feat: templates per ticket type

Each ticket type can carry a starting description and a checklist, edited
in the project settings. New tickets of that type get the description
when they come without one and always get the checklist; the new ticket
form says what the template will add.

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

libs/api/tracker/presenters/src/lib/common/settings.ts

@@ -23,6 +23,7 @@ export interface SettingsPayload {
     icon: string;
     color: string;
     archived: boolean;
+    template?: { description?: string | null; checklist?: string[] } | null;
   }[];
   areas: { id: string; name: string; archived: boolean }[];
 }
@@ -47,10 +48,18 @@ export function fromSettingsPayload(payload: SettingsPayload): ProjectSettings {
     transitions: Object.fromEntries(
       payload.transitions.map((t) => [t.from, t.to]),
     ),
-    issueTypes: payload.issueTypes.map((t) => ({
+    issueTypes: payload.issueTypes.map(({ template, ...t }) => ({
       ...t,
       icon: t.icon as TypeIcon,
       color: t.color as SettingColor,
+      ...(template
+        ? {
+            template: {
+              description: template.description ?? null,
+              checklist: template.checklist ?? [],
+            },
+          }
+        : {}),
     })),
     areas: payload.areas,
   };

libs/api/tracker/presenters/src/lib/graphql/inputs.ts

@@ -548,6 +548,21 @@ export class StatusTransitionsInput {
   to!: string[];
 }
 
+@InputType('IssueTemplateInput')
+export class IssueTemplateInput {
+  @Field(() => String, { nullable: true })
+  @IsOptional()
+  @IsString()
+  @MaxLength(5000)
+  description?: string | null;
+  @Field(() => [String], { defaultValue: [] })
+  @IsArray()
+  @ArrayMaxSize(20)
+  @IsString({ each: true })
+  @MaxLength(300, { each: true })
+  checklist!: string[];
+}
+
 @InputType()
 export class IssueTypeOptionInput {
   @Field() @Matches(SETTING_ID) id!: string;
@@ -555,6 +570,11 @@ export class IssueTypeOptionInput {
   @Field() @IsString() icon!: string;
   @Field() @IsString() color!: string;
   @Field({ defaultValue: false }) @IsBoolean() archived!: boolean;
+  @Field(() => IssueTemplateInput, { nullable: true })
+  @IsOptional()
+  @ValidateNested()
+  @Type(() => IssueTemplateInput)
+  template?: IssueTemplateInput | null;
 }
 
 @InputType()

libs/api/tracker/presenters/src/lib/graphql/types.ts

@@ -53,6 +53,19 @@ export class StatusTransitionsGql {
   @Field(() => [String]) to!: string[];
 }
 
+@ObjectType('IssueTemplate', {
+  description: 'What a new ticket of the type starts with',
+})
+export class IssueTemplateGql {
+  @Field(() => String, {
+    nullable: true,
+    description: 'Used when the ticket comes without a description',
+  })
+  description!: string | null;
+  @Field(() => [String], { description: 'Steps added to every new ticket' })
+  checklist!: string[];
+}
+
 @ObjectType('IssueTypeOption')
 export class IssueTypeOptionGql {
   @Field() id!: string;
@@ -60,6 +73,8 @@ export class IssueTypeOptionGql {
   @Field() icon!: string;
   @Field() color!: string;
   @Field() archived!: boolean;
+  @Field(() => IssueTemplateGql, { nullable: true })
+  template?: IssueTemplateGql | null;
 }
 
 @ObjectType('AreaOption')

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

@@ -165,6 +165,21 @@ export class StatusTransitionsBodyDto {
   to!: string[];
 }
 
+export class IssueTemplateBodyDto {
+  @ApiPropertyOptional({ type: String, nullable: true, maxLength: 5000 })
+  @IsOptional()
+  @IsString()
+  @MaxLength(5000)
+  description?: string | null;
+  @ApiPropertyOptional({ type: [String], maxItems: 20 })
+  @IsOptional()
+  @IsArray()
+  @ArrayMaxSize(20)
+  @IsString({ each: true })
+  @MaxLength(300, { each: true })
+  checklist?: string[];
+}
+
 export class IssueTypeOptionBodyDto {
   @ApiProperty({ example: 'SPIKE' }) @Matches(SETTING_ID) id!: string;
   @ApiProperty({ example: 'Spike', maxLength: 40 })
@@ -182,6 +197,15 @@ export class IssueTypeOptionBodyDto {
   @IsOptional()
   @IsBoolean()
   archived = false;
+  @ApiPropertyOptional({
+    type: IssueTemplateBodyDto,
+    nullable: true,
+    description: 'What a new ticket of the type starts with',
+  })
+  @IsOptional()
+  @ValidateNested()
+  @Type(() => IssueTemplateBodyDto)
+  template?: IssueTemplateBodyDto | null;
 }
 
 export class AreaOptionBodyDto {

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

@@ -53,6 +53,11 @@ export class StatusTransitionsDto {
   to!: string[];
 }
 
+export class IssueTemplateDto {
+  @ApiProperty({ type: String, nullable: true }) description!: string | null;
+  @ApiProperty({ type: [String] }) checklist!: string[];
+}
+
 export class IssueTypeOptionDto {
   @ApiProperty({ example: 'BUG' }) id!: string;
   @ApiProperty({ example: 'Bug' }) name!: string;
@@ -60,6 +65,11 @@ export class IssueTypeOptionDto {
   @ApiProperty({ enum: SETTING_COLORS, enumName: 'SettingColor' })
   color!: string;
   @ApiProperty() archived!: boolean;
+  @ApiPropertyOptional({
+    type: IssueTemplateDto,
+    description: 'What a new ticket of the type starts with',
+  })
+  template?: IssueTemplateDto;
 }
 
 export class AreaOptionDto {