diff --git a/apps/backend/package.json b/apps/backend/package.json
index d3004de..fe15250 100644
--- a/apps/backend/package.json
+++ b/apps/backend/package.json
@@ -9,7 +9,9 @@
     "prisma:migrate": "prisma migrate dev",
     "prisma:studio": "prisma studio",
     "prisma:migrate:deploy": "prisma migrate deploy",
-    "prisma:seed": "bun run prisma/seed.ts"
+    "prisma:seed": "bun run prisma/seed.ts",
+    "lint": "biome check src/",
+    "lint:fix": "biome check --write src/"
   },
   "dependencies": {
     "better-auth": "^1.6.11",
diff --git a/apps/backend/prisma.config.ts b/apps/backend/prisma.config.ts
index d0279d3..449ea5c 100644
--- a/apps/backend/prisma.config.ts
+++ b/apps/backend/prisma.config.ts
@@ -10,6 +10,6 @@ export default defineConfig({
     seed: "bun ./prisma/seed.ts",
   },
   datasource: {
-    url: process.env["DATABASE_URL"],
+    url: process.env.DATABASE_URL,
   },
 });
diff --git a/apps/backend/prisma/seed.ts b/apps/backend/prisma/seed.ts
index ca721ff..625fa78 100644
--- a/apps/backend/prisma/seed.ts
+++ b/apps/backend/prisma/seed.ts
@@ -1,10 +1,13 @@
 import "dotenv/config";
+import { PrismaPg } from "@prisma/adapter-pg";
 import { betterAuth } from "better-auth";
 import { prismaAdapter } from "better-auth/adapters/prisma";
 import { PrismaClient } from "../src/generated/prisma/client";
-import { PrismaPg } from "@prisma/adapter-pg";
 
-const adapter = new PrismaPg({ connectionString: process.env.DATABASE_URL! });
+const adapter = new PrismaPg({
+  // biome-ignore lint/style/noNonNullAssertion: required env var
+  connectionString: process.env.DATABASE_URL!,
+});
 const prisma = new PrismaClient({ adapter });
 
 async function main() {
@@ -26,6 +29,7 @@ async function main() {
       disableSignUp: false,
       minPasswordLength: 4,
     },
+    // biome-ignore lint/style/noNonNullAssertion: required env var
     secret: process.env.BETTER_AUTH_SECRET!,
     baseURL: process.env.BETTER_AUTH_URL ?? "http://localhost:3000",
   });
diff --git a/apps/backend/src/index.ts b/apps/backend/src/index.ts
index 7f02e72..3b38334 100644
--- a/apps/backend/src/index.ts
+++ b/apps/backend/src/index.ts
@@ -2,14 +2,14 @@ import { Hono } from "hono";
 import { serveStatic } from "hono/bun";
 import { auth } from "./lib/auth";
 import { authMiddleware } from "./lib/auth-middleware";
-import { requestLogger } from "./lib/request-logger";
-import { startQuoteJob } from "./modules/quotes/quote.job";
-import quotesRouter from "./modules/quotes/quotes.routes";
-import expensesRouter from "./modules/expenses/expenses.routes";
-import { startExpenseJob } from "./modules/expenses/expense.job";
 import { cache } from "./lib/cache";
 import { eventBus } from "./lib/event-bus";
 import { logger } from "./lib/logger";
+import { requestLogger } from "./lib/request-logger";
+import { startExpenseJob } from "./modules/expenses/expense.job";
+import expensesRouter from "./modules/expenses/expenses.routes";
+import { startQuoteJob } from "./modules/quotes/quote.job";
+import quotesRouter from "./modules/quotes/quotes.routes";
 
 const app = new Hono();
 
diff --git a/apps/backend/src/lib/auth.ts b/apps/backend/src/lib/auth.ts
index fb530dc..eec0ade 100644
--- a/apps/backend/src/lib/auth.ts
+++ b/apps/backend/src/lib/auth.ts
@@ -2,6 +2,11 @@ import { betterAuth } from "better-auth";
 import { prismaAdapter } from "better-auth/adapters/prisma";
 import { prisma } from "./prisma";
 
+// biome-ignore lint/style/noNonNullAssertion: required env vars
+const secret = process.env.BETTER_AUTH_SECRET!;
+// biome-ignore lint/style/noNonNullAssertion: required env vars
+const baseURL = process.env.BETTER_AUTH_URL!;
+
 export const auth = betterAuth({
   database: prismaAdapter(prisma, {
     provider: "postgresql",
@@ -11,10 +16,7 @@ export const auth = betterAuth({
     disableSignUp: true,
     minPasswordLength: 4,
   },
-  secret: process.env.BETTER_AUTH_SECRET!,
-  baseURL: process.env.BETTER_AUTH_URL!,
-  trustedOrigins: [
-    process.env.BETTER_AUTH_URL!,
-    "http://localhost:5173",
-  ],
+  secret,
+  baseURL,
+  trustedOrigins: [baseURL, "http://localhost:5173"],
 });
diff --git a/apps/backend/src/lib/event-bus.ts b/apps/backend/src/lib/event-bus.ts
index 230f593..65f81da 100644
--- a/apps/backend/src/lib/event-bus.ts
+++ b/apps/backend/src/lib/event-bus.ts
@@ -7,12 +7,14 @@ class EventBus {
     if (!this.listeners.has(event)) {
       this.listeners.set(event, new Set());
     }
-    this.listeners.get(event)!.add(listener);
+    this.listeners.get(event)?.add(listener);
     return () => this.listeners.get(event)?.delete(listener);
   }
 
   emit(event: string, ...args: unknown[]): void {
-    this.listeners.get(event)?.forEach((listener) => listener(...args));
+    this.listeners.get(event)?.forEach((listener) => {
+      listener(...args);
+    });
   }
 }
 
diff --git a/apps/backend/src/lib/prisma.ts b/apps/backend/src/lib/prisma.ts
index 9567412..5a4c6a0 100644
--- a/apps/backend/src/lib/prisma.ts
+++ b/apps/backend/src/lib/prisma.ts
@@ -2,5 +2,7 @@ import "dotenv/config";
 import { PrismaPg } from "@prisma/adapter-pg";
 import { PrismaClient } from "../generated/prisma/client";
 
-const adapter = new PrismaPg({ connectionString: process.env.DATABASE_URL! });
+// biome-ignore lint/style/noNonNullAssertion: required env var
+const databaseUrl = process.env.DATABASE_URL!;
+const adapter = new PrismaPg({ connectionString: databaseUrl });
 export const prisma = new PrismaClient({ adapter });
diff --git a/apps/backend/src/modules/expenses/expenses.routes.ts b/apps/backend/src/modules/expenses/expenses.routes.ts
index 8b45589..b9a8aaf 100644
--- a/apps/backend/src/modules/expenses/expenses.routes.ts
+++ b/apps/backend/src/modules/expenses/expenses.routes.ts
@@ -1,18 +1,18 @@
 import { Hono } from "hono";
-import { createPeriodicExpenseHandler } from "./handlers/createPeriodicExpense";
-import { listPeriodicExpensesHandler } from "./handlers/listPeriodicExpenses";
-import { updatePeriodicExpenseHandler } from "./handlers/updatePeriodicExpense";
-import { softDeletePeriodicExpenseHandler } from "./handlers/softDeletePeriodicExpense";
-import { generateMonthlyExpenseHandler } from "./handlers/generateMonthlyExpense";
-import { listExpensesHandler } from "./handlers/listExpenses";
 import { createNonPeriodicExpenseHandler } from "./handlers/createNonPeriodicExpense";
-import { payExpenseHandler } from "./handlers/payExpense";
+import { createPeriodicExpenseHandler } from "./handlers/createPeriodicExpense";
+import { generateMonthlyExpenseHandler } from "./handlers/generateMonthlyExpense";
 import { getMonthlyPayedTotalHandler } from "./handlers/getMonthlyPayedTotal";
 import { getMonthlyTotalsHandler } from "./handlers/getMonthlyTotals";
-import { getTotalPendingHandler } from "./handlers/getTotalPending";
 import { getPendingUpcomingExpensesHandler } from "./handlers/getPendingUpcomingExpenses";
-import { importPeriodicExpensesHandler } from "./handlers/importPeriodicExpenses";
+import { getTotalPendingHandler } from "./handlers/getTotalPending";
 import { importExpensesHandler } from "./handlers/importExpenses";
+import { importPeriodicExpensesHandler } from "./handlers/importPeriodicExpenses";
+import { listExpensesHandler } from "./handlers/listExpenses";
+import { listPeriodicExpensesHandler } from "./handlers/listPeriodicExpenses";
+import { payExpenseHandler } from "./handlers/payExpense";
+import { softDeletePeriodicExpenseHandler } from "./handlers/softDeletePeriodicExpense";
+import { updatePeriodicExpenseHandler } from "./handlers/updatePeriodicExpense";
 
 const app = new Hono();
 
@@ -21,7 +21,10 @@ app.post("/periodic-expenses", createPeriodicExpenseHandler);
 app.put("/periodic-expenses/:id", updatePeriodicExpenseHandler);
 app.delete("/periodic-expenses/:id", softDeletePeriodicExpenseHandler);
 app.post("/periodic-expenses/import", importPeriodicExpensesHandler);
-app.post("/periodic-expenses/:id/generate-month", generateMonthlyExpenseHandler);
+app.post(
+  "/periodic-expenses/:id/generate-month",
+  generateMonthlyExpenseHandler,
+);
 
 app.get("/expenses/monthly-total", getMonthlyPayedTotalHandler);
 app.get("/expenses/totals", getMonthlyTotalsHandler);
diff --git a/apps/backend/src/modules/expenses/expenses.service.ts b/apps/backend/src/modules/expenses/expenses.service.ts
index 9a077c7..a8fd179 100644
--- a/apps/backend/src/modules/expenses/expenses.service.ts
+++ b/apps/backend/src/modules/expenses/expenses.service.ts
@@ -1,7 +1,7 @@
 import { z } from "zod";
-import { prisma } from "../../lib/prisma";
-import { cache } from "../../lib/cache";
 import { PaymentStatus } from "../../generated/prisma/client";
+import { cache } from "../../lib/cache";
+import { prisma } from "../../lib/prisma";
 
 export const createPeriodicExpenseSchema = z.object({
   description: z.string().min(1).max(50),
@@ -27,7 +27,11 @@ function lastDayOfMonth(year: number, month: number): number {
   return new Date(year, month, 0).getDate();
 }
 
-export function buildDueDate(year: number, month: number, dueDay: number): Date {
+export function buildDueDate(
+  year: number,
+  month: number,
+  dueDay: number,
+): Date {
   const clampedDay = Math.min(dueDay, lastDayOfMonth(year, month));
   return new Date(Date.UTC(year, month - 1, clampedDay, 0, 0, 0, 0));
 }
@@ -49,15 +53,20 @@ export async function listPeriodicExpenses() {
   return data;
 }
 
-export async function createPeriodicExpense(data: z.infer<typeof createPeriodicExpenseSchema>) {
+export async function createPeriodicExpense(
+  data: z.infer<typeof createPeriodicExpenseSchema>,
+) {
   const result = await prisma.periodicExpense.create({ data });
-  const { year, month } = getCurrentYearMonthUTC();
+  const { month } = getCurrentYearMonthUTC();
   const currentMonthApplicable = data.periods.includes(month);
   cache.invalidateByPrefix("expenses:");
   return { ...result, currentMonthApplicable };
 }
 
-export async function updatePeriodicExpense(id: number, data: z.infer<typeof updatePeriodicExpenseSchema>) {
+export async function updatePeriodicExpense(
+  id: number,
+  data: z.infer<typeof updatePeriodicExpenseSchema>,
+) {
   const result = await prisma.periodicExpense.update({ where: { id }, data });
   cache.invalidateByPrefix("expenses:");
   return result;
@@ -73,7 +82,9 @@ export async function softDeletePeriodicExpense(id: number) {
 }
 
 export async function generateMonthlyExpense(id: number) {
-  const periodic = await prisma.periodicExpense.findUniqueOrThrow({ where: { id } });
+  const periodic = await prisma.periodicExpense.findUniqueOrThrow({
+    where: { id },
+  });
   const { year, month } = getCurrentYearMonthUTC();
 
   const existing = await prisma.expense.findFirst({
@@ -135,7 +146,9 @@ export async function listExpenses(params: {
   return result;
 }
 
-export async function createNonPeriodicExpense(data: z.infer<typeof createNonPeriodicExpenseSchema>) {
+export async function createNonPeriodicExpense(
+  data: z.infer<typeof createNonPeriodicExpenseSchema>,
+) {
   const dueDate = new Date(data.dueDate);
   const year = dueDate.getUTCFullYear();
   const month = dueDate.getUTCMonth() + 1;
@@ -155,8 +168,13 @@ export async function createNonPeriodicExpense(data: z.infer<typeof createNonPer
   return result;
 }
 
-export async function payExpense(id: number, data: z.infer<typeof payExpenseSchema>) {
-  const paymentDate = data.paymentDate ? new Date(data.paymentDate) : new Date();
+export async function payExpense(
+  id: number,
+  data: z.infer<typeof payExpenseSchema>,
+) {
+  const paymentDate = data.paymentDate
+    ? new Date(data.paymentDate)
+    : new Date();
   const result = await prisma.expense.update({
     where: { id },
     data: {
@@ -189,7 +207,9 @@ export async function getMonthlyTotals(year: number, month: number) {
   const cached = cache.get(cacheKey);
   if (cached) return cached;
 
-  const result = await prisma.$queryRaw<Array<{ payed: string | null; pending: string | null }>>`
+  const result = await prisma.$queryRaw<
+    Array<{ payed: string | null; pending: string | null }>
+  >`
     SELECT
       (SELECT CAST(SUM("amountPayed") AS NUMERIC) FROM expenses WHERE year = ${year} AND month = ${month} AND status = ${PaymentStatus.PAYED}::"PaymentStatus") as payed,
       (SELECT CAST(SUM(amount) AS NUMERIC) FROM expenses WHERE year = ${year} AND month = ${month} AND status = ${PaymentStatus.PENDING}::"PaymentStatus") as pending
@@ -218,7 +238,17 @@ export async function getTotalPending() {
 
 export async function listPendingUpcomingExpenses() {
   const now = new Date();
-  const today = new Date(Date.UTC(now.getUTCFullYear(), now.getUTCMonth(), now.getUTCDate(), 0, 0, 0, 0));
+  const today = new Date(
+    Date.UTC(
+      now.getUTCFullYear(),
+      now.getUTCMonth(),
+      now.getUTCDate(),
+      0,
+      0,
+      0,
+      0,
+    ),
+  );
   const fiveDaysLater = new Date(today);
   fiveDaysLater.setUTCDate(fiveDaysLater.getUTCDate() + 5);
 
@@ -233,7 +263,8 @@ export async function listPendingUpcomingExpenses() {
 
   return data.map((expense) => ({
     ...expense,
-    dueType: expense.dueDate < today ? "overdue" as const : "upcoming" as const,
+    dueType:
+      expense.dueDate < today ? ("overdue" as const) : ("upcoming" as const),
   }));
 }
 
diff --git a/apps/backend/src/modules/expenses/handlers/createNonPeriodicExpense.ts b/apps/backend/src/modules/expenses/handlers/createNonPeriodicExpense.ts
index f319c45..83c6e4f 100644
--- a/apps/backend/src/modules/expenses/handlers/createNonPeriodicExpense.ts
+++ b/apps/backend/src/modules/expenses/handlers/createNonPeriodicExpense.ts
@@ -1,5 +1,8 @@
 import type { Context } from "hono";
-import { createNonPeriodicExpense, createNonPeriodicExpenseSchema } from "../expenses.service";
+import {
+  createNonPeriodicExpense,
+  createNonPeriodicExpenseSchema,
+} from "../expenses.service";
 
 export async function createNonPeriodicExpenseHandler(c: Context) {
   const body = await c.req.json();
diff --git a/apps/backend/src/modules/expenses/handlers/createPeriodicExpense.ts b/apps/backend/src/modules/expenses/handlers/createPeriodicExpense.ts
index 446cc03..1d6c9f5 100644
--- a/apps/backend/src/modules/expenses/handlers/createPeriodicExpense.ts
+++ b/apps/backend/src/modules/expenses/handlers/createPeriodicExpense.ts
@@ -1,5 +1,8 @@
 import type { Context } from "hono";
-import { createPeriodicExpense, createPeriodicExpenseSchema } from "../expenses.service";
+import {
+  createPeriodicExpense,
+  createPeriodicExpenseSchema,
+} from "../expenses.service";
 
 export async function createPeriodicExpenseHandler(c: Context) {
   const body = await c.req.json();
diff --git a/apps/backend/src/modules/expenses/handlers/getMonthlyPayedTotal.ts b/apps/backend/src/modules/expenses/handlers/getMonthlyPayedTotal.ts
index 4bb7e0f..f24e2b3 100644
--- a/apps/backend/src/modules/expenses/handlers/getMonthlyPayedTotal.ts
+++ b/apps/backend/src/modules/expenses/handlers/getMonthlyPayedTotal.ts
@@ -2,8 +2,14 @@ import type { Context } from "hono";
 import { getMonthlyPayedTotal } from "../expenses.service";
 
 export async function getMonthlyPayedTotalHandler(c: Context) {
-  const year = parseInt(c.req.query("year") ?? String(new Date().getUTCFullYear()), 10);
-  const month = parseInt(c.req.query("month") ?? String(new Date().getUTCMonth() + 1), 10);
+  const year = parseInt(
+    c.req.query("year") ?? String(new Date().getUTCFullYear()),
+    10,
+  );
+  const month = parseInt(
+    c.req.query("month") ?? String(new Date().getUTCMonth() + 1),
+    10,
+  );
   const result = await getMonthlyPayedTotal(year, month);
   return c.json(result);
 }
diff --git a/apps/backend/src/modules/expenses/handlers/getMonthlyTotals.ts b/apps/backend/src/modules/expenses/handlers/getMonthlyTotals.ts
index a7cedfd..a0d59dd 100644
--- a/apps/backend/src/modules/expenses/handlers/getMonthlyTotals.ts
+++ b/apps/backend/src/modules/expenses/handlers/getMonthlyTotals.ts
@@ -2,8 +2,14 @@ import type { Context } from "hono";
 import { getMonthlyTotals } from "../expenses.service";
 
 export async function getMonthlyTotalsHandler(c: Context) {
-  const year = parseInt(c.req.query("year") ?? String(new Date().getUTCFullYear()), 10);
-  const month = parseInt(c.req.query("month") ?? String(new Date().getUTCMonth() + 1), 10);
+  const year = parseInt(
+    c.req.query("year") ?? String(new Date().getUTCFullYear()),
+    10,
+  );
+  const month = parseInt(
+    c.req.query("month") ?? String(new Date().getUTCMonth() + 1),
+    10,
+  );
   const result = await getMonthlyTotals(year, month);
   return c.json(result);
 }
diff --git a/apps/backend/src/modules/expenses/handlers/importExpenses.ts b/apps/backend/src/modules/expenses/handlers/importExpenses.ts
index 1a669b5..7d37b6d 100644
--- a/apps/backend/src/modules/expenses/handlers/importExpenses.ts
+++ b/apps/backend/src/modules/expenses/handlers/importExpenses.ts
@@ -1,26 +1,26 @@
 import type { Context } from "hono";
-import { prisma } from "../../../lib/prisma";
+import { PaymentStatus } from "../../../generated/prisma/client";
 import { cache } from "../../../lib/cache";
 import { logger } from "../../../lib/logger";
-import { PaymentStatus } from "../../../generated/prisma/client";
+import { prisma } from "../../../lib/prisma";
 
 function parseAmount(raw: string): number | null {
   const cleaned = raw.replace("$", "").replace(/,/g, "").trim();
   if (!cleaned) return null;
   const n = Number(cleaned);
-  return isNaN(n) ? null : n;
+  return Number.isNaN(n) ? null : n;
 }
 
 function parseDate(raw: string): Date | null {
   const trimmed = raw.trim();
   if (!trimmed) return null;
   const d = new Date(trimmed);
-  return isNaN(d.getTime()) ? null : d;
+  return Number.isNaN(d.getTime()) ? null : d;
 }
 
 export async function importExpensesHandler(c: Context) {
   const body = await c.req.parseBody();
-  const file = body["file"];
+  const file = body.file;
 
   if (!file || !(file instanceof File)) {
     return c.json({ error: "No se envió ningún archivo" }, 400);
@@ -30,7 +30,10 @@ export async function importExpensesHandler(c: Context) {
   const lines = text.trim().split("\n");
 
   if (lines.length < 2) {
-    return c.json({ error: "El archivo está vacío o solo tiene encabezados" }, 400);
+    return c.json(
+      { error: "El archivo está vacío o solo tiene encabezados" },
+      400,
+    );
   }
 
   let imported = 0;
@@ -43,7 +46,9 @@ export async function importExpensesHandler(c: Context) {
 
     const parts = line.split("|");
     if (parts.length < 10) {
-      errors.push(`Línea ${i + 1}: formato inválido (${parts.length} columnas)`);
+      errors.push(
+        `Línea ${i + 1}: formato inválido (${parts.length} columnas)`,
+      );
       continue;
     }
 
