const [newSettings] = await this.db
+				.insert(userSettings)
+				.values({
+					userId,
+					...DEFAULT_SETTINGS,
+				})
+				.returning();
+			return newSettings;
+		}
+
+		return settings;
+	}
+
+	async update(userId: string, dto: UpdateSettingsDto) {
+		// Ensure settings exist
+		await this.get(userId);
+
+		const [settings] = await this.db
+			.update(userSettings)
+			.set({
+				...(dto.defaultCurrency !== undefined && { defaultCurrency: dto.defaultCurrency }),
+				...(dto.locale !== undefined && { locale: dto.locale }),
+				...(dto.dateFormat !== undefined && { dateFormat: dto.dateFormat }),
+				...(dto.weekStartsOn !== undefined && { weekStartsOn: dto.weekStartsOn }),
+				updatedAt: new Date(),
+			})
+			.where(eq(userSettings.userId, userId))
+			.returning();
+
+		return settings;
+	}
+}