feat: saved board views and richer board filters

The board now filters by text, type, priority and unassigned tickets as
well. Any combination can be saved as a named view, private or shared with
the project, and opened again with one click.

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

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

@@ -251,6 +251,40 @@ export class BoardQueryDto {
   @Matches(SETTING_ID)
   area?: string;
 
+  @ApiPropertyOptional({ type: [String], description: 'Ticket type ids' })
+  @IsOptional()
+  @Transform(toList)
+  @Matches(SETTING_ID, { each: true })
+  type?: string[];
+
+  @ApiPropertyOptional({
+    enum: IssuePriority,
+    enumName: 'IssuePriority',
+    isArray: true,
+  })
+  @IsOptional()
+  @Transform(toList)
+  @IsEnum(IssuePriority, { each: true })
+  priority?: IssuePriority[];
+
+  @ApiPropertyOptional({ type: [String] })
+  @IsOptional()
+  @Transform(toList)
+  @IsString({ each: true })
+  label?: string[];
+
+  @ApiPropertyOptional({ description: 'Matches key, title or description' })
+  @IsOptional()
+  @IsString()
+  @MaxLength(200)
+  search?: string;
+
+  @ApiPropertyOptional({ description: 'Only tickets without assignee' })
+  @IsOptional()
+  @Transform(toBoolean)
+  @IsBoolean()
+  unassigned?: boolean;
+
   @ApiPropertyOptional({ type: Number, default: 50, minimum: 1, maximum: 200 })
   @IsOptional()
   @Type(() => Number)
@@ -589,6 +623,76 @@ export class SetIssueReleaseDto {
   releaseId!: string | null;
 }
 
+export class SavedFilterCriteriaDto {
+  @ApiPropertyOptional({ type: [String], description: 'Ticket type ids' })
+  @IsOptional()
+  @Matches(SETTING_ID, { each: true })
+  types?: string[];
+
+  @ApiPropertyOptional({ type: [String], description: 'Area ids' })
+  @IsOptional()
+  @Matches(SETTING_ID, { each: true })
+  areas?: string[];
+
+  @ApiPropertyOptional({
+    enum: IssuePriority,
+    enumName: 'IssuePriority',
+    isArray: true,
+  })
+  @IsOptional()
+  @IsEnum(IssuePriority, { each: true })
+  priorities?: IssuePriority[];
+
+  @ApiPropertyOptional({
+    type: String,
+    nullable: true,
+    description: 'Pireon user id',
+  })
+  @IsOptional()
+  @IsString()
+  assigneeId?: string | null;
+
+  @ApiPropertyOptional() @IsOptional() @IsBoolean() unassigned?: boolean;
+
+  @ApiPropertyOptional({ type: String, nullable: true, format: 'uuid' })
+  @IsOptional()
+  @IsString()
+  releaseId?: string | null;
+
+  @ApiPropertyOptional({ type: [String] })
+  @IsOptional()
+  @ArrayMaxSize(20)
+  @IsString({ each: true })
+  labels?: string[];
+
+  @ApiPropertyOptional({ type: String, nullable: true, maxLength: 200 })
+  @IsOptional()
+  @IsString()
+  @MaxLength(200)
+  search?: string | null;
+}
+
+export class SaveFilterDto {
+  @ApiProperty({ example: 'Bugs críticos de frontend', maxLength: 60 })
+  @IsString()
+  @MinLength(1)
+  @MaxLength(60)
+  name!: string;
+
+  @ApiPropertyOptional({
+    default: false,
+    description: 'Visible to the whole project (members, not viewers, share)',
+  })
+  @IsOptional()
+  @IsBoolean()
+  shared = false;
+
+  @ApiProperty({ type: SavedFilterCriteriaDto })
+  @ValidateNested()
+  @Type(() => SavedFilterCriteriaDto)
+  criteria!: SavedFilterCriteriaDto;
+}
+
 export class RankIssueDto {
   @ApiPropertyOptional({
     type: String,