@@ -68,7 +73,9 @@ export async function importExpensesHandler(c: Context) {
       const paymentDate = parseDate(rawPaymentDate);
 
       if (!dueDate) {
-        errors.push(`Línea ${i + 1} ("${description}"): fecha de vencimiento inválida`);
+        errors.push(
+          `Línea ${i + 1} ("${description}"): fecha de vencimiento inválida`,
+        );
         continue;
       }
 
@@ -90,7 +97,8 @@ export async function importExpensesHandler(c: Context) {
         }
       }
 
-      const status = rawStatus === "PAYED" ? PaymentStatus.PAYED : PaymentStatus.PENDING;
+      const status =
+        rawStatus === "PAYED" ? PaymentStatus.PAYED : PaymentStatus.PENDING;
 
       await prisma.expense.create({
         data: {
diff --git a/apps/backend/src/modules/expenses/handlers/importPeriodicExpenses.ts b/apps/backend/src/modules/expenses/handlers/importPeriodicExpenses.ts
index 78c594c..04d969a 100644
--- a/apps/backend/src/modules/expenses/handlers/importPeriodicExpenses.ts
+++ b/apps/backend/src/modules/expenses/handlers/importPeriodicExpenses.ts
@@ -1,7 +1,7 @@
 import type { Context } from "hono";
-import { prisma } from "../../../lib/prisma";
 import { cache } from "../../../lib/cache";
 import { logger } from "../../../lib/logger";
+import { prisma } from "../../../lib/prisma";
 
 function parseArgentineAmount(raw: string): number {
   const cleaned = raw.replace("$", "").replace(/,/g, "").trim();
@@ -16,7 +16,7 @@ function parsePeriods(raw: string): number[] {
 
 export async function importPeriodicExpensesHandler(c: Context) {
   const body = await c.req.parseBody();
-  const file = body["file"];
+  const file = body.file;
 
   if (!file || !(file instanceof File)) {
     return c.json({ error: "No se envió ningún archivo" }, 400);
@@ -26,7 +26,10 @@ export async function importPeriodicExpensesHandler(c: Context) {
   const lines = text.trim().split("\n");
 
   if (lines.length < 2) {
-    return c.json({ error: "El archivo está vacío o solo tiene encabezados" }, 400);
+    return c.json(
+      { error: "El archivo está vacío o solo tiene encabezados" },
+      400,
+    );
   }
 
   let imported = 0;
@@ -71,8 +74,8 @@ export async function importPeriodicExpensesHandler(c: Context) {
       await prisma.periodicExpense.create({
         data: {
           description,
-          defaultDueDay: isNaN(defaultDueDay) ? 1 : defaultDueDay,
-          defaultAmount: isNaN(defaultAmount) ? 0 : defaultAmount,
+          defaultDueDay: Number.isNaN(defaultDueDay) ? 1 : defaultDueDay,
+          defaultAmount: Number.isNaN(defaultAmount) ? 0 : defaultAmount,
           periods,
         },
       });
diff --git a/apps/backend/src/modules/expenses/handlers/listExpenses.ts b/apps/backend/src/modules/expenses/handlers/listExpenses.ts
index 7b41d61..e2a8b27 100644
--- a/apps/backend/src/modules/expenses/handlers/listExpenses.ts
+++ b/apps/backend/src/modules/expenses/handlers/listExpenses.ts
@@ -11,7 +11,9 @@ export async function listExpensesHandler(c: Context) {
     status,
     page,
     pageSize,
-    periodicExpenseId: periodicExpenseId ? parseInt(periodicExpenseId, 10) : undefined,
+    periodicExpenseId: periodicExpenseId
+      ? parseInt(periodicExpenseId, 10)
+      : undefined,
     search: search || undefined,
   });
   return c.json(result);
diff --git a/apps/backend/src/modules/expenses/handlers/updatePeriodicExpense.ts b/apps/backend/src/modules/expenses/handlers/updatePeriodicExpense.ts
index ad29cb0..021deb2 100644
--- a/apps/backend/src/modules/expenses/handlers/updatePeriodicExpense.ts
+++ b/apps/backend/src/modules/expenses/handlers/updatePeriodicExpense.ts
@@ -1,5 +1,8 @@
 import type { Context } from "hono";
-import { updatePeriodicExpense, updatePeriodicExpenseSchema } from "../expenses.service";
+import {
+  updatePeriodicExpense,
+  updatePeriodicExpenseSchema,
+} from "../expenses.service";
 
 export async function updatePeriodicExpenseHandler(c: Context) {
   const id = Number(c.req.param("id"));
diff --git a/apps/backend/src/modules/quotes/belo.service.ts b/apps/backend/src/modules/quotes/belo.service.ts
index ef96214..95f2364 100644
--- a/apps/backend/src/modules/quotes/belo.service.ts
+++ b/apps/backend/src/modules/quotes/belo.service.ts
@@ -45,7 +45,10 @@ export async function processBeloQuote(): Promise<void> {
   const diff = roundTo(sell - existingSell, 2);
   const pct = existingSell !== 0 ? roundTo((diff / existingSell) * 100, 2) : 0;
 
-  logger.debug({ buy, sell, diferencia: diff, porcentaje: pct }, `Cotización BELO`);
+  logger.debug(
+    { buy, sell, diferencia: diff, porcentaje: pct },
+    `Cotización BELO`,
+  );
 
   const todayStart = startOfToday();
 
@@ -62,7 +65,8 @@ export async function processBeloQuote(): Promise<void> {
   if (prevDayHistory) {
     const prevSell = Number(prevDayHistory.sell);
     prevDayDiff = roundTo(sell - prevSell, 2);
-    prevDayPct = prevSell !== 0 ? roundTo((prevDayDiff / prevSell) * 100, 2) : 0;
+    prevDayPct =
+      prevSell !== 0 ? roundTo((prevDayDiff / prevSell) * 100, 2) : 0;
   }
 
   await prisma.quote.update({
diff --git a/apps/backend/src/modules/quotes/blue.service.ts b/apps/backend/src/modules/quotes/blue.service.ts
index 0c5e783..a5d62a4 100644
--- a/apps/backend/src/modules/quotes/blue.service.ts
+++ b/apps/backend/src/modules/quotes/blue.service.ts
@@ -10,22 +10,25 @@ interface DolaritoApiResponse {
 }
 
 export async function fetchBlueQuote(): Promise<{ buy: number; sell: number }> {
-  const response = await fetch("https://api.dolarito.ar/api/frontend/quotations/dolar", {
-    credentials: "omit",
-    headers: {
-      "User-Agent":
-        "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:139.0) Gecko/20100101 Firefox/139.0",
-      Accept: "application/json, text/plain, */*",
-      "Accept-Language": "es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3",
-      "auth-client": "a4b981d93266b37ea6a646f5b3538f8a",
-      "Sec-Fetch-Dest": "empty",
-      "Sec-Fetch-Mode": "cors",
-      "Sec-Fetch-Site": "same-site",
+  const response = await fetch(
+    "https://api.dolarito.ar/api/frontend/quotations/dolar",
+    {
+      credentials: "omit",
+      headers: {
+        "User-Agent":
+          "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:139.0) Gecko/20100101 Firefox/139.0",
+        Accept: "application/json, text/plain, */*",
+        "Accept-Language": "es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3",
+        "auth-client": "a4b981d93266b37ea6a646f5b3538f8a",
+        "Sec-Fetch-Dest": "empty",
+        "Sec-Fetch-Mode": "cors",
+        "Sec-Fetch-Site": "same-site",
+      },
+      referrer: "https://www.dolarito.ar/",
+      method: "GET",
+      mode: "cors",
     },
-    referrer: "https://www.dolarito.ar/",
-    method: "GET",
-    mode: "cors",
-  });
+  );
   const data: DolaritoApiResponse = await response.json();
   return { buy: data.informal.buy, sell: data.informal.sell };
 }
@@ -59,7 +62,10 @@ export async function processBlueQuote(): Promise<void> {
   const diff = roundTo(sell - existingSell, 2);
   const pct = existingSell !== 0 ? roundTo((diff / existingSell) * 100, 2) : 0;
 
-  logger.debug({ buy, sell, diferencia: diff, porcentaje: pct }, `Cotización BLUE`);
+  logger.debug(
+    { buy, sell, diferencia: diff, porcentaje: pct },
+    `Cotización BLUE`,
+  );
 
   const todayStart = startOfToday();
 
@@ -76,7 +82,8 @@ export async function processBlueQuote(): Promise<void> {
   if (prevDayHistory) {
     const prevSell = Number(prevDayHistory.sell);
     prevDayDiff = roundTo(sell - prevSell, 2);
-    prevDayPct = prevSell !== 0 ? roundTo((prevDayDiff / prevSell) * 100, 2) : 0;
+    prevDayPct =
+      prevSell !== 0 ? roundTo((prevDayDiff / prevSell) * 100, 2) : 0;
   }
 
   await prisma.quote.update({
diff --git a/apps/backend/src/modules/quotes/bna.service.ts b/apps/backend/src/modules/quotes/bna.service.ts
index 497b8f4..feec2e8 100644
--- a/apps/backend/src/modules/quotes/bna.service.ts
+++ b/apps/backend/src/modules/quotes/bna.service.ts
@@ -10,22 +10,25 @@ interface DolaritoApiResponse {
 }
 
 export async function fetchBnaQuote(): Promise<{ buy: number; sell: number }> {
-  const response = await fetch("https://api.dolarito.ar/api/frontend/quotations/dolar", {
-    credentials: "omit",
-    headers: {
-      "User-Agent":
-        "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:139.0) Gecko/20100101 Firefox/139.0",
-      Accept: "application/json, text/plain, */*",
-      "Accept-Language": "es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3",
-      "auth-client": "a4b981d93266b37ea6a646f5b3538f8a",
-      "Sec-Fetch-Dest": "empty",
-      "Sec-Fetch-Mode": "cors",
-      "Sec-Fetch-Site": "same-site",
+  const response = await fetch(
+    "https://api.dolarito.ar/api/frontend/quotations/dolar",
+    {
+      credentials: "omit",
+      headers: {
+        "User-Agent":
+          "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:139.0) Gecko/20100101 Firefox/139.0",
+        Accept: "application/json, text/plain, */*",
+        "Accept-Language": "es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3",
+        "auth-client": "a4b981d93266b37ea6a646f5b3538f8a",
+        "Sec-Fetch-Dest": "empty",
+        "Sec-Fetch-Mode": "cors",
+        "Sec-Fetch-Site": "same-site",
+      },
+      referrer: "https://www.dolarito.ar/",
+      method: "GET",
+      mode: "cors",
     },
-    referrer: "https://www.dolarito.ar/",
-    method: "GET",
-    mode: "cors",
-  });
+  );
   const data: DolaritoApiResponse = await response.json();
   return { buy: data.oficial.buy, sell: data.oficial.sell };
 }
@@ -59,7 +62,10 @@ export async function processBnaQuote(): Promise<void> {
   const diff = roundTo(sell - existingSell, 2);
   const pct = existingSell !== 0 ? roundTo((diff / existingSell) * 100, 2) : 0;
 
-  logger.debug({ buy, sell, diferencia: diff, porcentaje: pct }, `Cotización BNA`);
+  logger.debug(
+    { buy, sell, diferencia: diff, porcentaje: pct },
+    `Cotización BNA`,
+  );
 
   const todayStart = startOfToday();
 
@@ -76,7 +82,8 @@ export async function processBnaQuote(): Promise<void> {
   if (prevDayHistory) {
     const prevSell = Number(prevDayHistory.sell);
     prevDayDiff = roundTo(sell - prevSell, 2);
-    prevDayPct = prevSell !== 0 ? roundTo((prevDayDiff / prevSell) * 100, 2) : 0;
+    prevDayPct =
+      prevSell !== 0 ? roundTo((prevDayDiff / prevSell) * 100, 2) : 0;
   }
 
   await prisma.quote.update({
diff --git a/apps/backend/src/modules/quotes/handlers/fetchQuotes.ts b/apps/backend/src/modules/quotes/handlers/fetchQuotes.ts
index 1c33f22..8b2b61d 100644
--- a/apps/backend/src/modules/quotes/handlers/fetchQuotes.ts
+++ b/apps/backend/src/modules/quotes/handlers/fetchQuotes.ts
@@ -1,14 +1,18 @@
 import type { Context } from "hono";
+import { eventBus } from "../../../lib/event-bus";
+import { logger } from "../../../lib/logger";
 import { processBeloQuote } from "../belo.service";
 import { processBlueQuote } from "../blue.service";
 import { processBnaQuote } from "../bna.service";
-import { logger } from "../../../lib/logger";
-import { eventBus } from "../../../lib/event-bus";
 
 export async function fetchQuotes(c: Context) {
   const results: { type: string; status: string; error?: string }[] = [];
 
-  for (const [name, fn] of [["BELO", processBeloQuote], ["BLUE", processBlueQuote], ["BNA", processBnaQuote]] as const) {
+  for (const [name, fn] of [
+    ["BELO", processBeloQuote],
+    ["BLUE", processBlueQuote],
+    ["BNA", processBnaQuote],
+  ] as const) {
     try {
       await fn();
       results.push({ type: name, status: "ok" });
diff --git a/apps/backend/src/modules/quotes/handlers/getCurrentQuotes.ts b/apps/backend/src/modules/quotes/handlers/getCurrentQuotes.ts
index c63ed06..ca49b0a 100644
--- a/apps/backend/src/modules/quotes/handlers/getCurrentQuotes.ts
+++ b/apps/backend/src/modules/quotes/handlers/getCurrentQuotes.ts
@@ -1,6 +1,6 @@
 import type { Context } from "hono";
-import { prisma } from "../../../lib/prisma";
 import { cache } from "../../../lib/cache";
+import { prisma } from "../../../lib/prisma";
 
 export async function getCurrentQuotes(c: Context) {
   const cached = cache.get("quotes:current");
diff --git a/apps/backend/src/modules/quotes/handlers/getDailyMinMax.ts b/apps/backend/src/modules/quotes/handlers/getDailyMinMax.ts
index 9ff2114..4b42e83 100644
--- a/apps/backend/src/modules/quotes/handlers/getDailyMinMax.ts
+++ b/apps/backend/src/modules/quotes/handlers/getDailyMinMax.ts
@@ -1,15 +1,20 @@
 import type { Context } from "hono";
-import { prisma } from "../../../lib/prisma";
-import { cache } from "../../../lib/cache";
 import type { QuoteType } from "../../../generated/prisma/client";
+import { cache } from "../../../lib/cache";
+import { prisma } from "../../../lib/prisma";
 
 const VALID_TYPES = ["BLUE", "BNA", "BELO"] as const;
 
 export async function getDailyMinMax(c: Context) {
-  const rawType = c.req.param("type")!.toUpperCase();
+  const rawType = c.req.param("type")?.toUpperCase();
 
-  if (!VALID_TYPES.includes(rawType as typeof VALID_TYPES[number])) {
-    return c.json({ error: `Invalid quote type. Must be one of: ${VALID_TYPES.join(", ")}` }, 400);
+  if (!VALID_TYPES.includes(rawType as (typeof VALID_TYPES)[number])) {
+    return c.json(
+      {
+        error: `Invalid quote type. Must be one of: ${VALID_TYPES.join(", ")}`,
+      },
+      400,
+    );
   }
 
   const startDateParam = c.req.query("startDate");
@@ -23,7 +28,7 @@ export async function getDailyMinMax(c: Context) {
     ? new Date(new Date(endDateParam).getTime() + 86_400_000)
     : now;
 
-  if (isNaN(startDate.getTime()) || isNaN(endDate.getTime())) {
+  if (Number.isNaN(startDate.getTime()) || Number.isNaN(endDate.getTime())) {
     return c.json({ error: "Invalid date format. Use ISO 8601." }, 400);
   }
 
@@ -31,13 +36,15 @@ export async function getDailyMinMax(c: Context) {
   const cached = cache.get(cacheKey);
   if (cached) return c.json(cached);
 
-  const rows = await prisma.$queryRaw<Array<{
-    date: string;
-    minBuy: number;
-    maxBuy: number;
-    minSell: number;
-    maxSell: number;
-  }>>`
+  const rows = await prisma.$queryRaw<
+    Array<{
+      date: string;
+      minBuy: number;
+      maxBuy: number;
+      minSell: number;
+      maxSell: number;
+    }>
+  >`
     SELECT
       DATE("timeStamp")::text AS date,
       MIN(buy::numeric)::float8 AS "minBuy",
diff --git a/apps/backend/src/modules/quotes/handlers/getDailyQuotes.ts b/apps/backend/src/modules/quotes/handlers/getDailyQuotes.ts
index c198de6..0a45d61 100644
--- a/apps/backend/src/modules/quotes/handlers/getDailyQuotes.ts
+++ b/apps/backend/src/modules/quotes/handlers/getDailyQuotes.ts
@@ -1,14 +1,19 @@
 import type { Context } from "hono";
-import { prisma } from "../../../lib/prisma";
 import { cache } from "../../../lib/cache";
+import { prisma } from "../../../lib/prisma";
 
 const VALID_TYPES = ["BLUE", "BNA", "BELO"] as const;
 
 export async function getDailyQuotes(c: Context) {
-  const rawType = c.req.param("type")!.toUpperCase();
+  const rawType = c.req.param("type")?.toUpperCase();
 
-  if (!VALID_TYPES.includes(rawType as typeof VALID_TYPES[number])) {
-    return c.json({ error: `Invalid quote type. Must be one of: ${VALID_TYPES.join(", ")}` }, 400);
+  if (!VALID_TYPES.includes(rawType as (typeof VALID_TYPES)[number])) {
+    return c.json(
+      {
+        error: `Invalid quote type. Must be one of: ${VALID_TYPES.join(", ")}`,
+      },
+      400,
+    );
   }
 
   const startDateParam = c.req.query("startDate");
@@ -22,7 +27,7 @@ export async function getDailyQuotes(c: Context) {
     ? new Date(new Date(endDateParam).getTime() + 86_400_000)
     : now;
 
-  if (isNaN(startDate.getTime()) || isNaN(endDate.getTime())) {
+  if (Number.isNaN(startDate.getTime()) || Number.isNaN(endDate.getTime())) {
     return c.json({ error: "Invalid date format. Use ISO 8601." }, 400);
   }
 
@@ -30,11 +35,13 @@ export async function getDailyQuotes(c: Context) {
   const cached = cache.get(cacheKey);
   if (cached) return c.json(cached);
 
-  const rows = await prisma.$queryRaw<Array<{
-    date: string;
-    buy: number;
-    sell: number;
-  }>>`
+  const rows = await prisma.$queryRaw<
+    Array<{
+      date: string;
+      buy: number;
+      sell: number;
+    }>
+  >`
     SELECT DATE("timeStamp")::text AS date, buy::numeric::float8 AS buy, sell::numeric::float8 AS sell FROM (
       SELECT DISTINCT ON (DATE("timeStamp")) "timeStamp", buy, sell
       FROM "quotes_history"
diff --git a/apps/backend/src/modules/quotes/handlers/getHistoricalMinMax.ts b/apps/backend/src/modules/quotes/handlers/getHistoricalMinMax.ts
index aa1d6dd..7105198 100644
--- a/apps/backend/src/modules/quotes/handlers/getHistoricalMinMax.ts
+++ b/apps/backend/src/modules/quotes/handlers/getHistoricalMinMax.ts
@@ -1,14 +1,19 @@
 import type { Context } from "hono";
-import { prisma } from "../../../lib/prisma";
 import { cache } from "../../../lib/cache";
+import { prisma } from "../../../lib/prisma";
 
 const VALID_TYPES = ["BLUE", "BNA", "BELO"] as const;
 
 export async function getHistoricalMinMax(c: Context) {
-  const rawType = c.req.param("type")!.toUpperCase();
+  const rawType = c.req.param("type")?.toUpperCase();
 
