feat: teams within a project

Projects keep teams of members in their settings (settings.teams; people
outside the project are dropped, teams are archived, not removed; absent
when saving means unchanged). Tickets go to a team (`team`, also filtered
in the list and in MCP search_issues), and a comment mentioning
@[Frontend](team-FRONT) tells each of its members. Settings has the teams
with their members, the ticket a «Equipo» select, the list a team filter,
and «@» offers the teams after the people.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

libs/api/tracker/presenters/src/lib/http/dto/requests.dto.ts

@@ -243,6 +243,28 @@ export class AreaOptionBodyDto {
   archived = false;
 }
 
+export class TeamBodyDto {
+  @ApiProperty({ example: 'FRONTEND' }) @Matches(SETTING_ID) id!: string;
+  @ApiProperty({ example: 'Frontend', maxLength: 40 })
+  @IsString()
+  @MinLength(1)
+  @MaxLength(40)
+  name!: string;
+  @ApiPropertyOptional({
+    type: [String],
+    description: 'Pireon user ids of project members (others are dropped)',
+  })
+  @IsOptional()
+  @IsArray()
+  @ArrayMaxSize(200)
+  @IsString({ each: true })
+  memberIds: string[] = [];
+  @ApiPropertyOptional({ type: Boolean, default: false })
+  @IsOptional()
+  @IsBoolean()
+  archived = false;
+}
+
 export class CustomFieldDefinitionBodyDto {
   @ApiProperty({ example: 'BROWSER' }) @Matches(SETTING_ID) id!: string;
   @ApiProperty({ example: 'Navegador', maxLength: 40 })
@@ -319,6 +341,17 @@ export class ProjectSettingsBodyDto {
   @Type(() => CustomFieldDefinitionBodyDto)
   customFields?: CustomFieldDefinitionBodyDto[];
 
+  @ApiPropertyOptional({
+    type: [TeamBodyDto],
+    description: 'Absent: unchanged. Teams cannot be removed: archive them.',
+  })
+  @IsOptional()
+  @IsArray()
+  @ArrayMaxSize(30)
+  @ValidateNested({ each: true })
+  @Type(() => TeamBodyDto)
+  teams?: TeamBodyDto[];
+
   @ApiPropertyOptional({
     description:
       'Definition of done: tickets reach a DONE status only with their checklist ticked (owners and admins may override). Absent: unchanged',
@@ -584,6 +617,12 @@ export class IssueSearchQueryDto extends PageQueryDto {
   @Matches(SETTING_ID, { each: true })
   area?: string[];
 
+  @ApiPropertyOptional({ type: [String], description: 'Team ids' })
+  @IsOptional()
+  @Transform(toList)
+  @Matches(SETTING_ID, { each: true })
+  team?: string[];
+
   @ApiPropertyOptional({
     enum: IssuePriority,
     enumName: 'IssuePriority',
@@ -729,6 +768,16 @@ class IssueFieldsDto {
   @Matches(SETTING_ID)
   area?: string | null;
 
+  @ApiPropertyOptional({
+    type: String,
+    nullable: true,
+    example: 'FRONTEND',
+    description: "A team id of the project's settings",
+  })
+  @IsOptional()
+  @Matches(SETTING_ID)
+  team?: string | null;
+
   @ApiPropertyOptional({ enum: IssuePriority, enumName: 'IssuePriority' })
   @IsOptional()
   @IsEnum(IssuePriority)