feat(#112): reprise après refus — dossier complet GET/PATCH

- GET reprise-dossier : parents[], enfants[], texte_motivation (famille) ou fiche AM (#119)
- PATCH reprise-resoumettre : co-parent, enfants (update par id), motivation, fiche AM
- Resoumission famille : tous les parents en en_attente + invalidation token groupée
- DTOs étendus + est_multiple sur enfants dossier famille
- Tests unitaires getRepriseDossier parent/AM

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/src/routes/auth/dto/resoumettre-reprise.dto.ts

@@ -1,12 +1,29 @@
 import { ApiProperty } from '@nestjs/swagger';
-import { IsOptional, IsString, MaxLength, IsUUID } from 'class-validator';
+import {
+  IsOptional,
+  IsString,
+  MaxLength,
+  IsUUID,
+  IsBoolean,
+  IsArray,
+  ValidateNested,
+  IsInt,
+  Min,
+  Max,
+  IsDateString,
+  Matches,
+} from 'class-validator';
+import { Type } from 'class-transformer';
+import { EnfantRepriseDto } from './enfant-reprise.dto';
 
-/** Body PUT /auth/reprise-resoumettre – token + champs modifiables. Ticket #111 */
+/** Body PATCH /auth/reprise-resoumettre – token + champs modifiables du wizard. #111 + #112 */
 export class ResoumettreRepriseDto {
   @ApiProperty({ description: 'Token reprise (reçu par email)' })
   @IsUUID()
   token: string;
 
+  // --- Identité titulaire (parent principal ou AM) ---
+
   @ApiProperty({ required: false })
   @IsOptional()
   @IsString()
@@ -42,8 +59,147 @@ export class ResoumettreRepriseDto {
   @MaxLength(10)
   code_postal?: string;
 
-  @ApiProperty({ required: false, description: 'Pour AM' })
+  @ApiProperty({ required: false, description: 'Pour AM (URL photo existante)' })
   @IsOptional()
   @IsString()
   photo_url?: string;
+
+  @ApiProperty({ required: false, description: 'Pour AM (nouvelle photo base64)' })
+  @IsOptional()
+  @IsString()
+  photo_base64?: string;
+
+  @ApiProperty({ required: false, description: 'Pour AM (nom fichier photo)' })
+  @IsOptional()
+  @IsString()
+  photo_filename?: string;
+
+  // --- Co-parent (reprise parent) ---
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsString()
+  co_parent_email?: string;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsString()
+  co_parent_prenom?: string;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsString()
+  co_parent_nom?: string;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsString()
+  @Matches(/^(\+33|0)[1-9](\d{2}){4}$/, {
+    message: 'Le numéro de téléphone du co-parent doit être valide',
+  })
+  co_parent_telephone?: string;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsBoolean()
+  co_parent_meme_adresse?: boolean;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsString()
+  co_parent_adresse?: string;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsString()
+  co_parent_code_postal?: string;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsString()
+  co_parent_ville?: string;
+
+  // --- Motivation dossier famille ---
+
+  @ApiProperty({ required: false, description: 'Alias texte_motivation' })
+  @IsOptional()
+  @IsString()
+  @MaxLength(2000)
+  texte_motivation?: string;
+
+  @ApiProperty({ required: false, description: 'Alias presentation_dossier (inscription)' })
+  @IsOptional()
+  @IsString()
+  @MaxLength(2000)
+  presentation_dossier?: string;
+
+  @ApiProperty({ type: [EnfantRepriseDto], required: false })
+  @IsOptional()
+  @IsArray()
+  @ValidateNested({ each: true })
+  @Type(() => EnfantRepriseDto)
+  enfants?: EnfantRepriseDto[];
+
+  // --- AM ---
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsBoolean()
+  consentement_photo?: boolean;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsDateString()
+  date_naissance?: string;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsString()
+  @MaxLength(100)
+  lieu_naissance_ville?: string;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsString()
+  @MaxLength(100)
+  lieu_naissance_pays?: string;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsString()
+  @MaxLength(50)
+  numero_agrement?: string;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsString()
+  @Matches(/^[1-3]\d{4}(?:2A|2B|\d{2})\d{6}\d{2}$/, {
+    message: 'Le NIR doit contenir 15 caractères (chiffres, ou 2A/2B pour la Corse)',
+  })
+  nir?: string;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsDateString()
+  date_agrement?: string;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsInt()
+  @Min(1)
+  @Max(10)
+  capacite_accueil?: number;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsInt()
+  @Min(0)
+  @Max(10)
+  places_disponibles?: number;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsString()
+  @MaxLength(2000)
+  biographie?: string;
 }