-  if (!VALID_TYPES.includes(rawType as typeof VALID_TYPES[number])) {
-    return c.json({ error: `Invalid quote type. Must be one of: ${VALID_TYPES.join(", ")}` }, 400);
+  if (!VALID_TYPES.includes(rawType as (typeof VALID_TYPES)[number])) {
+    return c.json(
+      {
+        error: `Invalid quote type. Must be one of: ${VALID_TYPES.join(", ")}`,
+      },
+      400,
+    );
   }
 
   const cacheKey = `quotes:historical:minmax:${rawType}`;
@@ -17,12 +22,14 @@ export async function getHistoricalMinMax(c: Context) {
 
   const type = rawType as string;
 
-  const rows = await prisma.$queryRaw<Array<{
-    minBuy: number;
-    maxBuy: number;
-    minBuyDate: string;
-    maxBuyDate: string;
-  }>>`
+  const rows = await prisma.$queryRaw<
+    Array<{
+      minBuy: number;
+      maxBuy: number;
+      minBuyDate: string;
+      maxBuyDate: string;
+    }>
+  >`
     SELECT
       (SELECT MIN(buy::numeric)::float8 FROM "quotes_history" WHERE "type" = ${type}::"QuoteType") AS "minBuy",
       (SELECT MAX(buy::numeric)::float8 FROM "quotes_history" WHERE "type" = ${type}::"QuoteType") AS "maxBuy",
@@ -30,7 +37,12 @@ export async function getHistoricalMinMax(c: Context) {
       (SELECT "timeStamp"::text FROM "quotes_history" WHERE "type" = ${type}::"QuoteType" ORDER BY buy::numeric DESC LIMIT 1) AS "maxBuyDate"
   `;
 
-  const result = rows[0] ?? { minBuy: 0, maxBuy: 0, minBuyDate: null, maxBuyDate: null };
+  const result = rows[0] ?? {
+    minBuy: 0,
+    maxBuy: 0,
+    minBuyDate: null,
+    maxBuyDate: null,
+  };
 
   cache.set(cacheKey, result);
   return c.json(result);
diff --git a/apps/backend/src/modules/quotes/handlers/getQuoteHistory.ts b/apps/backend/src/modules/quotes/handlers/getQuoteHistory.ts
index 57d7a40..c5e2012 100644
--- a/apps/backend/src/modules/quotes/handlers/getQuoteHistory.ts
+++ b/apps/backend/src/modules/quotes/handlers/getQuoteHistory.ts
@@ -1,15 +1,20 @@
 import type { Context } from "hono";
-import { prisma } from "../../../lib/prisma";
-import { cache } from "../../../lib/cache";
 import type { QuoteType } from "../../../generated/prisma/client";
+import { cache } from "../../../lib/cache";
+import { prisma } from "../../../lib/prisma";
 
 const VALID_TYPES = ["BLUE", "BNA", "BELO"] as const;
 
 export async function getQuoteHistory(c: Context) {
-  const rawType = c.req.param("type")!.toUpperCase();
+  const rawType = c.req.param("type")?.toUpperCase();
 
-  if (!VALID_TYPES.includes(rawType as typeof VALID_TYPES[number])) {
-    return c.json({ error: `Invalid quote type. Must be one of: ${VALID_TYPES.join(", ")}` }, 400);
+  if (!VALID_TYPES.includes(rawType as (typeof VALID_TYPES)[number])) {
+    return c.json(
+      {
+        error: `Invalid quote type. Must be one of: ${VALID_TYPES.join(", ")}`,
+      },
+      400,
+    );
   }
 
   const type = rawType as QuoteType;
@@ -24,7 +29,7 @@ export async function getQuoteHistory(c: Context) {
     ? new Date(new Date(endDateParam).getTime() + 86_400_000)
     : now;
 
-  if (isNaN(startDate.getTime()) || isNaN(endDate.getTime())) {
+  if (Number.isNaN(startDate.getTime()) || Number.isNaN(endDate.getTime())) {
     return c.json({ error: "Invalid date format. Use ISO 8601." }, 400);
   }
 
diff --git a/apps/backend/src/modules/quotes/handlers/quoteEvents.ts b/apps/backend/src/modules/quotes/handlers/quoteEvents.ts
index 1197539..3c87142 100644
--- a/apps/backend/src/modules/quotes/handlers/quoteEvents.ts
+++ b/apps/backend/src/modules/quotes/handlers/quoteEvents.ts
@@ -8,7 +8,9 @@ export function quoteEvents(c: Context) {
   function cleanup() {
     if (isCancelled) return;
     isCancelled = true;
-    cleanups.forEach((fn) => fn());
+    cleanups.forEach((fn) => {
+      fn();
+    });
   }
 
   const stream = new ReadableStream({
@@ -43,7 +45,7 @@ export function quoteEvents(c: Context) {
     headers: {
       "Content-Type": "text/event-stream",
       "Cache-Control": "no-cache",
-      "Connection": "keep-alive",
+      Connection: "keep-alive",
     },
   });
 }
diff --git a/apps/backend/src/modules/quotes/quote.job.ts b/apps/backend/src/modules/quotes/quote.job.ts
index cbf883b..39d869a 100644
--- a/apps/backend/src/modules/quotes/quote.job.ts
+++ b/apps/backend/src/modules/quotes/quote.job.ts
@@ -1,9 +1,9 @@
 import cron from "node-cron";
+import { eventBus } from "../../lib/event-bus";
+import { logger } from "../../lib/logger";
 import { processBeloQuote } from "./belo.service";
 import { processBlueQuote } from "./blue.service";
 import { processBnaQuote } from "./bna.service";
-import { logger } from "../../lib/logger";
-import { eventBus } from "../../lib/event-bus";
 
 async function safeProcess(
   name: string,
diff --git a/apps/backend/src/modules/quotes/quotes.routes.ts b/apps/backend/src/modules/quotes/quotes.routes.ts
index 89828f9..a99a378 100644
--- a/apps/backend/src/modules/quotes/quotes.routes.ts
+++ b/apps/backend/src/modules/quotes/quotes.routes.ts
@@ -1,10 +1,10 @@
 import { Hono } from "hono";
-import { getCurrentQuotes } from "./handlers/getCurrentQuotes";
 import { fetchQuotes } from "./handlers/fetchQuotes";
-import { getQuoteHistory } from "./handlers/getQuoteHistory";
-import { getDailyQuotes } from "./handlers/getDailyQuotes";
+import { getCurrentQuotes } from "./handlers/getCurrentQuotes";
 import { getDailyMinMax } from "./handlers/getDailyMinMax";
+import { getDailyQuotes } from "./handlers/getDailyQuotes";
 import { getHistoricalMinMax } from "./handlers/getHistoricalMinMax";
+import { getQuoteHistory } from "./handlers/getQuoteHistory";
 import { quoteEvents } from "./handlers/quoteEvents";
 
 const app = new Hono();
diff --git a/apps/backend/tests/expenses.test.ts b/apps/backend/tests/expenses.test.ts
index d84dde0..e748bda 100644
--- a/apps/backend/tests/expenses.test.ts
+++ b/apps/backend/tests/expenses.test.ts
@@ -1,4 +1,4 @@
-import { describe, test, expect, mock, beforeEach } from "bun:test";
+import { beforeEach, describe, expect, mock, test } from "bun:test";
 import { PaymentStatus } from "../src/generated/prisma/client";
 
 const mockPrisma = {
@@ -23,7 +23,9 @@ mock.module("../src/lib/prisma", () => ({
 
 beforeEach(() => {
   for (const model of Object.values(mockPrisma)) {
-    for (const fn of Object.values(model as Record<string, ReturnType<typeof mock>>)) {
+    for (const fn of Object.values(
+      model as Record<string, ReturnType<typeof mock>>,
+    )) {
       fn.mockClear();
     }
   }
@@ -32,7 +34,6 @@ beforeEach(() => {
 
 const {
   createPeriodicExpenseSchema,
-  updatePeriodicExpenseSchema,
   createNonPeriodicExpenseSchema,
   payExpenseSchema,
   buildDueDate,
@@ -54,7 +55,7 @@ describe("schemas", () => {
       const result = createPeriodicExpenseSchema.parse({
         description: "Gimnasio",
         defaultDueDay: 10,
-        defaultAmount: 1500.50,
+        defaultAmount: 1500.5,
         periods: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12],
       });
       expect(result.description).toBe("Gimnasio");
@@ -67,7 +68,7 @@ describe("schemas", () => {
           defaultDueDay: 10,
           defaultAmount: 100,
           periods: [1],
-        })
+        }),
       ).toThrow();
     });
 
@@ -78,7 +79,7 @@ describe("schemas", () => {
           defaultDueDay: 10,
           defaultAmount: 100,
           periods: [1],
-        })
+        }),
       ).toThrow();
     });
 
@@ -89,7 +90,7 @@ describe("schemas", () => {
           defaultDueDay: 0,
           defaultAmount: 100,
           periods: [1],
-        })
+        }),
       ).toThrow();
     });
 
@@ -100,7 +101,7 @@ describe("schemas", () => {
           defaultDueDay: 32,
           defaultAmount: 100,
           periods: [1],
-        })
+        }),
       ).toThrow();
     });
 
@@ -111,7 +112,7 @@ describe("schemas", () => {
           defaultDueDay: 15,
           defaultAmount: 0,
           periods: [1],
-        })
+        }),
       ).toThrow();
     });
 
@@ -122,7 +123,7 @@ describe("schemas", () => {
           defaultDueDay: 15,
           defaultAmount: 100,
           periods: [],
-        })
+        }),
       ).toThrow();
     });
 
@@ -133,7 +134,7 @@ describe("schemas", () => {
           defaultDueDay: 15,
           defaultAmount: 100,
           periods: [0, 13],
-        })
+        }),
       ).toThrow();
     });
   });
@@ -154,7 +155,7 @@ describe("schemas", () => {
           description: "Ropa",
           amount: -100,
           dueDate: "2026-06-15T00:00:00.000Z",
-        })
+        }),
       ).toThrow();
     });
   });
@@ -175,9 +176,7 @@ describe("schemas", () => {
     });
 
     test("rejects zero amountPayed", () => {
-      expect(() =>
-        payExpenseSchema.parse({ amountPayed: 0 })
-      ).toThrow();
+      expect(() => payExpenseSchema.parse({ amountPayed: 0 })).toThrow();
     });
   });
 });
@@ -244,7 +243,12 @@ describe("createPeriodicExpense", () => {
       defaultAmount: 1500,
       periods: [6],
     };
-    const created = { id: 1, ...input, isDeleted: false, createdAt: new Date() };
+    const created = {
+      id: 1,
+      ...input,
+      isDeleted: false,
+      createdAt: new Date(),
+    };
     mockPrisma.periodicExpense.create.mockResolvedValueOnce(created);
 
     const result = await createPeriodicExpense(input);
@@ -339,7 +343,11 @@ describe("listExpenses", () => {
 
   test("combines status, periodicExpenseId, and search filters", async () => {
     mockPrisma.expense.findMany.mockResolvedValueOnce([]);
-    await listExpenses({ status: "PENDING", periodicExpenseId: 1, search: "Agua" });
+    await listExpenses({
+      status: "PENDING",
+      periodicExpenseId: 1,
+      search: "Agua",
+    });
     expect(mockPrisma.expense.findMany).toHaveBeenCalledWith({
       where: {
         status: "PENDING",
@@ -406,13 +414,15 @@ describe("payExpense", () => {
   });
 
   test("defaults paymentDate to now when not provided", async () => {
-    mockPrisma.expense.update.mockImplementationOnce(async ({ where, data }) => ({
-      id: where.id,
-      ...data,
-      status: PaymentStatus.PAYED,
-      amountPayed: data.amountPayed,
-      paymentDate: data.paymentDate,
-    }));
+    mockPrisma.expense.update.mockImplementationOnce(
+      async ({ where, data }) => ({
+        id: where.id,
+        ...data,
+        status: PaymentStatus.PAYED,
+        amountPayed: data.amountPayed,
+        paymentDate: data.paymentDate,
+      }),
+    );
 
     const result = await payExpense(1, { amountPayed: 1500 });
     expect(result.status).toBe(PaymentStatus.PAYED);
@@ -424,7 +434,13 @@ describe("generateExpensesForCurrentMonth", () => {
   test("skips existing expenses to avoid duplicates", async () => {
     const { month } = getCurrentYearMonthUTC();
     mockPrisma.periodicExpense.findMany.mockResolvedValueOnce([
-      { id: 1, description: "Gas", defaultDueDay: 15, defaultAmount: 2000, periods: [month] },
+      {
+        id: 1,
+        description: "Gas",
+        defaultDueDay: 15,
+        defaultAmount: 2000,
+        periods: [month],
+      },
     ]);
     mockPrisma.expense.findFirst.mockResolvedValueOnce({ id: 99 });
 
@@ -471,11 +487,23 @@ describe("generateExpensesForCurrentMonth", () => {
 
 describe("generateMonthlyExpense", () => {
   test("creates expense for given periodic expense", async () => {
-    const periodic = { id: 1, description: "Gas", defaultDueDay: 15, defaultAmount: 2000, periods: [6] };
-    mockPrisma.periodicExpense.findUniqueOrThrow.mockResolvedValueOnce(periodic);
+    const periodic = {
+      id: 1,
+      description: "Gas",
+      defaultDueDay: 15,
+      defaultAmount: 2000,
+      periods: [6],
+    };
+    mockPrisma.periodicExpense.findUniqueOrThrow.mockResolvedValueOnce(
+      periodic,
+    );
     mockPrisma.expense.findFirst.mockResolvedValueOnce(null);
     mockPrisma.expense.create.mockResolvedValueOnce({
-      id: 1, description: "Gas", periodicExpenseId: 1, amount: 2000, status: "PENDING",
+      id: 1,
+      description: "Gas",
+      periodicExpenseId: 1,
+      amount: 2000,
+      status: "PENDING",
     });
 
     const result = await generateMonthlyExpense(1);
@@ -485,7 +513,11 @@ describe("generateMonthlyExpense", () => {
   test("returns existing expense instead of duplicating", async () => {
     const existing = { id: 99, description: "Gas", periodicExpenseId: 1 };
     mockPrisma.periodicExpense.findUniqueOrThrow.mockResolvedValueOnce({
-      id: 1, description: "Gas", defaultDueDay: 15, defaultAmount: 2000, periods: [6],
+      id: 1,
+      description: "Gas",
+      defaultDueDay: 15,
+      defaultAmount: 2000,
+      periods: [6],
     });
     mockPrisma.expense.findFirst.mockResolvedValueOnce(existing);
 
diff --git a/apps/frontend/index.html b/apps/frontend/index.html
index e041685..fa6e161 100644
--- a/apps/frontend/index.html
+++ b/apps/frontend/index.html
@@ -5,7 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Personal Admin</title>
     <script>
-      (function() {
+      (() => {
         var theme = localStorage.getItem("theme");
         if (theme === "dark" || (theme !== "light" && window.matchMedia("(prefers-color-scheme: dark)").matches)) {
           document.documentElement.classList.add("dark");
diff --git a/apps/frontend/package.json b/apps/frontend/package.json
index 838567e..a5df18e 100644
--- a/apps/frontend/package.json
+++ b/apps/frontend/package.json
@@ -6,7 +6,9 @@
     "dev": "vite",
     "build": "vite build",
     "typecheck": "tsc --noEmit",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "lint": "biome check src/",
+    "lint:fix": "biome check --write src/"
   },
   "dependencies": {
     "better-auth": "^1.6.11",
diff --git a/apps/frontend/src/App.tsx b/apps/frontend/src/App.tsx
index a540c2d..71d8268 100644
--- a/apps/frontend/src/App.tsx
+++ b/apps/frontend/src/App.tsx
@@ -1,7 +1,7 @@
 import { RouterProvider } from "@tanstack/react-router";
-import { router } from "@/router";
-import { SseProvider } from "@/lib/sse-context";
 import { useAuth } from "@/lib/auth-context";
+import { SseProvider } from "@/lib/sse-context";
+import { router } from "@/router";
 
 function App() {
   const auth = useAuth();
diff --git a/apps/frontend/src/components/layout/Header.tsx b/apps/frontend/src/components/layout/Header.tsx
index 8bd5270..e8b0bf8 100644
--- a/apps/frontend/src/components/layout/Header.tsx
+++ b/apps/frontend/src/components/layout/Header.tsx
@@ -1,8 +1,8 @@
-import { Menu, Sun, Moon, Monitor, LogOut } from "lucide-react";
+import { LogOut, Menu, Monitor, Moon, Sun } from "lucide-react";
 import { Button } from "@/components/ui/button";
+import { useAuth } from "@/lib/auth-context";
 import { useSseStatus } from "@/lib/sse-context";
 import { useTheme } from "@/lib/theme";
-import { useAuth } from "@/lib/auth-context";
 import { cn } from "@/lib/utils";
 
 interface HeaderProps {
diff --git a/apps/frontend/src/components/layout/Layout.tsx b/apps/frontend/src/components/layout/Layout.tsx
index 55b62b7..cb69b40 100644
--- a/apps/frontend/src/components/layout/Layout.tsx
+++ b/apps/frontend/src/components/layout/Layout.tsx
@@ -1,8 +1,8 @@
-import { useState } from "react";
 import { Outlet } from "@tanstack/react-router";
+import { useState } from "react";
+import { LoadingBar } from "@/components/ui/loading-bar";
 import { Header } from "./Header";
 import { Sidebar } from "./Sidebar";
-import { LoadingBar } from "@/components/ui/loading-bar";
 
 export function Layout() {
   const [sidebarOpen, setSidebarOpen] = useState(false);
diff --git a/apps/frontend/src/components/layout/Sidebar.tsx b/apps/frontend/src/components/layout/Sidebar.tsx
index 7d750ef..5e61130 100644
--- a/apps/frontend/src/components/layout/Sidebar.tsx
+++ b/apps/frontend/src/components/layout/Sidebar.tsx
@@ -1,5 +1,11 @@
 import { Link } from "@tanstack/react-router";
-import { FileText, LayoutDashboard, Settings, TrendingUp, Wallet } from "lucide-react";
+import {
+  FileText,
+  LayoutDashboard,
+  Settings,
+  TrendingUp,
+  Wallet,
+} from "lucide-react";
 import { cn } from "@/lib/utils";
 
 const navItems = [
@@ -22,9 +28,11 @@ export function Sidebar({ open, onClose }: SidebarProps) {
   return (
     <>
       {open && (
-        <div
-          className="fixed inset-0 z-40 bg-black/20 md:hidden"
+        <button
+          type="button"
+          className="fixed inset-0 z-40 bg-black/20 md:hidden cursor-default"
           onClick={onClose}
+          aria-label="Cerrar menú"
         />
       )}
       <aside
@@ -43,7 +51,10 @@ export function Sidebar({ open, onClose }: SidebarProps) {
             <Link
               key={item.to}
               to={item.to}
-              activeProps={{ className: "bg-sidebar-accent text-sidebar-accent-foreground font-medium" }}
+              activeProps={{
+                className:
+                  "bg-sidebar-accent text-sidebar-accent-foreground font-medium",
+              }}
               className="flex items-center gap-3 rounded-lg px-3 py-2 text-sm text-sidebar-foreground/70 transition-colors hover:bg-sidebar-accent hover:text-sidebar-accent-foreground"
               onClick={onClose}
             >
@@ -57,7 +68,10 @@ export function Sidebar({ open, onClose }: SidebarProps) {
             <Link
               key={item.to}
               to={item.to}
-              activeProps={{ className: "bg-sidebar-accent text-sidebar-accent-foreground font-medium" }}
+              activeProps={{
+                className:
+                  "bg-sidebar-accent text-sidebar-accent-foreground font-medium",
+              }}
               className="flex items-center gap-3 rounded-lg px-3 py-2 text-sm text-sidebar-foreground/70 transition-colors hover:bg-sidebar-accent hover:text-sidebar-accent-foreground"
               onClick={onClose}
             >
diff --git a/apps/frontend/src/components/ui/button.tsx b/apps/frontend/src/components/ui/button.tsx
index 6138844..188ca1f 100644
--- a/apps/frontend/src/components/ui/button.tsx
+++ b/apps/frontend/src/components/ui/button.tsx
@@ -1,8 +1,8 @@
-import * as React from "react"
-import { cva, type VariantProps } from "class-variance-authority"
-import { Slot } from "radix-ui"
+import { cva, type VariantProps } from "class-variance-authority";
+import { Slot } from "radix-ui";
+import type * as React from "react";
 
