feat: enhance createSport functionality with conflict handling and result management

Co-authored-by: Copilot <copilot@github.com>

apps/backend/src/modules/sport/handlers/create-sport.handler.ts

@@ -1,18 +1,10 @@
 import { Prisma } from '@/generated/prisma/client';
+import { handleResult } from '@/lib/http/handle-result';
 import { createSport } from '@/modules/sport/services/sport.service';
 import type { AppContext } from '@/types/hono';
 import type { CreateSportInput } from '@repo/api-contract';
 
 export async function createSportHandler(c: AppContext) {
   const payload = c.req.valid('json' as never) as CreateSportInput;
-
+  return handleResult(c, await createSport(payload), 201);
-  try {
-    const sport = await createSport(payload);
-    return c.json(sport, 201);
-  } catch (error) {
-    if (error instanceof Prisma.PrismaClientKnownRequestError) {
-      return c.json({ message: 'No se pudo crear el deporte.' }, 409);
-    }
-    throw error;
-  }
 }

apps/backend/src/modules/sport/services/sport.service.ts

@@ -1,6 +1,7 @@
 import { Prisma, Sport } from '@/generated/prisma/client';
+import { Errors } from '@/lib/errors';
 import { db } from '@/lib/prisma';
-import { ok, Result } from '@/lib/result';
+import { err, ok, Result } from '@/lib/result';
 import { v7 as uuidv7 } from 'uuid';
 
 export type CreateSportInput = {
@@ -62,7 +63,15 @@ export async function listSports(): Promise<Result<Sport[]>> {
 export async function createSport(input: CreateSportInput) {
   const slug = await buildUniqueSlug(input.name);
 
-  return db.sport.create({
+  const existing = await db.sport.count({
+    where: { slug },
+  });
+
+  if (existing > 0) {
+    return err(Errors.conflict('Ya existe un deporte con ese nombre.'));
+  }
+
+  var created = db.sport.create({
     data: {
       id: uuidv7(),
       name: input.name.trim(),
@@ -70,6 +79,8 @@ export async function createSport(input: CreateSportInput) {
       isActive: true,
     },
   });
+
+  return ok(created);
 }
 
 export async function getSportById(id: string) {