feat: add project DTOs

src/modules/task-manager/dto/project/create-project.dto.ts

@@ -0,0 +1,40 @@
+import { ApiProperty } from "@nestjs/swagger";
+import { IsString, IsOptional, IsNotEmpty, IsUUID, IsDateString, MaxLength } from "class-validator";
+
+export class CreateProjectDto {
+  @ApiProperty({ description: "Name of the project", example: "Mobile App Redesign" })
+  @IsString()
+  @IsNotEmpty()
+  @MaxLength(150)
+  name: string;
+
+  @ApiProperty({ description: "Name of the project owner", example: "Jane Doe" })
+  @IsString()
+  @IsNotEmpty()
+  @MaxLength(150)
+  ownerName: string;
+
+  @ApiProperty({ description: "Description of the project", required: false, example: "Redesign of the mobile app UI/UX" })
+  @IsString()
+  @IsOptional()
+  description?: string;
+
+  @ApiProperty({ description: "Start date of the project", example: "2026-07-01" })
+  @IsDateString()
+  @IsNotEmpty()
+  startDate: string;
+
+  @ApiProperty({
+    description: "Background picture URL of the project",
+    required: false,
+    example: "https://cdn.example.com/projects/bg1.png",
+  })
+  @IsString()
+  @IsOptional()
+  backgroundPicture?: string;
+
+  @ApiProperty({ description: "ID of the workspace this project belongs to", example: "a1b2c3d4-e5f6-7890-abcd-ef1234567890" })
+  @IsUUID()
+  @IsNotEmpty()
+  workspaceId: string;
+}

src/modules/task-manager/dto/project/update-project.dto.ts

@@ -0,0 +1,4 @@
+import { PartialType } from '@nestjs/swagger';
+import { CreateProjectDto } from './create-project.dto';
+
+export class UpdateProjectDto extends PartialType(CreateProjectDto) {}

src/modules/task-manager/entities/project.entity.ts

@@ -17,6 +17,9 @@ export class TMProject extends BaseEntity {
   @Column({ type: "timestamptz", nullable: true })
   startDate: Date;
 
+  @Column({ type: "text", nullable: true })
+  backgroundPicture: string;
+
   // --- Relations ---
 
   @ManyToOne(() => TMWorkspace, (workspace) => workspace.projects, {