-import { cn } from "@/lib/utils"
+import { cn } from "@/lib/utils";
 
 const buttonVariants = cva(
   "group/button inline-flex shrink-0 items-center justify-center rounded-lg border border-transparent bg-clip-padding text-sm font-medium whitespace-nowrap transition-all outline-none select-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 active:not-aria-[haspopup]:translate-y-px disabled:pointer-events-none disabled:opacity-50 aria-invalid:border-destructive aria-invalid:ring-3 aria-invalid:ring-destructive/20 dark:aria-invalid:border-destructive/50 dark:aria-invalid:ring-destructive/40 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
@@ -38,8 +38,8 @@ const buttonVariants = cva(
       variant: "default",
       size: "default",
     },
-  }
-)
+  },
+);
 
 function Button({
   className,
@@ -49,9 +49,9 @@ function Button({
   ...props
 }: React.ComponentProps<"button"> &
   VariantProps<typeof buttonVariants> & {
-    asChild?: boolean
+    asChild?: boolean;
   }) {
-  const Comp = asChild ? Slot.Root : "button"
+  const Comp = asChild ? Slot.Root : "button";
 
   return (
     <Comp
@@ -61,7 +61,7 @@ function Button({
       className={cn(buttonVariants({ variant, size, className }))}
       {...props}
     />
-  )
+  );
 }
 
-export { Button, buttonVariants }
+export { Button, buttonVariants };
diff --git a/apps/frontend/src/components/ui/calendar.tsx b/apps/frontend/src/components/ui/calendar.tsx
index 7452b3a..9d1f8ba 100644
--- a/apps/frontend/src/components/ui/calendar.tsx
+++ b/apps/frontend/src/components/ui/calendar.tsx
@@ -1,11 +1,15 @@
-"use client"
+"use client";
 
-import * as React from "react"
-import { DayPicker } from "react-day-picker"
-import { ChevronDownIcon, ChevronLeftIcon, ChevronRightIcon } from "lucide-react"
-import { cn } from "@/lib/utils"
+import {
+  ChevronDownIcon,
+  ChevronLeftIcon,
+  ChevronRightIcon,
+} from "lucide-react";
+import type * as React from "react";
+import { DayPicker } from "react-day-picker";
+import { cn } from "@/lib/utils";
 
-export type CalendarProps = React.ComponentProps<typeof DayPicker>
+export type CalendarProps = React.ComponentProps<typeof DayPicker>;
 
 function Calendar({
   className,
@@ -37,7 +41,8 @@ function Calendar({
         chevron: "size-3 text-muted-foreground",
         month_grid: "w-full border-collapse",
         weekdays: "flex",
-        weekday: "w-8 text-xs font-normal text-muted-foreground pt-2 pb-1 text-center",
+        weekday:
+          "w-8 text-xs font-normal text-muted-foreground pt-2 pb-1 text-center",
         week: "flex w-full",
         day: "p-0 size-8 text-center text-sm",
         day_button:
@@ -57,31 +62,37 @@ function Calendar({
       }}
       components={{
         Chevron: (props) => {
-          const { orientation, ...rest } = props
+          const { orientation, ...rest } = props;
           if (orientation === "up" || orientation === "down") {
-            return <ChevronDownIcon className="size-3" {...rest} />
+            return <ChevronDownIcon className="size-3" {...rest} />;
           }
-          const Icon = orientation === "left" ? ChevronLeftIcon : ChevronRightIcon
-          return <Icon className="size-4" {...rest} />
+          const Icon =
+            orientation === "left" ? ChevronLeftIcon : ChevronRightIcon;
+          return <Icon className="size-4" {...rest} />;
         },
         Select: (props) => {
-          const { className, children, ...rest } = props
+          const { className, children, ...rest } = props;
           return (
             <select
-              className={cn("h-7 appearance-none rounded-md border border-input bg-background px-2 text-xs font-medium text-foreground outline-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 cursor-pointer bg-[right_4px_center] bg-no-repeat", className)}
-              style={{ backgroundImage: `url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23666' stroke-width='1.5'%3e%3cpath d='M4 6l4 4 4-4'/%3e%3c/svg%3e")` }}
+              className={cn(
+                "h-7 appearance-none rounded-md border border-input bg-background px-2 text-xs font-medium text-foreground outline-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 cursor-pointer bg-[right_4px_center] bg-no-repeat",
+                className,
+              )}
+              style={{
+                backgroundImage: `url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23666' stroke-width='1.5'%3e%3cpath d='M4 6l4 4 4-4'/%3e%3c/svg%3e")`,
+              }}
               {...rest}
             >
               {children}
             </select>
-          )
+          );
         },
       }}
       {...props}
     />
-  )
+  );
 }
 
-Calendar.displayName = "Calendar"
+Calendar.displayName = "Calendar";
 
-export { Calendar }
+export { Calendar };
diff --git a/apps/frontend/src/components/ui/date-picker.tsx b/apps/frontend/src/components/ui/date-picker.tsx
index d9c894d..bdd9294 100644
--- a/apps/frontend/src/components/ui/date-picker.tsx
+++ b/apps/frontend/src/components/ui/date-picker.tsx
@@ -1,23 +1,22 @@
-"use client"
+"use client";
 
-import * as React from "react"
-import { format } from "date-fns"
-import { es } from "date-fns/locale"
-import { CalendarIcon } from "lucide-react"
-
-import { cn } from "@/lib/utils"
-import { Button } from "@/components/ui/button"
-import { Calendar } from "@/components/ui/calendar"
+import { format } from "date-fns";
+import { es } from "date-fns/locale";
+import { CalendarIcon } from "lucide-react";
+import * as React from "react";
+import { Button } from "@/components/ui/button";
+import { Calendar } from "@/components/ui/calendar";
 import {
   Popover,
   PopoverContent,
   PopoverTrigger,
-} from "@/components/ui/popover"
+} from "@/components/ui/popover";
+import { cn } from "@/lib/utils";
 
 interface DatePickerProps {
-  value: Date | undefined
-  onChange: (date: Date | undefined) => void
-  placeholder?: string
+  value: Date | undefined;
+  onChange: (date: Date | undefined) => void;
+  placeholder?: string;
 }
 
 export function DatePicker({
@@ -25,7 +24,7 @@ export function DatePicker({
   onChange,
   placeholder = "Seleccionar fecha",
 }: DatePickerProps) {
-  const [open, setOpen] = React.useState(false)
+  const [open, setOpen] = React.useState(false);
 
   return (
     <Popover open={open} onOpenChange={setOpen}>
@@ -34,7 +33,7 @@ export function DatePicker({
           variant="outline"
           className={cn(
             "h-8 w-full justify-start gap-2 px-2.5 font-normal",
-            !value && "text-muted-foreground"
+            !value && "text-muted-foreground",
           )}
         >
           <CalendarIcon className="size-4 shrink-0" />
@@ -52,11 +51,11 @@ export function DatePicker({
           defaultMonth={value}
           captionLayout="dropdown"
           onSelect={(date) => {
-            onChange(date)
-            setOpen(false)
+            onChange(date);
+            setOpen(false);
           }}
         />
       </PopoverContent>
     </Popover>
-  )
+  );
 }
diff --git a/apps/frontend/src/components/ui/input.tsx b/apps/frontend/src/components/ui/input.tsx
index d763cd9..3e18607 100644
--- a/apps/frontend/src/components/ui/input.tsx
+++ b/apps/frontend/src/components/ui/input.tsx
@@ -1,6 +1,6 @@
-import * as React from "react"
+import type * as React from "react";
 
-import { cn } from "@/lib/utils"
+import { cn } from "@/lib/utils";
 
 function Input({ className, type, ...props }: React.ComponentProps<"input">) {
   return (
@@ -9,11 +9,11 @@ function Input({ className, type, ...props }: React.ComponentProps<"input">) {
       data-slot="input"
       className={cn(
         "h-8 w-full min-w-0 rounded-lg border border-input bg-transparent px-2.5 py-1 text-base transition-colors outline-none file:inline-flex file:h-6 file:border-0 file:bg-transparent file:text-sm file:font-medium file:text-foreground placeholder:text-muted-foreground focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 disabled:pointer-events-none disabled:cursor-not-allowed disabled:bg-input/50 disabled:opacity-50 aria-invalid:border-destructive aria-invalid:ring-3 aria-invalid:ring-destructive/20 md:text-sm dark:bg-input/30 dark:disabled:bg-input/80 dark:aria-invalid:border-destructive/50 dark:aria-invalid:ring-destructive/40",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
-export { Input }
+export { Input };
diff --git a/apps/frontend/src/components/ui/loading-bar.tsx b/apps/frontend/src/components/ui/loading-bar.tsx
index dd135bf..8963f6e 100644
--- a/apps/frontend/src/components/ui/loading-bar.tsx
+++ b/apps/frontend/src/components/ui/loading-bar.tsx
@@ -1,10 +1,12 @@
-import { useState, useEffect, useRef } from "react";
-import { useRouterState } from "@tanstack/react-router";
 import { useIsFetching, useIsMutating } from "@tanstack/react-query";
+import { useRouterState } from "@tanstack/react-router";
+import { useEffect, useRef, useState } from "react";
 import { cn } from "@/lib/utils";
 
 export function LoadingBar() {
-  const isNavigating = useRouterState({ select: (s) => s.status === "pending" });
+  const isNavigating = useRouterState({
+    select: (s) => s.status === "pending",
+  });
   const isFetching = useIsFetching();
   const isMutating = useIsMutating();
 
diff --git a/apps/frontend/src/components/ui/pagination.tsx b/apps/frontend/src/components/ui/pagination.tsx
index 96fdae7..413950f 100644
--- a/apps/frontend/src/components/ui/pagination.tsx
+++ b/apps/frontend/src/components/ui/pagination.tsx
@@ -1,19 +1,21 @@
-import * as React from "react"
-
-import { cn } from "@/lib/utils"
-import { Button } from "@/components/ui/button"
-import { ChevronLeftIcon, ChevronRightIcon, MoreHorizontalIcon } from "lucide-react"
+import {
+  ChevronLeftIcon,
+  ChevronRightIcon,
+  MoreHorizontalIcon,
+} from "lucide-react";
+import type * as React from "react";
+import { Button } from "@/components/ui/button";
+import { cn } from "@/lib/utils";
 
 function Pagination({ className, ...props }: React.ComponentProps<"nav">) {
   return (
     <nav
-      role="navigation"
       aria-label="pagination"
       data-slot="pagination"
       className={cn("mx-auto flex w-full justify-center", className)}
       {...props}
     />
-  )
+  );
 }
 
 function PaginationContent({
@@ -26,17 +28,17 @@ function PaginationContent({
       className={cn("flex items-center gap-0.5", className)}
       {...props}
     />
-  )
+  );
 }
 
 function PaginationItem({ ...props }: React.ComponentProps<"li">) {
-  return <li data-slot="pagination-item" {...props} />
+  return <li data-slot="pagination-item" {...props} />;
 }
 
 type PaginationLinkProps = {
-  isActive?: boolean
+  isActive?: boolean;
 } & Pick<React.ComponentProps<typeof Button>, "size"> &
-  React.ComponentProps<"a">
+  React.ComponentProps<"a">;
 
 function PaginationLink({
   className,
@@ -58,7 +60,7 @@ function PaginationLink({
         {...props}
       />
     </Button>
-  )
+  );
 }
 
 function PaginationPrevious({
@@ -76,7 +78,7 @@ function PaginationPrevious({
       <ChevronLeftIcon data-icon="inline-start" />
       <span className="hidden sm:block">{text}</span>
     </PaginationLink>
-  )
+  );
 }
 
 function PaginationNext({
@@ -94,7 +96,7 @@ function PaginationNext({
       <span className="hidden sm:block">{text}</span>
       <ChevronRightIcon data-icon="inline-end" />
     </PaginationLink>
-  )
+  );
 }
 
 function PaginationEllipsis({
@@ -107,15 +109,14 @@ function PaginationEllipsis({
       data-slot="pagination-ellipsis"
       className={cn(
         "flex size-8 items-center justify-center [&_svg:not([class*='size-'])]:size-4",
-        className
+        className,
       )}
       {...props}
     >
-      <MoreHorizontalIcon
-      />
+      <MoreHorizontalIcon />
       <span className="sr-only">More pages</span>
     </span>
-  )
+  );
 }
 
 export {
@@ -126,4 +127,4 @@ export {
   PaginationLink,
   PaginationNext,
   PaginationPrevious,
-}
+};
diff --git a/apps/frontend/src/components/ui/popover.tsx b/apps/frontend/src/components/ui/popover.tsx
index 90a8206..5ca4715 100644
--- a/apps/frontend/src/components/ui/popover.tsx
+++ b/apps/frontend/src/components/ui/popover.tsx
@@ -1,20 +1,20 @@
-"use client"
+"use client";
 
-import * as React from "react"
-import * as PopoverPrimitive from "@radix-ui/react-popover"
+import * as PopoverPrimitive from "@radix-ui/react-popover";
+import type * as React from "react";
 
-import { cn } from "@/lib/utils"
+import { cn } from "@/lib/utils";
 
 function Popover({
   ...props
 }: React.ComponentProps<typeof PopoverPrimitive.Root>) {
-  return <PopoverPrimitive.Root data-slot="popover" {...props} />
+  return <PopoverPrimitive.Root data-slot="popover" {...props} />;
 }
 
 function PopoverTrigger({
   ...props
 }: React.ComponentProps<typeof PopoverPrimitive.Trigger>) {
-  return <PopoverPrimitive.Trigger data-slot="popover-trigger" {...props} />
+  return <PopoverPrimitive.Trigger data-slot="popover-trigger" {...props} />;
 }
 
 function PopoverContent({
@@ -37,12 +37,12 @@ function PopoverContent({
           "data-[side=left]:slide-in-from-right-2",
           "data-[side=right]:slide-in-from-left-2",
           "data-[side=top]:slide-in-from-bottom-2",
-          className
+          className,
         )}
         {...props}
       />
     </PopoverPrimitive.Portal>
-  )
+  );
 }
 
-export { Popover, PopoverTrigger, PopoverContent }
+export { Popover, PopoverContent, PopoverTrigger };
diff --git a/apps/frontend/src/components/ui/responsive-dialog.tsx b/apps/frontend/src/components/ui/responsive-dialog.tsx
index 8589837..2e3ee13 100644
--- a/apps/frontend/src/components/ui/responsive-dialog.tsx
+++ b/apps/frontend/src/components/ui/responsive-dialog.tsx
@@ -1,41 +1,45 @@
-"use client"
+"use client";
 
-import * as React from "react"
-import * as DialogPrimitive from "@radix-ui/react-dialog"
-import { cn } from "@/lib/utils"
-import { Button } from "@/components/ui/button"
-import { XIcon } from "lucide-react"
+import * as DialogPrimitive from "@radix-ui/react-dialog";
+import { XIcon } from "lucide-react";
+import * as React from "react";
+import { Button } from "@/components/ui/button";
+import { cn } from "@/lib/utils";
 
-const MEDIA_QUERY = "(min-width: 640px)"
+const MEDIA_QUERY = "(min-width: 640px)";
 
 function useMediaQuery(query: string) {
   const [matches, setMatches] = React.useState(() => {
-    if (typeof window === "undefined") return true
-    return window.matchMedia(query).matches
-  })
+    if (typeof window === "undefined") return true;
+    return window.matchMedia(query).matches;
+  });
 
   React.useEffect(() => {
-    const mql = window.matchMedia(query)
-    const handler = (e: MediaQueryListEvent) => setMatches(e.matches)
-    mql.addEventListener("change", handler)
-    return () => mql.removeEventListener("change", handler)
-  }, [query])
+    const mql = window.matchMedia(query);
+    const handler = (e: MediaQueryListEvent) => setMatches(e.matches);
+    mql.addEventListener("change", handler);
+    return () => mql.removeEventListener("change", handler);
+  }, [query]);
 
-  return matches
+  return matches;
 }
 
 interface ResponsiveDialogContextValue {
-  open: boolean
-  onOpenChange: (open: boolean) => void
-  isDesktop: boolean
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+  isDesktop: boolean;
 }
 
-const ResponsiveDialogContext = React.createContext<ResponsiveDialogContextValue | null>(null)
+const ResponsiveDialogContext =
+  React.createContext<ResponsiveDialogContextValue | null>(null);
 
 function useResponsiveDialog() {
-  const ctx = React.useContext(ResponsiveDialogContext)
-  if (!ctx) throw new Error("ResponsiveDialog components must be used within ResponsiveDialog")
-  return ctx
+  const ctx = React.useContext(ResponsiveDialogContext);
+  if (!ctx)
+    throw new Error(
+      "ResponsiveDialog components must be used within ResponsiveDialog",
+    );
+  return ctx;
 }
 
 function ResponsiveDialog({
@@ -43,19 +47,22 @@ function ResponsiveDialog({
   onOpenChange,
   children,
 }: {
-  open?: boolean
-  onOpenChange?: (open: boolean) => void
-  children: React.ReactNode
+  open?: boolean;
+  onOpenChange?: (open: boolean) => void;
+  children: React.ReactNode;
 }) {
-  const [internalOpen, setInternalOpen] = React.useState(false)
-  const isDesktop = useMediaQuery(MEDIA_QUERY)
+  const [internalOpen, setInternalOpen] = React.useState(false);
+  const isDesktop = useMediaQuery(MEDIA_QUERY);
 
-  const controlled = open !== undefined
-  const currentOpen = controlled ? open : internalOpen
-  const setCurrentOpen = controlled ? onOpenChange! : setInternalOpen
+  const controlled = open !== undefined;
+  const currentOpen = controlled ? open : internalOpen;
+  // biome-ignore lint/style/noNonNullAssertion: controlled ensures it's defined
+  const setCurrentOpen = controlled ? onOpenChange! : setInternalOpen;
 
   return (
-    <ResponsiveDialogContext value={{ open: currentOpen, onOpenChange: setCurrentOpen, isDesktop }}>
+    <ResponsiveDialogContext
+      value={{ open: currentOpen, onOpenChange: setCurrentOpen, isDesktop }}
+    >
       {isDesktop ? (
         <DialogPrimitive.Root open={currentOpen} onOpenChange={setCurrentOpen}>
           {children}
@@ -66,7 +73,7 @@ function ResponsiveDialog({
         </DialogPrimitive.Root>
       )}
     </ResponsiveDialogContext>
-  )
+  );
 }
 
 function ResponsiveDialogTrigger({
@@ -78,7 +85,7 @@ function ResponsiveDialogTrigger({
     <DialogPrimitive.Trigger data-slot="responsive-dialog-trigger" {...props}>
       {children}
     </DialogPrimitive.Trigger>
-  )
+  );
 }
 
 function ResponsiveDialogContent({
@@ -86,7 +93,7 @@ function ResponsiveDialogContent({
   children,
   ...props
 }: React.ComponentProps<typeof DialogPrimitive.Content>) {
-  const { isDesktop, open, onOpenChange } = useResponsiveDialog()
+  const { isDesktop, open, onOpenChange } = useResponsiveDialog();
 
   if (isDesktop) {
     return (
@@ -103,7 +110,7 @@ function ResponsiveDialogContent({
             "data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-open:slide-in-from-left-1/2 data-open:slide-in-from-top-[48%]",
             "data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95 data-closed:slide-out-to-left-1/2 data-closed:slide-out-to-top-[48%]",
             "duration-200",
-            className
+            className,
           )}
           {...props}
         >
@@ -120,22 +127,27 @@ function ResponsiveDialogContent({
           </DialogPrimitive.Close>
         </DialogPrimitive.Content>
       </DialogPrimitive.Portal>
-    )
+    );
   }
 
