feat: complete admin panel and backend admin api migration

apps/api/src/modules/admin-workshops/admin-workshops.controller.ts

@@ -0,0 +1,52 @@
+import { Body, Controller, Get, HttpCode, Param, Post, Put } from '@nestjs/common';
+import { AdminBranchesService } from '../admin-branches/admin-branches.service';
+import { TableQueryDto } from '../admin-table/table-query.dto';
+import { RequirePermission } from '../auth/guards';
+
+/**
+ * Workshops — legacy views/workshop/*, served by WorkshopController:
+ *   POST workshop/table        -> the grid (also the picker the PreOrder detail uses)
+ *   POST workshop              -> create (workshop + its supervisor, together)
+ *   GET/PUT workshop/{id}
+ *   GET  workshop/active/{id}  -> toggle
+ *
+ * The list route predates the rest (Batch 3 added it for the made-to-order
+ * screen's workshop picker); the CRUD arrived with Batch 11. Both live here so
+ * there is one owner of /admin/workshops, and the logic sits in
+ * AdminBranchesService alongside the branch code it mirrors.
+ */
+@Controller('admin/workshops')
+export class AdminWorkshopsController {
+  constructor(private readonly branches: AdminBranchesService) {}
+
+  @Post('list')
+  @HttpCode(200)
+  list(@Body() query: TableQueryDto) {
+    return this.branches.listWorkshops(query);
+  }
+
+  @Post()
+  @HttpCode(200)
+  @RequirePermission('workshop.create')
+  create(@Body() data: Record<string, unknown>) {
+    return this.branches.createWorkshop(data);
+  }
+
+  @Get('active/:id')
+  @RequirePermission('workshop.list')
+  toggleActive(@Param('id') id: string) {
+    return this.branches.toggleWorkshopActive(id);
+  }
+
+  @Get(':id')
+  @RequirePermission('workshop.list')
+  findOne(@Param('id') id: string) {
+    return this.branches.findWorkshop(id);
+  }
+
+  @Put(':id')
+  @RequirePermission('workshop.list')
+  update(@Param('id') id: string, @Body() data: Record<string, unknown>) {
+    return this.branches.updateWorkshop(id, data);
+  }
+}

apps/api/src/modules/admin-workshops/admin-workshops.module.ts

@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { PrismaModule } from '../../prisma/prisma.module';
+import { AdminBranchesModule } from '../admin-branches/admin-branches.module';
+import { AdminWorkshopsController } from './admin-workshops.controller';
+
+@Module({
+  imports: [PrismaModule, AdminBranchesModule],
+  controllers: [AdminWorkshopsController],
+})
+export class AdminWorkshopsModule {}