feat(#156): POST /assistantes-maternelles/dossier staff (actif + mail MDP).

Factorise createAmDossier depuis register/am ; staff crée un dossier
déjà actif et envoie l’e-mail de création de mot de passe.

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

backend/src/routes/assistantes_maternelles/assistantes_maternelles.controller.ts

@@ -7,6 +7,8 @@ import {
   Param,
   Delete,
   UseGuards,
+  HttpCode,
+  HttpStatus,
 } from '@nestjs/common';
 import { AssistantesMaternellesService } from './assistantes_maternelles.service';
 import { ApiBearerAuth, ApiBody, ApiOperation, ApiParam, ApiResponse, ApiTags } from '@nestjs/swagger';
@@ -16,17 +18,49 @@ import { RoleType, Users } from 'src/entities/users.entity';
 import { CreateAssistanteDto } from '../user/dto/create_assistante.dto';
 import { UpdateAssistanteDto } from '../user/dto/update_assistante.dto';
 import { UpdateAmFicheAdminDto } from './dto/update-am-fiche-admin.dto';
+import { StaffCreateAmDossierDto } from './dto/staff-create-am-dossier.dto';
+import { StaffCreateAmDossierResponseDto } from './dto/staff-create-am-dossier-response.dto';
 import { RolesGuard } from 'src/common/guards/roles.guard';
 import { AuthGuard } from 'src/common/guards/auth.guard';
 import { User } from 'src/common/decorators/user.decorator';
 import { mapAmForApi, mapAmsForApi } from './assistantes_maternelles.mapper';
+import { AuthService } from '../auth/auth.service';
+import { RegisterAMCompletDto } from '../auth/dto/register-am-complet.dto';
 
 @ApiTags("Assistantes Maternelles")
 @ApiBearerAuth('access-token')
 @UseGuards(AuthGuard, RolesGuard)
 @Controller('assistantes-maternelles')
 export class AssistantesMaternellesController {
-  constructor(private readonly assistantesMaternellesService: AssistantesMaternellesService) { }
+  constructor(
+    private readonly assistantesMaternellesService: AssistantesMaternellesService,
+    private readonly authService: AuthService,
+  ) { }
+
+  @Roles(RoleType.SUPER_ADMIN, RoleType.GESTIONNAIRE, RoleType.ADMINISTRATEUR)
+  @Post('dossier')
+  @HttpCode(HttpStatus.CREATED)
+  @ApiOperation({
+    summary: 'Créer un dossier AM complet (staff) — ticket #156',
+    description:
+      'Crée user + fiche AM avec statut actif, n° dossier, et envoie l’e-mail de création de mot de passe. ' +
+      'Ne pas utiliser POST /auth/register/am depuis le dashboard.',
+  })
+  @ApiBody({ type: StaffCreateAmDossierDto })
+  @ApiResponse({ status: 201, type: StaffCreateAmDossierResponseDto })
+  @ApiResponse({ status: 400, description: 'Validation métier / NIR' })
+  @ApiResponse({ status: 403, description: 'Rôle non autorisé' })
+  @ApiResponse({ status: 409, description: 'Email / NIR / agrément déjà pris' })
+  async createDossier(
+    @Body() dto: StaffCreateAmDossierDto,
+  ): Promise<StaffCreateAmDossierResponseDto> {
+    const registerDto = {
+      ...dto,
+      acceptation_cgu: true,
+      acceptation_privacy: true,
+    } as RegisterAMCompletDto;
+    return this.authService.createAmDossierStaff(registerDto);
+  }
 
   @Roles(RoleType.SUPER_ADMIN, RoleType.GESTIONNAIRE)
   @ApiOperation({ summary: 'Créer nounou' })