-  if (!open) return null
+  if (!open) return null;
 
   return (
-    <div className="fixed inset-0 z-50 flex items-end sm:hidden" data-slot="responsive-dialog-mobile">
-      <div
-        className="fixed inset-0 z-40 bg-black/10 supports-backdrop-filter:backdrop-blur-xs"
+    <div
+      className="fixed inset-0 z-50 flex items-end sm:hidden"
+      data-slot="responsive-dialog-mobile"
+    >
+      <button
+        type="button"
+        className="fixed inset-0 z-40 bg-black/10 supports-backdrop-filter:backdrop-blur-xs cursor-default"
         onClick={() => onOpenChange(false)}
+        aria-label="Cerrar"
       />
       <div
         className={cn(
           "relative z-50 flex w-full flex-col gap-4 rounded-t-xl border bg-popover p-6 text-popover-foreground shadow-lg",
           "animate-in slide-in-from-bottom-10 fade-in-0 duration-200",
-          className
+          className,
         )}
       >
         <div className="mx-auto -mt-2 mb-1 h-1.5 w-10 rounded-full bg-muted" />
@@ -152,7 +164,7 @@ function ResponsiveDialogContent({
         {children}
       </div>
     </div>
-  )
+  );
 }
 
 function ResponsiveDialogHeader({
@@ -165,7 +177,7 @@ function ResponsiveDialogHeader({
       className={cn("flex flex-col gap-0.5", className)}
       {...props}
     />
-  )
+  );
 }
 
 function ResponsiveDialogFooter({
@@ -175,10 +187,13 @@ function ResponsiveDialogFooter({
   return (
     <div
       data-slot="responsive-dialog-footer"
-      className={cn("mt-2 flex flex-col-reverse sm:flex-row sm:justify-end gap-2", className)}
+      className={cn(
+        "mt-2 flex flex-col-reverse sm:flex-row sm:justify-end gap-2",
+        className,
+      )}
       {...props}
     />
-  )
+  );
 }
 
 function ResponsiveDialogTitle({
@@ -191,7 +206,7 @@ function ResponsiveDialogTitle({
       className={cn("text-base font-medium text-foreground", className)}
       {...props}
     />
-  )
+  );
 }
 
 function ResponsiveDialogDescription({
@@ -204,22 +219,24 @@ function ResponsiveDialogDescription({
       className={cn("text-sm text-muted-foreground", className)}
       {...props}
     />
-  )
+  );
 }
 
 function ResponsiveDialogClose({
   ...props
 }: React.ComponentProps<typeof DialogPrimitive.Close>) {
-  return <DialogPrimitive.Close data-slot="responsive-dialog-close" {...props} />
+  return (
+    <DialogPrimitive.Close data-slot="responsive-dialog-close" {...props} />
+  );
 }
 
 export {
   ResponsiveDialog,
-  ResponsiveDialogTrigger,
-  ResponsiveDialogContent,
-  ResponsiveDialogHeader,
-  ResponsiveDialogFooter,
-  ResponsiveDialogTitle,
-  ResponsiveDialogDescription,
   ResponsiveDialogClose,
-}
+  ResponsiveDialogContent,
+  ResponsiveDialogDescription,
+  ResponsiveDialogFooter,
+  ResponsiveDialogHeader,
+  ResponsiveDialogTitle,
+  ResponsiveDialogTrigger,
+};
diff --git a/apps/frontend/src/components/ui/select.tsx b/apps/frontend/src/components/ui/select.tsx
index 8333850..953b01b 100644
--- a/apps/frontend/src/components/ui/select.tsx
+++ b/apps/frontend/src/components/ui/select.tsx
@@ -1,13 +1,12 @@
-import * as React from "react"
-import { Select as SelectPrimitive } from "radix-ui"
-
-import { cn } from "@/lib/utils"
-import { ChevronDownIcon, CheckIcon, ChevronUpIcon } from "lucide-react"
+import { CheckIcon, ChevronDownIcon, ChevronUpIcon } from "lucide-react";
+import { Select as SelectPrimitive } from "radix-ui";
+import type * as React from "react";
+import { cn } from "@/lib/utils";
 
 function Select({
   ...props
 }: React.ComponentProps<typeof SelectPrimitive.Root>) {
-  return <SelectPrimitive.Root data-slot="select" {...props} />
+  return <SelectPrimitive.Root data-slot="select" {...props} />;
 }
 
 function SelectGroup({
@@ -20,13 +19,13 @@ function SelectGroup({
       className={cn("scroll-my-1 p-1", className)}
       {...props}
     />
-  )
+  );
 }
 
 function SelectValue({
   ...props
 }: React.ComponentProps<typeof SelectPrimitive.Value>) {
-  return <SelectPrimitive.Value data-slot="select-value" {...props} />
+  return <SelectPrimitive.Value data-slot="select-value" {...props} />;
 }
 
 function SelectTrigger({
@@ -35,7 +34,7 @@ function SelectTrigger({
   children,
   ...props
 }: React.ComponentProps<typeof SelectPrimitive.Trigger> & {
-  size?: "sm" | "default"
+  size?: "sm" | "default";
 }) {
   return (
     <SelectPrimitive.Trigger
@@ -43,7 +42,7 @@ function SelectTrigger({
       data-size={size}
       className={cn(
         "flex w-fit items-center justify-between gap-1.5 rounded-lg border border-input bg-transparent py-2 pr-2 pl-2.5 text-sm whitespace-nowrap transition-colors outline-none select-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 disabled:cursor-not-allowed disabled:opacity-50 aria-invalid:border-destructive aria-invalid:ring-3 aria-invalid:ring-destructive/20 data-placeholder:text-muted-foreground data-[size=default]:h-8 data-[size=sm]:h-7 data-[size=sm]:rounded-[min(var(--radius-md),10px)] *:data-[slot=select-value]:line-clamp-1 *:data-[slot=select-value]:flex *:data-[slot=select-value]:items-center *:data-[slot=select-value]:gap-1.5 dark:bg-input/30 dark:hover:bg-input/50 dark:aria-invalid:border-destructive/50 dark:aria-invalid:ring-destructive/40 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
-        className
+        className,
       )}
       {...props}
     >
@@ -52,7 +51,7 @@ function SelectTrigger({
         <ChevronDownIcon className="pointer-events-none size-4 text-muted-foreground" />
       </SelectPrimitive.Icon>
     </SelectPrimitive.Trigger>
-  )
+  );
 }
 
 function SelectContent({
@@ -67,7 +66,12 @@ function SelectContent({
       <SelectPrimitive.Content
         data-slot="select-content"
         data-align-trigger={position === "item-aligned"}
-        className={cn("relative z-50 max-h-(--radix-select-content-available-height) min-w-36 origin-(--radix-select-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-lg bg-popover text-popover-foreground shadow-md ring-1 ring-foreground/10 duration-100 data-[align-trigger=true]:animate-none data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95", position ==="popper"&&"data-[side=bottom]:translate-y-1 data-[side=left]:-translate-x-1 data-[side=right]:translate-x-1 data-[side=top]:-translate-y-1", className )}
+        className={cn(
+          "relative z-50 max-h-(--radix-select-content-available-height) min-w-36 origin-(--radix-select-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-lg bg-popover text-popover-foreground shadow-md ring-1 ring-foreground/10 duration-100 data-[align-trigger=true]:animate-none data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95",
+          position === "popper" &&
+            "data-[side=bottom]:translate-y-1 data-[side=left]:-translate-x-1 data-[side=right]:translate-x-1 data-[side=top]:-translate-y-1",
+          className,
+        )}
         position={position}
         align={align}
         {...props}
@@ -77,7 +81,7 @@ function SelectContent({
           data-position={position}
           className={cn(
             "data-[position=popper]:h-(--radix-select-trigger-height) data-[position=popper]:w-full data-[position=popper]:min-w-(--radix-select-trigger-width)",
-            position === "popper" && ""
+            position === "popper" && "",
           )}
         >
           {children}
@@ -85,7 +89,7 @@ function SelectContent({
         <SelectScrollDownButton />
       </SelectPrimitive.Content>
     </SelectPrimitive.Portal>
-  )
+  );
 }
 
 function SelectLabel({
@@ -98,7 +102,7 @@ function SelectLabel({
       className={cn("px-1.5 py-1 text-xs text-muted-foreground", className)}
       {...props}
     />
-  )
+  );
 }
 
 function SelectItem({
@@ -111,7 +115,7 @@ function SelectItem({
       data-slot="select-item"
       className={cn(
         "relative flex w-full cursor-default items-center gap-1.5 rounded-md py-1 pr-8 pl-1.5 text-sm outline-hidden select-none focus:bg-accent focus:text-accent-foreground not-data-[variant=destructive]:focus:**:text-accent-foreground data-disabled:pointer-events-none data-disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4 *:[span]:last:flex *:[span]:last:items-center *:[span]:last:gap-2",
-        className
+        className,
       )}
       {...props}
     >
@@ -122,7 +126,7 @@ function SelectItem({
       </span>
       <SelectPrimitive.ItemText>{children}</SelectPrimitive.ItemText>
     </SelectPrimitive.Item>
-  )
+  );
 }
 
 function SelectSeparator({
@@ -135,7 +139,7 @@ function SelectSeparator({
       className={cn("pointer-events-none -mx-1 my-1 h-px bg-border", className)}
       {...props}
     />
-  )
+  );
 }
 
 function SelectScrollUpButton({
@@ -147,14 +151,13 @@ function SelectScrollUpButton({
       data-slot="select-scroll-up-button"
       className={cn(
         "z-10 flex cursor-default items-center justify-center bg-popover py-1 [&_svg:not([class*='size-'])]:size-4",
-        className
+        className,
       )}
       {...props}
     >
-      <ChevronUpIcon
-      />
+      <ChevronUpIcon />
     </SelectPrimitive.ScrollUpButton>
-  )
+  );
 }
 
 function SelectScrollDownButton({
@@ -166,14 +169,13 @@ function SelectScrollDownButton({
       data-slot="select-scroll-down-button"
       className={cn(
         "z-10 flex cursor-default items-center justify-center bg-popover py-1 [&_svg:not([class*='size-'])]:size-4",
-        className
+        className,
       )}
       {...props}
     >
-      <ChevronDownIcon
-      />
+      <ChevronDownIcon />
     </SelectPrimitive.ScrollDownButton>
-  )
+  );
 }
 
 export {
@@ -187,4 +189,4 @@ export {
   SelectSeparator,
   SelectTrigger,
   SelectValue,
-}
+};
diff --git a/apps/frontend/src/components/ui/separator.tsx b/apps/frontend/src/components/ui/separator.tsx
index ca11501..5430af2 100644
--- a/apps/frontend/src/components/ui/separator.tsx
+++ b/apps/frontend/src/components/ui/separator.tsx
@@ -1,7 +1,7 @@
-import * as React from "react"
-import { Separator as SeparatorPrimitive } from "radix-ui"
+import { Separator as SeparatorPrimitive } from "radix-ui";
+import type * as React from "react";
 
-import { cn } from "@/lib/utils"
+import { cn } from "@/lib/utils";
 
 function Separator({
   className,
@@ -16,11 +16,11 @@ function Separator({
       orientation={orientation}
       className={cn(
         "shrink-0 bg-border data-horizontal:h-px data-horizontal:w-full data-vertical:w-px data-vertical:self-stretch",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
-export { Separator }
+export { Separator };
diff --git a/apps/frontend/src/components/ui/sheet.tsx b/apps/frontend/src/components/ui/sheet.tsx
index 370dcf8..618427f 100644
--- a/apps/frontend/src/components/ui/sheet.tsx
+++ b/apps/frontend/src/components/ui/sheet.tsx
@@ -1,32 +1,31 @@
-"use client"
+"use client";
 
-import * as React from "react"
-import { Dialog as SheetPrimitive } from "radix-ui"
-
-import { cn } from "@/lib/utils"
-import { Button } from "@/components/ui/button"
-import { XIcon } from "lucide-react"
+import { XIcon } from "lucide-react";
+import { Dialog as SheetPrimitive } from "radix-ui";
+import type * as React from "react";
+import { Button } from "@/components/ui/button";
+import { cn } from "@/lib/utils";
 
 function Sheet({ ...props }: React.ComponentProps<typeof SheetPrimitive.Root>) {
-  return <SheetPrimitive.Root data-slot="sheet" {...props} />
+  return <SheetPrimitive.Root data-slot="sheet" {...props} />;
 }
 
 function SheetTrigger({
   ...props
 }: React.ComponentProps<typeof SheetPrimitive.Trigger>) {
-  return <SheetPrimitive.Trigger data-slot="sheet-trigger" {...props} />
+  return <SheetPrimitive.Trigger data-slot="sheet-trigger" {...props} />;
 }
 
 function SheetClose({
   ...props
 }: React.ComponentProps<typeof SheetPrimitive.Close>) {
-  return <SheetPrimitive.Close data-slot="sheet-close" {...props} />
+  return <SheetPrimitive.Close data-slot="sheet-close" {...props} />;
 }
 
 function SheetPortal({
   ...props
 }: React.ComponentProps<typeof SheetPrimitive.Portal>) {
-  return <SheetPrimitive.Portal data-slot="sheet-portal" {...props} />
+  return <SheetPrimitive.Portal data-slot="sheet-portal" {...props} />;
 }
 
 function SheetOverlay({
@@ -38,11 +37,11 @@ function SheetOverlay({
       data-slot="sheet-overlay"
       className={cn(
         "fixed inset-0 z-50 bg-black/10 duration-100 supports-backdrop-filter:backdrop-blur-xs data-open:animate-in data-open:fade-in-0 data-closed:animate-out data-closed:fade-out-0",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
 function SheetContent({
@@ -52,8 +51,8 @@ function SheetContent({
   showCloseButton = true,
   ...props
 }: React.ComponentProps<typeof SheetPrimitive.Content> & {
-  side?: "top" | "right" | "bottom" | "left"
-  showCloseButton?: boolean
+  side?: "top" | "right" | "bottom" | "left";
+  showCloseButton?: boolean;
 }) {
   return (
     <SheetPortal>
@@ -63,7 +62,7 @@ function SheetContent({
         data-side={side}
         className={cn(
           "fixed z-50 flex flex-col gap-4 bg-popover bg-clip-padding text-sm text-popover-foreground shadow-lg transition duration-200 ease-in-out data-[side=bottom]:inset-x-0 data-[side=bottom]:bottom-0 data-[side=bottom]:h-auto data-[side=bottom]:border-t data-[side=left]:inset-y-0 data-[side=left]:left-0 data-[side=left]:h-full data-[side=left]:w-3/4 data-[side=left]:border-r data-[side=right]:inset-y-0 data-[side=right]:right-0 data-[side=right]:h-full data-[side=right]:w-3/4 data-[side=right]:border-l data-[side=top]:inset-x-0 data-[side=top]:top-0 data-[side=top]:h-auto data-[side=top]:border-b data-[side=left]:sm:max-w-sm data-[side=right]:sm:max-w-sm data-open:animate-in data-open:fade-in-0 data-[side=bottom]:data-open:slide-in-from-bottom-10 data-[side=left]:data-open:slide-in-from-left-10 data-[side=right]:data-open:slide-in-from-right-10 data-[side=top]:data-open:slide-in-from-top-10 data-closed:animate-out data-closed:fade-out-0 data-[side=bottom]:data-closed:slide-out-to-bottom-10 data-[side=left]:data-closed:slide-out-to-left-10 data-[side=right]:data-closed:slide-out-to-right-10 data-[side=top]:data-closed:slide-out-to-top-10",
-          className
+          className,
         )}
         {...props}
       >
@@ -75,15 +74,14 @@ function SheetContent({
               className="absolute top-3 right-3"
               size="icon-sm"
             >
-              <XIcon
-              />
+              <XIcon />
               <span className="sr-only">Close</span>
             </Button>
           </SheetPrimitive.Close>
         )}
       </SheetPrimitive.Content>
     </SheetPortal>
-  )
+  );
 }
 
 function SheetHeader({ className, ...props }: React.ComponentProps<"div">) {
@@ -93,7 +91,7 @@ function SheetHeader({ className, ...props }: React.ComponentProps<"div">) {
       className={cn("flex flex-col gap-0.5 p-4", className)}
       {...props}
     />
-  )
+  );
 }
 
 function SheetFooter({ className, ...props }: React.ComponentProps<"div">) {
@@ -103,7 +101,7 @@ function SheetFooter({ className, ...props }: React.ComponentProps<"div">) {
       className={cn("mt-auto flex flex-col gap-2 p-4", className)}
       {...props}
     />
-  )
+  );
 }
 
 function SheetTitle({
@@ -113,13 +111,10 @@ function SheetTitle({
   return (
     <SheetPrimitive.Title
       data-slot="sheet-title"
-      className={cn(
-        "text-base font-medium text-foreground",
-        className
-      )}
+      className={cn("text-base font-medium text-foreground", className)}
       {...props}
     />
-  )
+  );
 }
 
 function SheetDescription({
@@ -132,16 +127,16 @@ function SheetDescription({
       className={cn("text-sm text-muted-foreground", className)}
       {...props}
     />
-  )
+  );
 }
 
 export {
   Sheet,
-  SheetTrigger,
   SheetClose,
   SheetContent,
-  SheetHeader,
-  SheetFooter,
-  SheetTitle,
   SheetDescription,
-}
+  SheetFooter,
+  SheetHeader,
+  SheetTitle,
+  SheetTrigger,
+};
diff --git a/apps/frontend/src/components/ui/tooltip.tsx b/apps/frontend/src/components/ui/tooltip.tsx
index 591dfc4..0fd91da 100644
--- a/apps/frontend/src/components/ui/tooltip.tsx
+++ b/apps/frontend/src/components/ui/tooltip.tsx
@@ -1,9 +1,9 @@
-"use client"
+"use client";
 
-import * as React from "react"
-import { Tooltip as TooltipPrimitive } from "radix-ui"
+import { Tooltip as TooltipPrimitive } from "radix-ui";
+import type * as React from "react";
 
-import { cn } from "@/lib/utils"
+import { cn } from "@/lib/utils";
 
 function TooltipProvider({
   delayDuration = 0,
@@ -15,19 +15,19 @@ function TooltipProvider({
       delayDuration={delayDuration}
       {...props}
     />
-  )
+  );
 }
 
 function Tooltip({
   ...props
 }: React.ComponentProps<typeof TooltipPrimitive.Root>) {
-  return <TooltipPrimitive.Root data-slot="tooltip" {...props} />
+  return <TooltipPrimitive.Root data-slot="tooltip" {...props} />;
 }
 
 function TooltipTrigger({
   ...props
 }: React.ComponentProps<typeof TooltipPrimitive.Trigger>) {
-  return <TooltipPrimitive.Trigger data-slot="tooltip-trigger" {...props} />
+  return <TooltipPrimitive.Trigger data-slot="tooltip-trigger" {...props} />;
 }
 
 function TooltipContent({
@@ -43,14 +43,14 @@ function TooltipContent({
         sideOffset={sideOffset}
         className={cn(
           "z-50 max-w-sm rounded-md border bg-popover px-3 py-1.5 text-xs text-popover-foreground shadow-md animate-in fade-in-0 zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95",
-          className
+          className,
         )}
         {...props}
       >
         {children}
       </TooltipPrimitive.Content>
     </TooltipPrimitive.Portal>
-  )
+  );
 }
 
-export { Tooltip, TooltipTrigger, TooltipContent, TooltipProvider }
+export { Tooltip, TooltipContent, TooltipProvider, TooltipTrigger };
diff --git a/apps/frontend/src/features/belo/BeloAnalysisPage.tsx b/apps/frontend/src/features/belo/BeloAnalysisPage.tsx
index 9c2ba99..3730c91 100644
--- a/apps/frontend/src/features/belo/BeloAnalysisPage.tsx
+++ b/apps/frontend/src/features/belo/BeloAnalysisPage.tsx
@@ -1,19 +1,19 @@
+import { Link } from "@tanstack/react-router";
+import { subDays } from "date-fns";
+import { ArrowLeft } from "lucide-react";
 import { useMemo, useState } from "react";
 import {
-  LineChart,
+  CartesianGrid,
   Line,
+  LineChart,
+  ReferenceLine,
+  ResponsiveContainer,
+  Tooltip,
   XAxis,
   YAxis,
-  CartesianGrid,
-  Tooltip,
-  ResponsiveContainer,
-  ReferenceLine,
 } from "recharts";
-import { subDays } from "date-fns";
 import { DatePicker } from "@/components/ui/date-picker";
-import { useHistoricalMinMax, useDailyQuotes } from "@/lib/queries";
-import { Link } from "@tanstack/react-router";
-import { ArrowLeft } from "lucide-react";
+import { useDailyQuotes, useHistoricalMinMax } from "@/lib/queries";
 
 const priceFormatter = new Intl.NumberFormat("es-AR", {
   minimumFractionDigits: 2,
@@ -45,8 +45,13 @@ export function BeloAnalysisPage() {
   const startDateStr = formatDate(startDate);
   const endDateStr = formatDate(endDate);
 
-  const { data: historical, isLoading: historicalLoading } = useHistoricalMinMax("BELO");
-  const { data: daily, isLoading: dailyLoading } = useDailyQuotes("BELO", startDateStr, endDateStr);
+  const { data: historical, isLoading: historicalLoading } =
+    useHistoricalMinMax("BELO");
+  const { data: daily, isLoading: dailyLoading } = useDailyQuotes(
+    "BELO",
+    startDateStr,
+    endDateStr,
+  );
 
   const chartData = useMemo(() => {
     if (!daily) return [];
@@ -57,7 +62,13 @@ export function BeloAnalysisPage() {
   }, [daily]);
 
   const { yDomain, minBuyValue, maxBuyValue, avgBuyValue } = useMemo(() => {
-    if (chartData.length === 0) return { yDomain: [0, 0] as [number, number], minBuyValue: 0, maxBuyValue: 0, avgBuyValue: 0 };
+    if (chartData.length === 0)
+      return {
+        yDomain: [0, 0] as [number, number],
+        minBuyValue: 0,
+        maxBuyValue: 0,
+        avgBuyValue: 0,
+      };
     let min = Infinity;
     let max = -Infinity;
     let sum = 0;
@@ -92,7 +103,9 @@ export function BeloAnalysisPage() {
 
       <div className="grid gap-4 md:grid-cols-2">
         <div className="rounded-lg border p-4">
-          <p className="text-sm text-muted-foreground mb-2">Mínimo histórico (compra)</p>
+          <p className="text-sm text-muted-foreground mb-2">
+            Mínimo histórico (compra)
+          </p>
           {historicalLoading ? (
             <p className="text-sm text-muted-foreground">Cargando...</p>
           ) : (
@@ -109,7 +122,9 @@ export function BeloAnalysisPage() {
           )}
         </div>
         <div className="rounded-lg border p-4">
-          <p className="text-sm text-muted-foreground mb-2">Máximo histórico (compra)</p>
+          <p className="text-sm text-muted-foreground mb-2">
+            Máximo histórico (compra)
+          </p>
           {historicalLoading ? (
             <p className="text-sm text-muted-foreground">Cargando...</p>
           ) : (
@@ -128,16 +143,26 @@ export function BeloAnalysisPage() {
       </div>
 
       <div className="rounded-lg border p-4">
-        <h2 className="text-sm font-medium mb-4">Evolución del precio de compra</h2>
+        <h2 className="text-sm font-medium mb-4">
+          Evolución del precio de compra
+        </h2>
 
         <div className="flex items-center gap-4 mb-4">
           <div className="flex flex-col gap-1">
-            <label className="text-xs text-muted-foreground">Desde</label>
-            <DatePicker value={startDate} onChange={(d) => d && setStartDate(d)} placeholder="Fecha inicio" />
+            <span className="text-xs text-muted-foreground">Desde</span>
+            <DatePicker
+              value={startDate}
+              onChange={(d) => d && setStartDate(d)}
+              placeholder="Fecha inicio"
+            />
           </div>
           <div className="flex flex-col gap-1">
-            <label className="text-xs text-muted-foreground">Hasta</label>
-            <DatePicker value={endDate} onChange={(d) => d && setEndDate(d)} placeholder="Fecha fin" />
+            <span className="text-xs text-muted-foreground">Hasta</span>
+            <DatePicker
+              value={endDate}
+              onChange={(d) => d && setEndDate(d)}
+              placeholder="Fecha fin"
+            />
           </div>
         </div>
 
@@ -154,7 +179,10 @@ export function BeloAnalysisPage() {
             <div className="h-64">
               <ResponsiveContainer width="100%" height="100%">
                 <LineChart data={chartData}>
-                  <CartesianGrid strokeDasharray="3 3" className="stroke-border" />
+                  <CartesianGrid
+                    strokeDasharray="3 3"
+                    className="stroke-border"
+                  />
                   <XAxis
                     dataKey="date"
                     tick={{ fontSize: 11 }}
@@ -164,7 +192,9 @@ export function BeloAnalysisPage() {
                   <YAxis
                     tick={{ fontSize: 11 }}
                     className="text-muted-foreground"
-                    tickFormatter={(v: number) => `$${priceFormatter.format(v)}`}
+                    tickFormatter={(v: number) =>
+                      `$${priceFormatter.format(v)}`
+                    }
                     width={80}
                     domain={yDomain}
                   />
@@ -232,19 +262,31 @@ export function BeloAnalysisPage() {
             </div>
             <div className="flex items-center justify-center gap-4 mt-3">
               <div className="flex items-center gap-1.5">
-                <span className="size-2.5 rounded-full" style={{ backgroundColor: "var(--chart-1)" }} />
+                <span
+                  className="size-2.5 rounded-full"
+                  style={{ backgroundColor: "var(--chart-1)" }}
+                />
                 <span className="text-xs text-muted-foreground">Compra</span>
               </div>
               <div className="flex items-center gap-1.5">
-                <div className="size-2.5 border-t-2 border-dashed" style={{ borderColor: "var(--chart-1)" }} />
+                <div
+                  className="size-2.5 border-t-2 border-dashed"
+                  style={{ borderColor: "var(--chart-1)" }}
+                />
                 <span className="text-xs text-muted-foreground">Máx</span>
               </div>
               <div className="flex items-center gap-1.5">
-                <div className="size-2.5 border-t-2 border-dashed" style={{ borderColor: "var(--chart-2)" }} />
+                <div
+                  className="size-2.5 border-t-2 border-dashed"
+                  style={{ borderColor: "var(--chart-2)" }}
+                />
                 <span className="text-xs text-muted-foreground">Mín</span>
               </div>
               <div className="flex items-center gap-1.5">
-                <div className="size-2.5 border-t-2 border-dashed" style={{ borderColor: "var(--chart-3)" }} />
+                <div
+                  className="size-2.5 border-t-2 border-dashed"
+                  style={{ borderColor: "var(--chart-3)" }}
+                />
                 <span className="text-xs text-muted-foreground">Prom</span>
               </div>
             </div>
diff --git a/apps/frontend/src/features/belo/BeloPage.tsx b/apps/frontend/src/features/belo/BeloPage.tsx
index fa8ec8c..3cd417d 100644
--- a/apps/frontend/src/features/belo/BeloPage.tsx
+++ b/apps/frontend/src/features/belo/BeloPage.tsx
@@ -1,26 +1,32 @@
+import { Link } from "@tanstack/react-router";
+import { BarChart3, RefreshCw } from "lucide-react";
 import { useMemo, useState } from "react";
 import {
-  LineChart,
+  CartesianGrid,
   Line,
+  LineChart,
+  ReferenceLine,
+  ResponsiveContainer,
+  Tooltip,
   XAxis,
   YAxis,
-  CartesianGrid,
-  Tooltip,
-  ResponsiveContainer,
-  ReferenceLine,
 } from "recharts";
 import {
   Gauge,
   GaugeIndicator,
-  GaugeTrack,
   GaugeRange,
+  GaugeTrack,
   GaugeValueText,
 } from "@/components/ui/gauge";
-import { useQuotes, useQuoteHistory, useDailyMinMax, useDailyQuotes, useFetchQuotes } from "@/lib/queries";
-import { Link } from "@tanstack/react-router";
+import {
+  useDailyMinMax,
+  useDailyQuotes,
+  useFetchQuotes,
+  useQuoteHistory,
+  useQuotes,
+} from "@/lib/queries";
 import { RelativeTime } from "@/lib/time";
 import { cn } from "@/lib/utils";
-import { BarChart3, RefreshCw } from "lucide-react";
 
 const priceFormatter = new Intl.NumberFormat("es-AR", {
   minimumFractionDigits: 2,
@@ -105,15 +111,13 @@ export function BeloPage() {
 
   const now = new Date();
   const todayStr = formatDate(now);
-  const firstOfMonth = formatDate(new Date(now.getFullYear(), now.getMonth(), 1));
+  const firstOfMonth = formatDate(
+    new Date(now.getFullYear(), now.getMonth(), 1),
+  );
 
   const { data: quotes, isLoading: quotesLoading } = useQuotes();
   const { mutate: doFetchQuotes, isPending: fetchPending } = useFetchQuotes();
-  const { data: dailyMinMax, isLoading: minMaxLoading } = useDailyMinMax(
-    "BELO",
-    todayStr,
-    todayStr,
-  );
+  const { data: dailyMinMax } = useDailyMinMax("BELO", todayStr, todayStr);
   const { data: monthlyMinMax } = useDailyMinMax(
     "BELO",
     firstOfMonth,
@@ -140,7 +144,8 @@ export function BeloPage() {
   const minSell = maxData ? Number(maxData.minSell) : 0;
   const maxSell = maxData ? Number(maxData.maxSell) : 0;
 
-  const gaugeValue = currentBuy > 0 && maxBuy > minBuy ? Math.min(currentBuy, maxBuy) : null;
+  const gaugeValue =
+    currentBuy > 0 && maxBuy > minBuy ? Math.min(currentBuy, maxBuy) : null;
 
   const gaugePercentage = useMemo(() => {
     if (gaugeValue !== null && maxBuy > minBuy) {
@@ -242,28 +247,18 @@ export function BeloPage() {
             onClick={() => doFetchQuotes()}
             className="inline-flex items-center gap-2 text-sm text-muted-foreground hover:text-foreground transition-colors cursor-pointer"
           >
-            <RefreshCw className={`h-4 w-4 ${isFetching ? "animate-spin" : ""}`} />
+            <RefreshCw
+              className={`h-4 w-4 ${isFetching ? "animate-spin" : ""}`}
+            />
             Actualizar
           </button>
         </div>
       </div>
 
       <div className="grid gap-4 md:grid-cols-5">
-        <StatCard
-          label="Precio actual"
-          buy={currentBuy}
-          sell={currentSell}
-        />
-        <StatCard
-          label="Mínimo del día"
-          buy={minBuy}
-          sell={minSell}
-        />
-        <StatCard
-          label="Máximo del día"
-          buy={maxBuy}
-          sell={maxSell}
-        />
+        <StatCard label="Precio actual" buy={currentBuy} sell={currentSell} />
+        <StatCard label="Mínimo del día" buy={minBuy} sell={minSell} />
+        <StatCard label="Máximo del día" buy={maxBuy} sell={maxSell} />
         <StatCard
           label="Máximo del mes"
           buy={monthlyMax?.maxBuy ?? 0}
@@ -282,7 +277,8 @@ export function BeloPage() {
             startAngle={0}
             endAngle={360}
             getValueText={(v, m, mx) => {
-              const pct = mx === m ? 100 : Math.round(((v - m) / (mx - m)) * 100);
+              const pct =
+                mx === m ? 100 : Math.round(((v - m) / (mx - m)) * 100);
               return `${pct}%`;
             }}
           >
@@ -290,7 +286,12 @@ export function BeloPage() {
               <GaugeTrack />
               <GaugeRange className={getGaugeColor(gaugePercentage)} />
             </GaugeIndicator>
-            <GaugeValueText className={cn(getGaugeColor(gaugePercentage), "text-sm font-semibold")} />
+            <GaugeValueText
+              className={cn(
+                getGaugeColor(gaugePercentage),
+                "text-sm font-semibold",
+              )}
+            />
           </Gauge>
         </div>
       </div>
@@ -336,7 +337,10 @@ export function BeloPage() {
           <div className="h-64">
             <ResponsiveContainer width="100%" height="100%">
               <LineChart data={chartData}>
-                <CartesianGrid strokeDasharray="3 3" className="stroke-border" />
+                <CartesianGrid
+                  strokeDasharray="3 3"
+                  className="stroke-border"
+                />
                 <XAxis
                   dataKey="time"
                   tick={{ fontSize: 11 }}
@@ -351,11 +355,11 @@ export function BeloPage() {
                   domain={yDomain}
                 />
                 <Tooltip
-                  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+                  // biome-ignore lint/suspicious/noExplicitAny: recharts types
                   formatter={(value: any) => [
                     `$${priceFormatter.format(Number(value))}`,
                   ]}
-                  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+                  // biome-ignore lint/suspicious/noExplicitAny: recharts types
                   labelFormatter={(label: any) =>
                     period === "day" ? `Hora: ${label}` : `Fecha: ${label}`
                   }
@@ -417,11 +421,17 @@ export function BeloPage() {
 
         <div className="flex items-center justify-center gap-4 mt-3">
           <div className="flex items-center gap-1.5">
-            <span className="size-2.5 rounded-full" style={{ backgroundColor: "var(--chart-1)" }} />
+            <span
+              className="size-2.5 rounded-full"
+              style={{ backgroundColor: "var(--chart-1)" }}
+            />
             <span className="text-xs text-muted-foreground">Compra</span>
           </div>
           <div className="flex items-center gap-1.5">
-            <span className="size-2.5 rounded-full" style={{ backgroundColor: "var(--chart-2)" }} />
+            <span
+              className="size-2.5 rounded-full"
+              style={{ backgroundColor: "var(--chart-2)" }}
+            />
             <span className="text-xs text-muted-foreground">Venta</span>
           </div>
         </div>
diff --git a/apps/frontend/src/features/dashboard/DashboardPage.tsx b/apps/frontend/src/features/dashboard/DashboardPage.tsx
index 26eb42d..f33248f 100644
--- a/apps/frontend/src/features/dashboard/DashboardPage.tsx
+++ b/apps/frontend/src/features/dashboard/DashboardPage.tsx
@@ -1,14 +1,19 @@
-import { Minus, RefreshCw, TrendingDown, TrendingUp } from "lucide-react";
-import { RelativeTime } from "@/lib/time";
-import type { Quote } from "@/lib/api";
-import { useQuotes, useFetchQuotes, useMonthlyPayedTotal, useMonthlyTotals } from "@/lib/queries";
 import { useNavigate } from "@tanstack/react-router";
+import { Minus, RefreshCw, TrendingDown, TrendingUp } from "lucide-react";
 import {
   Tooltip,
   TooltipContent,
   TooltipProvider,
   TooltipTrigger,
 } from "@/components/ui/tooltip";
+import type { Quote } from "@/lib/api";
+import {
+  useFetchQuotes,
+  useMonthlyPayedTotal,
+  useMonthlyTotals,
+  useQuotes,
+} from "@/lib/queries";
+import { RelativeTime } from "@/lib/time";
 import { DashboardExpensesTable } from "./components/DashboardExpensesTable";
 
 const priceFormatter = new Intl.NumberFormat("es-AR", {
@@ -16,7 +21,17 @@ const priceFormatter = new Intl.NumberFormat("es-AR", {
   maximumFractionDigits: 2,
 });
 
-function QuoteCard({ quote, title, to, variant }: { quote: Quote | undefined; title: string; to?: string; variant?: "default" | "minimal" }) {
+function QuoteCard({
+  quote,
+  title,
+  to,
+  variant,
+}: {
+  quote: Quote | undefined;
+  title: string;
+  to?: string;
+  variant?: "default" | "minimal";
+}) {
   const navigate = useNavigate();
   const diff = quote ? Number(quote.difference) : 0;
   const pct = quote ? Number(quote.percentage) : 0;
@@ -24,10 +39,13 @@ function QuoteCard({ quote, title, to, variant }: { quote: Quote | undefined; ti
   const isDown = diff < 0;
 
   return (
+    // biome-ignore lint/a11y/noStaticElementInteractions: conditional button
     <div
       className="rounded-lg border p-4 cursor-pointer"
       onClick={() => to && navigate({ to })}
-      onKeyDown={(e) => { if (e.key === "Enter" && to) navigate({ to }); }}
+      onKeyDown={(e) => {
+        if (e.key === "Enter" && to) navigate({ to });
+      }}
       role={to ? "button" : undefined}
       tabIndex={to ? 0 : undefined}
     >
@@ -70,7 +88,9 @@ function QuoteCard({ quote, title, to, variant }: { quote: Quote | undefined; ti
           <TooltipProvider>
             <Tooltip>
               <TooltipTrigger className="cursor-default">
-                <p className="text-2xl font-bold tabular-nums text-left">${priceFormatter.format(Number(quote.buy))}</p>
+                <p className="text-2xl font-bold tabular-nums text-left">
+                  ${priceFormatter.format(Number(quote.buy))}
+                </p>
               </TooltipTrigger>
               <TooltipContent side="bottom">
                 <p>Compra: ${priceFormatter.format(Number(quote.buy))}</p>
@@ -81,10 +101,16 @@ function QuoteCard({ quote, title, to, variant }: { quote: Quote | undefined; ti
         ) : (
           <div className="space-y-1">
             <p className="text-sm">
-              Compra: <span className="text-lg font-bold">${priceFormatter.format(Number(quote.buy))}</span>
+              Compra:{" "}
+              <span className="text-lg font-bold">
+                ${priceFormatter.format(Number(quote.buy))}
+              </span>
             </p>
             <p className="text-sm">
-              Venta: <span className="text-lg font-bold">${priceFormatter.format(Number(quote.sell))}</span>
+              Venta:{" "}
+              <span className="text-lg font-bold">
+                ${priceFormatter.format(Number(quote.sell))}
+              </span>
             </p>
           </div>
         )
@@ -103,8 +129,14 @@ export function DashboardPage() {
   const blue = quotes?.find((q) => q.type === "BLUE");
 
   const now = new Date();
-  const { data: monthlyExpenses } = useMonthlyPayedTotal(now.getFullYear(), now.getMonth() + 1);
-  const { data: monthlyTotals } = useMonthlyTotals(now.getFullYear(), now.getMonth() + 1);
+  const { data: monthlyExpenses } = useMonthlyPayedTotal(
+    now.getFullYear(),
+    now.getMonth() + 1,
+  );
+  const { data: monthlyTotals } = useMonthlyTotals(
+    now.getFullYear(),
+    now.getMonth() + 1,
+  );
 
   const isFetching = isLoading || isPending;
 
@@ -118,20 +150,31 @@ export function DashboardPage() {
           onClick={() => doFetchQuotes()}
           className="inline-flex items-center gap-2 text-sm text-muted-foreground hover:text-foreground transition-colors cursor-pointer"
         >
-          <RefreshCw className={`h-4 w-4 ${isFetching ? "animate-spin" : ""}`} />
+          <RefreshCw
+            className={`h-4 w-4 ${isFetching ? "animate-spin" : ""}`}
+          />
           Actualizar
         </button>
       </div>
       <div className="grid gap-4 md:grid-cols-4">
         <div className="rounded-lg border p-4">
           <p className="text-sm text-muted-foreground">Pagos pendientes</p>
-          <p className="text-2xl font-bold">${priceFormatter.format(monthlyTotals?.pending ?? 0)}</p>
+          <p className="text-2xl font-bold">
+            ${priceFormatter.format(monthlyTotals?.pending ?? 0)}
+          </p>
         </div>
         <div className="rounded-lg border p-4">
           <p className="text-sm text-muted-foreground">Gastos del mes</p>
-          <p className="text-2xl font-bold">${priceFormatter.format(monthlyExpenses?.total ?? 0)}</p>
+          <p className="text-2xl font-bold">
+            ${priceFormatter.format(monthlyExpenses?.total ?? 0)}
+          </p>
         </div>
-        <QuoteCard quote={belo} title="BELO" to="/quotes/belo" variant="minimal" />
+        <QuoteCard
+          quote={belo}
+          title="BELO"
+          to="/quotes/belo"
+          variant="minimal"
+        />
         <QuoteCard quote={blue} title="BLUE" variant="minimal" />
       </div>
       <DashboardExpensesTable />
diff --git a/apps/frontend/src/features/dashboard/components/DashboardExpensesTable.tsx b/apps/frontend/src/features/dashboard/components/DashboardExpensesTable.tsx
index 0ca6775..bb341c7 100644
--- a/apps/frontend/src/features/dashboard/components/DashboardExpensesTable.tsx
+++ b/apps/frontend/src/features/dashboard/components/DashboardExpensesTable.tsx
@@ -1,8 +1,8 @@
-import { useMemo } from "react";
-import { CalendarClock, ExternalLink } from "lucide-react";
 import { useNavigate } from "@tanstack/react-router";
-import { usePendingUpcomingExpenses } from "@/lib/queries";
+import { CalendarClock, ExternalLink } from "lucide-react";
+import { useMemo } from "react";
 import type { PendingUpcomingExpense } from "@/lib/api";
+import { usePendingUpcomingExpenses } from "@/lib/queries";
 
 type GroupedExpense = {
   periodicExpenseId: number;
@@ -100,12 +100,15 @@ export function DashboardExpensesTable() {
         <CalendarClock className="size-4 text-muted-foreground" />
         <h2 className="text-sm font-medium">Gastos por vencer</h2>
         {isLoading && (
-          <span className="ml-auto text-xs text-muted-foreground">Cargando...</span>
+          <span className="ml-auto text-xs text-muted-foreground">
+            Cargando...
+          </span>
         )}
         {!isLoading && hasData && (
           <span className="ml-auto text-xs text-muted-foreground tabular-nums">
             {overdueCount} vencido{overdueCount !== 1 ? "s" : ""}
-            {upcomingCount > 0 && ` · ${upcomingCount} próximo${upcomingCount !== 1 ? "s" : ""}`}
+            {upcomingCount > 0 &&
+              ` · ${upcomingCount} próximo${upcomingCount !== 1 ? "s" : ""}`}
           </span>
         )}
       </div>
@@ -163,16 +166,29 @@ export function DashboardExpensesTable() {
         <table className="w-full text-sm">
           <thead>
             <tr className="border-b bg-muted/50">
-              <th className="px-3 py-2 text-left text-xs font-medium text-muted-foreground">Descripción</th>
-              <th className="px-3 py-2 text-left text-xs font-medium text-muted-foreground">Monto</th>
-              <th className="px-3 py-2 text-left text-xs font-medium text-muted-foreground">Vencimiento</th>
-              <th className="px-3 py-2 text-left text-xs font-medium text-muted-foreground">Cantidad</th>
-              <th className="px-3 py-2 text-left text-xs font-medium text-muted-foreground">Estado</th>
+              <th className="px-3 py-2 text-left text-xs font-medium text-muted-foreground">
+                Descripción
+              </th>
+              <th className="px-3 py-2 text-left text-xs font-medium text-muted-foreground">
+                Monto
+              </th>
+              <th className="px-3 py-2 text-left text-xs font-medium text-muted-foreground">
+                Vencimiento
+              </th>
+              <th className="px-3 py-2 text-left text-xs font-medium text-muted-foreground">
+                Cantidad
+              </th>
+              <th className="px-3 py-2 text-left text-xs font-medium text-muted-foreground">
+                Estado
+              </th>
             </tr>
           </thead>
           <tbody>
             {groups.map((group) => (
-              <tr key={group.periodicExpenseId} className="border-b last:border-0 hover:bg-muted/30">
+              <tr
+                key={group.periodicExpenseId}
+                className="border-b last:border-0 hover:bg-muted/30"
+              >
                 <td className="px-3 py-2.5">
                   <button
                     type="button"
@@ -183,8 +199,12 @@ export function DashboardExpensesTable() {
                     <ExternalLink className="size-3 shrink-0 text-muted-foreground" />
                   </button>
                 </td>
-                <td className="px-3 py-2.5 tabular-nums">{formatAmount(group.totalAmount)}</td>
-                <td className="px-3 py-2.5 text-muted-foreground">{formatDate(group.earliestDueDate)}</td>
+                <td className="px-3 py-2.5 tabular-nums">
+                  {formatAmount(group.totalAmount)}
+                </td>
+                <td className="px-3 py-2.5 text-muted-foreground">
+                  {formatDate(group.earliestDueDate)}
+                </td>
                 <td className="px-3 py-2.5 text-muted-foreground tabular-nums">
                   {group.count > 1 ? `${group.count} gastos` : "1 gasto"}
                 </td>
@@ -196,7 +216,9 @@ export function DashboardExpensesTable() {
             {hasData && (
               <tr className="border-t bg-muted/50 font-medium">
                 <td className="px-3 py-2.5">Total</td>
-                <td className="px-3 py-2.5 tabular-nums">{formatAmount(grandTotal)}</td>
+                <td className="px-3 py-2.5 tabular-nums">
+                  {formatAmount(grandTotal)}
+                </td>
                 <td colSpan={3} />
               </tr>
             )}
diff --git a/apps/frontend/src/features/expenses/ExpensesPage.tsx b/apps/frontend/src/features/expenses/ExpensesPage.tsx
index 6e67e17..d7afa91 100644
--- a/apps/frontend/src/features/expenses/ExpensesPage.tsx
+++ b/apps/frontend/src/features/expenses/ExpensesPage.tsx
@@ -1,8 +1,8 @@
 import { useState } from "react";
 import { Route } from "@/routes/_authenticated/expenses";
-import { ExpensesProvider } from "./ExpensesProvider";
 import { ExpensesTabContent } from "./components/ExpensesTabContent";
 import { PeriodicExpensesTabContent } from "./components/PeriodicExpensesTabContent";
+import { ExpensesProvider } from "./ExpensesProvider";
 
 const tabs = [
   { id: "expenses", label: "Gastos" },
diff --git a/apps/frontend/src/features/expenses/ExpensesProvider.tsx b/apps/frontend/src/features/expenses/ExpensesProvider.tsx
index 28886a6..45687af 100644
--- a/apps/frontend/src/features/expenses/ExpensesProvider.tsx
+++ b/apps/frontend/src/features/expenses/ExpensesProvider.tsx
@@ -1,30 +1,38 @@
-import { createContext, useContext, useState, useCallback, useEffect, useRef, type ReactNode } from "react";
 import {
-  usePeriodicExpenses,
-  useCreatePeriodicExpense,
-  useUpdatePeriodicExpense,
-  useDeletePeriodicExpense,
-  useGenerateMonthlyExpense,
-  useExpenses,
-  useCreateNonPeriodicExpense,
-  usePayExpense,
-  useMonthlyTotals,
-  useTotalPending,
-  useImportPeriodicExpenses,
-  useImportExpenses,
-} from "@/lib/queries";
+  createContext,
+  type ReactNode,
+  useCallback,
+  useContext,
+  useEffect,
+  useRef,
+  useState,
+} from "react";
 import type {
-  PeriodicExpense,
-  Expense,
-  CreatePeriodicExpenseInput,
   CreateNonPeriodicExpenseInput,
-  PayExpenseInput,
-  PaginatedResponse,
-  MonthlyTotals,
-  MonthlyExpensesTotal,
-  ImportResult,
+  CreatePeriodicExpenseInput,
+  Expense,
   ImportExpensesResult,
+  ImportResult,
+  MonthlyExpensesTotal,
+  MonthlyTotals,
+  PaginatedResponse,
+  PayExpenseInput,
+  PeriodicExpense,
 } from "@/lib/api";
+import {
+  useCreateNonPeriodicExpense,
+  useCreatePeriodicExpense,
+  useDeletePeriodicExpense,
+  useExpenses,
+  useGenerateMonthlyExpense,
+  useImportExpenses,
+  useImportPeriodicExpenses,
+  useMonthlyTotals,
+  usePayExpense,
+  usePeriodicExpenses,
+  useTotalPending,
+  useUpdatePeriodicExpense,
+} from "@/lib/queries";
 
 interface ExpensesContextValue {
   periodicExpenses: PeriodicExpense[];
@@ -47,11 +55,18 @@ interface ExpensesContextValue {
   totalPending: MonthlyExpensesTotal | undefined;
   isLoadingTotalPending: boolean;
 
-  createPeriodicExpense: (data: CreatePeriodicExpenseInput) => Promise<PeriodicExpense>;
-  updatePeriodicExpense: (id: number, data: CreatePeriodicExpenseInput) => Promise<void>;
+  createPeriodicExpense: (
+    data: CreatePeriodicExpenseInput,
+  ) => Promise<PeriodicExpense>;
+  updatePeriodicExpense: (
+    id: number,
+    data: CreatePeriodicExpenseInput,
+  ) => Promise<void>;
   deletePeriodicExpense: (id: number) => Promise<void>;
   generateMonthlyExpense: (id: number) => Promise<Expense>;
-  createNonPeriodicExpense: (data: CreateNonPeriodicExpenseInput) => Promise<void>;
+  createNonPeriodicExpense: (
+    data: CreateNonPeriodicExpenseInput,
+  ) => Promise<void>;
   payExpense: (id: number, data: PayExpenseInput) => Promise<void>;
   importPeriodicExpenses: (file: File) => Promise<ImportResult>;
   importExpenses: (file: File) => Promise<ImportExpensesResult>;
@@ -59,11 +74,19 @@ interface ExpensesContextValue {
 
 const ExpensesContext = createContext<ExpensesContextValue | null>(null);
 
-export function ExpensesProvider({ children, initialPeriodicExpenseId }: { children: ReactNode; initialPeriodicExpenseId?: number }) {
+export function ExpensesProvider({
+  children,
+  initialPeriodicExpenseId,
+}: {
+  children: ReactNode;
+  initialPeriodicExpenseId?: number;
+}) {
   const [statusFilter, setStatusFilter] = useState("PENDING");
   const [page, setPage] = useState(1);
   const pageSize = 10;
-  const [periodicExpenseFilter, setPeriodicExpenseFilter] = useState<number | undefined>(initialPeriodicExpenseId);
+  const [periodicExpenseFilter, setPeriodicExpenseFilter] = useState<
+    number | undefined
+  >(initialPeriodicExpenseId);
   const [searchInput, setSearchInput] = useState("");
   const [searchQuery, setSearchQuery] = useState("");
 
@@ -81,15 +104,28 @@ export function ExpensesProvider({ children, initialPeriodicExpenseId }: { child
 
   useEffect(() => {
     setPage(1);
-  }, [periodicExpenseFilter, searchQuery]);
+  }, []);
 
-  const { data: periodicExpenses = [], isLoading: isLoadingPeriodic } = usePeriodicExpenses();
-  const { data: expenses = { data: [], total: 0, page: 1, pageSize: 10 }, isLoading: isLoadingExpenses } =
-    useExpenses(statusFilter, page, pageSize, periodicExpenseFilter, searchQuery || undefined);
+  const { data: periodicExpenses = [], isLoading: isLoadingPeriodic } =
+    usePeriodicExpenses();
+  const {
+    data: expenses = { data: [], total: 0, page: 1, pageSize: 10 },
+    isLoading: isLoadingExpenses,
+  } = useExpenses(
+    statusFilter,
+    page,
+    pageSize,
+    periodicExpenseFilter,
+    searchQuery || undefined,
+  );
 
   const now = new Date();
-  const { data: monthlyTotals, isLoading: isLoadingTotals } = useMonthlyTotals(now.getFullYear(), now.getMonth() + 1);
-  const { data: totalPending, isLoading: isLoadingTotalPending } = useTotalPending();
+  const { data: monthlyTotals, isLoading: isLoadingTotals } = useMonthlyTotals(
+    now.getFullYear(),
+    now.getMonth() + 1,
+  );
+  const { data: totalPending, isLoading: isLoadingTotalPending } =
+    useTotalPending();
 
   const createPeriodicMutation = useCreatePeriodicExpense();
   const updatePeriodicMutation = useUpdatePeriodicExpense();
@@ -193,6 +229,7 @@ export function ExpensesProvider({ children, initialPeriodicExpenseId }: { child
 
 export function useExpensesContext() {
   const ctx = useContext(ExpensesContext);
-  if (!ctx) throw new Error("useExpensesContext must be used within ExpensesProvider");
+  if (!ctx)
+    throw new Error("useExpensesContext must be used within ExpensesProvider");
   return ctx;
 }
diff --git a/apps/frontend/src/features/expenses/components/ExpensesTabContent.tsx b/apps/frontend/src/features/expenses/components/ExpensesTabContent.tsx
index ac12396..508ee48 100644
--- a/apps/frontend/src/features/expenses/components/ExpensesTabContent.tsx
+++ b/apps/frontend/src/features/expenses/components/ExpensesTabContent.tsx
@@ -1,17 +1,14 @@
-import { useState, useRef } from "react";
-import { useExpensesContext } from "../ExpensesProvider";
-import { ExpensesTable } from "./ExpensesTable";
-import { PayExpenseDialog } from "./PayExpenseDialog";
-import { NewExpenseDialog } from "./NewExpenseDialog";
+import { Plus, Search, Upload, X } from "lucide-react";
+import { useRef, useState } from "react";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
 import {
   ResponsiveDialog,
   ResponsiveDialogContent,
+  ResponsiveDialogDescription,
   ResponsiveDialogHeader,
   ResponsiveDialogTitle,
-  ResponsiveDialogDescription,
 } from "@/components/ui/responsive-dialog";
-import { Button } from "@/components/ui/button";
-import { Input } from "@/components/ui/input";
 import {
   Select,
   SelectContent,
@@ -19,8 +16,11 @@ import {
   SelectTrigger,
   SelectValue,
 } from "@/components/ui/select";
-import { Plus, Upload, Search, X } from "lucide-react";
 import type { Expense, ImportExpensesResult } from "@/lib/api";
+import { useExpensesContext } from "../ExpensesProvider";
+import { ExpensesTable } from "./ExpensesTable";
+import { NewExpenseDialog } from "./NewExpenseDialog";
+import { PayExpenseDialog } from "./PayExpenseDialog";
 
 const priceFormatter = new Intl.NumberFormat("es-AR", {
   minimumFractionDigits: 2,
@@ -33,9 +33,7 @@ export function ExpensesTabContent() {
     isLoadingExpenses,
     statusFilter,
     setStatusFilter,
-    page,
     setPage,
-    pageSize,
     monthlyTotals,
     isLoadingTotals,
     totalPending,
@@ -48,12 +46,16 @@ export function ExpensesTabContent() {
     importExpenses,
   } = useExpensesContext();
 
-  const [payDialogExpense, setPayDialogExpense] = useState<Expense | null>(null);
+  const [payDialogExpense, setPayDialogExpense] = useState<Expense | null>(
+    null,
+  );
   const [newExpenseOpen, setNewExpenseOpen] = useState(false);
 
   const [importDialogOpen, setImportDialogOpen] = useState(false);
   const [importing, setImporting] = useState(false);
-  const [importResult, setImportResult] = useState<ImportExpensesResult | null>(null);
+  const [importResult, setImportResult] = useState<ImportExpensesResult | null>(
+    null,
+  );
   const fileInputRef = useRef<HTMLInputElement>(null);
 
   const filters = [
@@ -72,7 +74,10 @@ export function ExpensesTabContent() {
               variant={statusFilter === f.value ? "default" : "outline"}
               size="xs"
               className="shrink-0"
-              onClick={() => { setStatusFilter(f.value); setPage(1); }}
+              onClick={() => {
+                setStatusFilter(f.value);
+                setPage(1);
+              }}
             >
               {f.label}
             </Button>
@@ -98,7 +103,11 @@ export function ExpensesTabContent() {
             )}
           </div>
           <Select
-            value={periodicExpenseFilter !== undefined ? String(periodicExpenseFilter) : "all"}
+            value={
+              periodicExpenseFilter !== undefined
+                ? String(periodicExpenseFilter)
+                : "all"
+            }
             onValueChange={(val) => {
               setPeriodicExpenseFilter(val === "all" ? undefined : Number(val));
               setPage(1);
@@ -117,11 +126,20 @@ export function ExpensesTabContent() {
             </SelectContent>
           </Select>
           <div className="grid grid-cols-2 gap-2 sm:flex">
-            <Button onClick={() => setImportDialogOpen(true)} variant="outline" size="sm" className="min-w-0">
+            <Button
+              onClick={() => setImportDialogOpen(true)}
+              variant="outline"
+              size="sm"
+              className="min-w-0"
+            >
               <Upload className="size-4" />
               <span className="truncate">Importar</span>
             </Button>
-            <Button onClick={() => setNewExpenseOpen(true)} size="sm" className="min-w-0">
+            <Button
+              onClick={() => setNewExpenseOpen(true)}
+              size="sm"
+              className="min-w-0"
+            >
               <Plus className="size-4" />
               <span className="truncate">Nuevo gasto</span>
             </Button>
@@ -152,7 +170,9 @@ export function ExpensesTabContent() {
           </p>
         </div>
         <div className="rounded-lg border p-4">
-          <p className="text-sm text-muted-foreground">Total Pendiente del Mes</p>
+          <p className="text-sm text-muted-foreground">
+            Total Pendiente del Mes
+          </p>
           <p className="text-2xl font-bold tabular-nums">
             {isLoadingTotals
               ? "..."
@@ -160,7 +180,9 @@ export function ExpensesTabContent() {
           </p>
         </div>
         <div className="rounded-lg border p-4">
-          <p className="text-sm text-muted-foreground">Total Pendiente General</p>
+          <p className="text-sm text-muted-foreground">
+            Total Pendiente General
+          </p>
           <p className="text-2xl font-bold tabular-nums">
             {isLoadingTotalPending
               ? "..."
@@ -177,19 +199,26 @@ export function ExpensesTabContent() {
         }}
       />
 
-      <NewExpenseDialog open={newExpenseOpen} onOpenChange={setNewExpenseOpen} />
+      <NewExpenseDialog
+        open={newExpenseOpen}
+        onOpenChange={setNewExpenseOpen}
+      />
 
-      <ResponsiveDialog open={importDialogOpen} onOpenChange={(open) => {
-        setImportDialogOpen(open);
-        if (!open) {
-          setImportResult(null);
-        }
-      }}>
+      <ResponsiveDialog
+        open={importDialogOpen}
+        onOpenChange={(open) => {
+          setImportDialogOpen(open);
+          if (!open) {
+            setImportResult(null);
+          }
+        }}
+      >
         <ResponsiveDialogContent>
           <ResponsiveDialogHeader>
             <ResponsiveDialogTitle>Importar gastos</ResponsiveDialogTitle>
             <ResponsiveDialogDescription>
-              Seleccioná un archivo CSV (delimitado por pipes) para importar gastos.
+              Seleccioná un archivo CSV (delimitado por pipes) para importar
+              gastos.
             </ResponsiveDialogDescription>
           </ResponsiveDialogHeader>
 
@@ -208,15 +237,20 @@ export function ExpensesTabContent() {
               </ul>
               {importResult.errors && importResult.errors.length > 0 && (
                 <div className="rounded-md border border-destructive/50 bg-destructive/10 p-3">
-                  <p className="mb-1 text-xs font-medium text-destructive">Errores:</p>
+                  <p className="mb-1 text-xs font-medium text-destructive">
+                    Errores:
+                  </p>
                   <ul className="list-inside list-disc text-xs text-destructive/80">
-                    {importResult.errors.map((err, i) => (
-                      <li key={i}>{err}</li>
+                    {importResult.errors.map((err) => (
+                      <li key={err}>{err}</li>
                     ))}
                   </ul>
                 </div>
               )}
-              <Button className="w-full" onClick={() => setImportDialogOpen(false)}>
+              <Button
+                className="w-full"
+                onClick={() => setImportDialogOpen(false)}
+              >
                 Cerrar
               </Button>
             </div>
@@ -239,8 +273,13 @@ export function ExpensesTabContent() {
                     const result = await importExpenses(file);
                     setImportResult(result);
                   } catch (err) {
-                    const message = err instanceof Error ? err.message : String(err);
-                    setImportResult({ imported: 0, skipped: 0, errors: [message] });
+                    const message =
+                      err instanceof Error ? err.message : String(err);
+                    setImportResult({
+                      imported: 0,
+                      skipped: 0,
+                      errors: [message],
+                    });
                   } finally {
                     setImporting(false);
                   }
diff --git a/apps/frontend/src/features/expenses/components/ExpensesTable.tsx b/apps/frontend/src/features/expenses/components/ExpensesTable.tsx
index 95ec435..37da41e 100644
--- a/apps/frontend/src/features/expenses/components/ExpensesTable.tsx
+++ b/apps/frontend/src/features/expenses/components/ExpensesTable.tsx
@@ -1,13 +1,18 @@
-import { useMemo } from "react";
 import {
+  type ColumnDef,
   flexRender,
   getCoreRowModel,
   useReactTable,
-  type ColumnDef,
 } from "@tanstack/react-table";
-import type { Expense } from "@/lib/api";
+import {
+  ChevronsLeftIcon,
+  ChevronsRightIcon,
+  CircleDollarSign,
+  SkipBackIcon,
+  SkipForwardIcon,
+} from "lucide-react";
+import { useMemo } from "react";
 import { Button } from "@/components/ui/button";
-import { CircleDollarSign, ChevronsLeftIcon, ChevronsRightIcon, SkipBackIcon, SkipForwardIcon } from "lucide-react";
 import {
   Pagination,
   PaginationContent,
@@ -16,6 +21,7 @@ import {
   PaginationNext,
   PaginationPrevious,
 } from "@/components/ui/pagination";
+import type { Expense } from "@/lib/api";
 
 interface ExpensesTableProps {
   data: Expense[];
@@ -37,7 +43,10 @@ function formatExpenseDate(value: string) {
 
 function formatExpenseAmount(expense: Expense) {
   const isPayed = expense.status === "PAYED";
-  const value = isPayed && expense.amountPayed ? Number(expense.amountPayed) : Number(expense.amount);
+  const value =
+    isPayed && expense.amountPayed
+      ? Number(expense.amountPayed)
+      : Number(expense.amount);
 
   return `$${value.toLocaleString("es-AR", { minimumFractionDigits: 2 })}`;
 }
@@ -58,7 +67,14 @@ function ExpenseStatusBadge({ status }: { status: Expense["status"] }) {
   );
 }
 
-export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange }: ExpensesTableProps) {
+export function ExpensesTable({
+  data,
+  onPay,
+  page,
+  total,
+  pageSize,
+  onPageChange,
+}: ExpensesTableProps) {
   const columns = useMemo<ColumnDef<Expense>[]>(
     () => [
       {
@@ -74,9 +90,7 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
         cell: ({ row }) => {
           const expense = row.original;
           return (
-            <span className="tabular-nums">
-              {formatExpenseAmount(expense)}
-            </span>
+            <span className="tabular-nums">{formatExpenseAmount(expense)}</span>
           );
         },
       },
@@ -95,7 +109,11 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
         header: "Estado",
         accessorKey: "status",
         cell: ({ row }) => {
-          return <ExpenseStatusBadge status={row.getValue("status") as Expense["status"]} />;
+          return (
+            <ExpenseStatusBadge
+              status={row.getValue("status") as Expense["status"]}
+            />
+          );
         },
       },
       {
@@ -149,31 +167,32 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
   const endPage = Math.min(startPage + GROUP_SIZE - 1, totalPages);
   const firstItem = total === 0 ? 0 : (page - 1) * pageSize + 1;
   const lastItem = Math.min(page * pageSize, total);
-  const mobilePagination = total > 0 ? (
-    <div className="rounded-lg border bg-card p-2 sm:hidden">
-      <div className="mb-2 text-center text-xs text-muted-foreground tabular-nums">
-        {firstItem}-{lastItem} de {total} · Página {page} de {totalPages}
+  const mobilePagination =
+    total > 0 ? (
+      <div className="rounded-lg border bg-card p-2 sm:hidden">
+        <div className="mb-2 text-center text-xs text-muted-foreground tabular-nums">
+          {firstItem}-{lastItem} de {total} · Página {page} de {totalPages}
+        </div>
+        <div className="grid grid-cols-2 gap-2">
+          <Button
+            variant="outline"
+            size="sm"
+            disabled={page <= 1}
+            onClick={() => onPageChange(page - 1)}
+          >
+            Anterior
+          </Button>
+          <Button
+            variant="outline"
+            size="sm"
+            disabled={page >= totalPages}
+            onClick={() => onPageChange(page + 1)}
+          >
+            Siguiente
+          </Button>
+        </div>
       </div>
-      <div className="grid grid-cols-2 gap-2">
-        <Button
-          variant="outline"
-          size="sm"
-          disabled={page <= 1}
-          onClick={() => onPageChange(page - 1)}
-        >
-          Anterior
-        </Button>
-        <Button
-          variant="outline"
-          size="sm"
-          disabled={page >= totalPages}
-          onClick={() => onPageChange(page + 1)}
-        >
-          Siguiente
-        </Button>
-      </div>
-    </div>
-  ) : null;
+    ) : null;
 
   return (
     <div className="space-y-4">
@@ -181,7 +200,10 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
 
       <div className="space-y-2 sm:hidden">
         {data.map((expense) => (
-          <div key={expense.id} className="rounded-lg border bg-card p-3 text-sm">
+          <div
+            key={expense.id}
+            className="rounded-lg border bg-card p-3 text-sm"
+          >
             <div className="flex items-start justify-between gap-3">
               <div className="min-w-0">
                 <p className="truncate font-medium">{expense.description}</p>
@@ -194,9 +216,13 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
 
             <div className="mt-3 flex items-end justify-between gap-3">
               <div className="min-w-0">
-                <p className="text-lg font-semibold tabular-nums">{formatExpenseAmount(expense)}</p>
+                <p className="text-lg font-semibold tabular-nums">
+                  {formatExpenseAmount(expense)}
+                </p>
                 <p className="text-xs text-muted-foreground">
-                  {expense.paymentDate ? `Pagado ${formatExpenseDate(expense.paymentDate)}` : "Sin fecha de pago"}
+                  {expense.paymentDate
+                    ? `Pagado ${formatExpenseDate(expense.paymentDate)}`
+                    : "Sin fecha de pago"}
                 </p>
               </div>
 
@@ -231,7 +257,10 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
                     key={header.id}
                     className="px-3 py-2 text-left text-xs font-medium text-muted-foreground"
                   >
-                    {flexRender(header.column.columnDef.header, header.getContext())}
+                    {flexRender(
+                      header.column.columnDef.header,
+                      header.getContext(),
+                    )}
                   </th>
                 ))}
               </tr>
@@ -239,7 +268,10 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
           </thead>
           <tbody>
             {table.getRowModel().rows.map((row) => (
-              <tr key={row.id} className="border-b last:border-0 hover:bg-muted/30">
+              <tr
+                key={row.id}
+                className="border-b last:border-0 hover:bg-muted/30"
+              >
                 {row.getVisibleCells().map((cell) => (
                   <td key={cell.id} className="px-3 py-2.5">
                     {flexRender(cell.column.columnDef.cell, cell.getContext())}
@@ -249,7 +281,10 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
             ))}
             {table.getRowModel().rows.length === 0 && (
               <tr>
-                <td colSpan={columns.length} className="px-3 py-8 text-center text-sm text-muted-foreground">
+                <td
+                  colSpan={columns.length}
+                  className="px-3 py-8 text-center text-sm text-muted-foreground"
+                >
                   No hay gastos para mostrar.
                 </td>
               </tr>
@@ -265,7 +300,10 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
           <PaginationContent>
             <PaginationItem>
               <PaginationLink
-                onClick={(e) => { e.preventDefault(); onPageChange(1); }}
+                onClick={(e) => {
+                  e.preventDefault();
+                  onPageChange(1);
+                }}
                 href="#"
                 aria-label="Ir a la primera página"
                 className={page <= 1 ? "pointer-events-none opacity-50" : ""}
@@ -275,7 +313,10 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
             </PaginationItem>
             <PaginationItem>
               <PaginationPrevious
-                onClick={(e) => { e.preventDefault(); if (page > 1) onPageChange(page - 1); }}
+                onClick={(e) => {
+                  e.preventDefault();
+                  if (page > 1) onPageChange(page - 1);
+                }}
                 href="#"
                 className={page <= 1 ? "pointer-events-none opacity-50" : ""}
               />
@@ -283,7 +324,10 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
             {currentGroup > 0 && (
               <PaginationItem>
                 <PaginationLink
-                  onClick={(e) => { e.preventDefault(); onPageChange(startPage - 1); }}
+                  onClick={(e) => {
+                    e.preventDefault();
+                    onPageChange(startPage - 1);
+                  }}
                   href="#"
                   aria-label="Ir al grupo anterior"
                 >
@@ -291,11 +335,17 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
                 </PaginationLink>
               </PaginationItem>
             )}
-            {Array.from({ length: endPage - startPage + 1 }, (_, i) => startPage + i).map((p) => (
+            {Array.from(
+              { length: endPage - startPage + 1 },
+              (_, i) => startPage + i,
+            ).map((p) => (
               <PaginationItem key={p}>
                 <PaginationLink
                   isActive={p === page}
-                  onClick={(e) => { e.preventDefault(); onPageChange(p); }}
+                  onClick={(e) => {
+                    e.preventDefault();
+                    onPageChange(p);
+                  }}
                   href="#"
                 >
                   {p}
@@ -305,7 +355,10 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
             {(currentGroup + 1) * GROUP_SIZE < totalPages && (
               <PaginationItem>
                 <PaginationLink
-                  onClick={(e) => { e.preventDefault(); onPageChange(endPage + 1); }}
+                  onClick={(e) => {
+                    e.preventDefault();
+                    onPageChange(endPage + 1);
+                  }}
                   href="#"
                   aria-label="Ir al siguiente grupo"
                 >
@@ -315,17 +368,27 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
             )}
             <PaginationItem>
               <PaginationNext
-                onClick={(e) => { e.preventDefault(); if (page < totalPages) onPageChange(page + 1); }}
+                onClick={(e) => {
+                  e.preventDefault();
+                  if (page < totalPages) onPageChange(page + 1);
+                }}
                 href="#"
-                className={page >= totalPages ? "pointer-events-none opacity-50" : ""}
+                className={
+                  page >= totalPages ? "pointer-events-none opacity-50" : ""
+                }
               />
             </PaginationItem>
             <PaginationItem>
               <PaginationLink
-                onClick={(e) => { e.preventDefault(); onPageChange(totalPages); }}
+                onClick={(e) => {
+                  e.preventDefault();
+                  onPageChange(totalPages);
+                }}
                 href="#"
                 aria-label="Ir a la última página"
-                className={page >= totalPages ? "pointer-events-none opacity-50" : ""}
+                className={
+                  page >= totalPages ? "pointer-events-none opacity-50" : ""
+                }
               >
                 <SkipForwardIcon className="size-4" />
               </PaginationLink>
diff --git a/apps/frontend/src/features/expenses/components/GenerateCurrentMonthDialog.tsx b/apps/frontend/src/features/expenses/components/GenerateCurrentMonthDialog.tsx
index 0bafcda..04f9f41 100644
--- a/apps/frontend/src/features/expenses/components/GenerateCurrentMonthDialog.tsx
+++ b/apps/frontend/src/features/expenses/components/GenerateCurrentMonthDialog.tsx
@@ -1,12 +1,12 @@
+import { Button } from "@/components/ui/button";
 import {
   ResponsiveDialog,
   ResponsiveDialogContent,
-  ResponsiveDialogHeader,
-  ResponsiveDialogTitle,
   ResponsiveDialogDescription,
   ResponsiveDialogFooter,
+  ResponsiveDialogHeader,
+  ResponsiveDialogTitle,
 } from "@/components/ui/responsive-dialog";
-import { Button } from "@/components/ui/button";
 
 interface GenerateCurrentMonthDialogProps {
   open: boolean;
@@ -27,18 +27,19 @@ export function GenerateCurrentMonthDialog({
     <ResponsiveDialog open={open} onOpenChange={onOpenChange}>
       <ResponsiveDialogContent>
         <ResponsiveDialogHeader>
-          <ResponsiveDialogTitle>¿Generar gasto para este mes?</ResponsiveDialogTitle>
+          <ResponsiveDialogTitle>
+            ¿Generar gasto para este mes?
+          </ResponsiveDialogTitle>
           <ResponsiveDialogDescription>
-            <strong>{description}</strong> aplica al mes actual. ¿Querés generar el gasto ahora?
+            <strong>{description}</strong> aplica al mes actual. ¿Querés generar
+            el gasto ahora?
           </ResponsiveDialogDescription>
         </ResponsiveDialogHeader>
         <ResponsiveDialogFooter>
           <Button variant="outline" onClick={onSkip}>
             No, gracias
           </Button>
-          <Button onClick={onConfirm}>
-            Sí, generar
-          </Button>
+          <Button onClick={onConfirm}>Sí, generar</Button>
         </ResponsiveDialogFooter>
       </ResponsiveDialogContent>
     </ResponsiveDialog>
diff --git a/apps/frontend/src/features/expenses/components/NewExpenseDialog.tsx b/apps/frontend/src/features/expenses/components/NewExpenseDialog.tsx
index 1b1a73e..fae87c8 100644
--- a/apps/frontend/src/features/expenses/components/NewExpenseDialog.tsx
+++ b/apps/frontend/src/features/expenses/components/NewExpenseDialog.tsx
@@ -1,20 +1,22 @@
-import { useState } from "react";
-import { useForm, Controller } from "react-hook-form";
-import { z } from "zod";
 import { zodResolver } from "@hookform/resolvers/zod";
-import { useExpensesContext } from "../ExpensesProvider";
+import { Controller, useForm } from "react-hook-form";
+import { z } from "zod";
+import { Button } from "@/components/ui/button";
 import { DatePicker } from "@/components/ui/date-picker";
 import {
   ResponsiveDialog,
   ResponsiveDialogContent,
+  ResponsiveDialogFooter,
   ResponsiveDialogHeader,
   ResponsiveDialogTitle,
-  ResponsiveDialogFooter,
 } from "@/components/ui/responsive-dialog";
-import { Button } from "@/components/ui/button";
+import { useExpensesContext } from "../ExpensesProvider";
 
 const newExpenseSchema = z.object({
-  description: z.string().min(1, "La descripción es obligatoria").max(50, "Máximo 50 caracteres"),
+  description: z
+    .string()
+    .min(1, "La descripción es obligatoria")
+    .max(50, "Máximo 50 caracteres"),
   amount: z.number().positive("El monto debe ser mayor a 0"),
   dueDate: z.date({ message: "La fecha es obligatoria" }),
 });
@@ -26,7 +28,10 @@ interface NewExpenseDialogProps {
   onOpenChange: (open: boolean) => void;
 }
 
-export function NewExpenseDialog({ open, onOpenChange }: NewExpenseDialogProps) {
+export function NewExpenseDialog({
+  open,
+  onOpenChange,
+}: NewExpenseDialogProps) {
   const { createNonPeriodicExpense } = useExpensesContext();
 
   const {
@@ -65,7 +70,11 @@ export function NewExpenseDialog({ open, onOpenChange }: NewExpenseDialogProps)
           <ResponsiveDialogTitle>Nuevo gasto</ResponsiveDialogTitle>
         </ResponsiveDialogHeader>
 
-        <form id="new-expense-form" onSubmit={handleSubmit(onSubmit)} className="flex flex-col gap-4">
+        <form
+          id="new-expense-form"
+          onSubmit={handleSubmit(onSubmit)}
+          className="flex flex-col gap-4"
+        >
           <div className="flex flex-col gap-1.5">
             <label htmlFor="description" className="text-sm font-medium">
               Descripción
@@ -77,7 +86,9 @@ export function NewExpenseDialog({ open, onOpenChange }: NewExpenseDialogProps)
               className="h-8 rounded-lg border border-input bg-background px-2.5 text-sm outline-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50"
             />
             {errors.description && (
-              <span className="text-xs text-destructive">{errors.description.message}</span>
+              <span className="text-xs text-destructive">
+                {errors.description.message}
+              </span>
             )}
           </div>
 
@@ -95,14 +106,14 @@ export function NewExpenseDialog({ open, onOpenChange }: NewExpenseDialogProps)
               className="h-8 rounded-lg border border-input bg-background px-2.5 text-sm outline-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50"
             />
             {errors.amount && (
-              <span className="text-xs text-destructive">{errors.amount.message}</span>
+              <span className="text-xs text-destructive">
+                {errors.amount.message}
+              </span>
             )}
           </div>
 
           <div className="flex flex-col gap-1.5">
-            <label className="text-sm font-medium">
-              Fecha del gasto
-            </label>
+            <span className="text-sm font-medium">Fecha del gasto</span>
             <Controller
               control={control}
               name="dueDate"
@@ -115,13 +126,19 @@ export function NewExpenseDialog({ open, onOpenChange }: NewExpenseDialogProps)
               )}
             />
             {errors.dueDate && (
-              <span className="text-xs text-destructive">{errors.dueDate.message}</span>
+              <span className="text-xs text-destructive">
+                {errors.dueDate.message}
+              </span>
             )}
           </div>
         </form>
 
         <ResponsiveDialogFooter>
-          <Button variant="outline" onClick={() => handleClose(false)} disabled={isSubmitting}>
+          <Button
+            variant="outline"
+            onClick={() => handleClose(false)}
+            disabled={isSubmitting}
+          >
             Cancelar
           </Button>
           <Button type="submit" form="new-expense-form" disabled={isSubmitting}>
diff --git a/apps/frontend/src/features/expenses/components/PayExpenseDialog.tsx b/apps/frontend/src/features/expenses/components/PayExpenseDialog.tsx
index fc760f7..41e951d 100644
--- a/apps/frontend/src/features/expenses/components/PayExpenseDialog.tsx
+++ b/apps/frontend/src/features/expenses/components/PayExpenseDialog.tsx
@@ -1,18 +1,18 @@
-import { useEffect, useRef } from "react";
-import { useForm, Controller } from "react-hook-form";
-import { z } from "zod";
 import { zodResolver } from "@hookform/resolvers/zod";
-import type { Expense } from "@/lib/api";
-import { useExpensesContext } from "../ExpensesProvider";
+import { useEffect, useRef } from "react";
+import { Controller, useForm } from "react-hook-form";
+import { z } from "zod";
+import { Button } from "@/components/ui/button";
 import { DatePicker } from "@/components/ui/date-picker";
 import {
   ResponsiveDialog,
   ResponsiveDialogContent,
+  ResponsiveDialogFooter,
   ResponsiveDialogHeader,
   ResponsiveDialogTitle,
-  ResponsiveDialogFooter,
 } from "@/components/ui/responsive-dialog";
-import { Button } from "@/components/ui/button";
+import type { Expense } from "@/lib/api";
+import { useExpensesContext } from "../ExpensesProvider";
 
 const paySchema = z.object({
   amountPayed: z.number().positive("El monto debe ser mayor a 0"),
@@ -27,7 +27,11 @@ interface PayExpenseDialogProps {
   onOpenChange: (open: boolean) => void;
 }
 
-export function PayExpenseDialog({ expense, open, onOpenChange }: PayExpenseDialogProps) {
+export function PayExpenseDialog({
+  expense,
+  open,
+  onOpenChange,
+}: PayExpenseDialogProps) {
   const { payExpense } = useExpensesContext();
   const amountInputRef = useRef<HTMLInputElement | null>(null);
 
@@ -94,11 +98,18 @@ export function PayExpenseDialog({ expense, open, onOpenChange }: PayExpenseDial
         <div className="flex flex-col gap-1 rounded-lg bg-muted px-3 py-2 text-sm">
           <span className="font-medium">{expense.description}</span>
           <span className="text-muted-foreground">
-            Monto original: ${Number(expense.amount).toLocaleString("es-AR", { minimumFractionDigits: 2 })}
+            Monto original: $
+            {Number(expense.amount).toLocaleString("es-AR", {
+              minimumFractionDigits: 2,
+            })}
           </span>
         </div>
 
-        <form id="pay-form" onSubmit={handleSubmit(onSubmit)} className="flex flex-col gap-4">
+        <form
+          id="pay-form"
+          onSubmit={handleSubmit(onSubmit)}
+          className="flex flex-col gap-4"
+        >
           <div className="flex flex-col gap-1.5">
             <label htmlFor="amountPayed" className="text-sm font-medium">
               Monto pagado
@@ -116,14 +127,14 @@ export function PayExpenseDialog({ expense, open, onOpenChange }: PayExpenseDial
               className="h-8 rounded-lg border border-input bg-background px-2.5 text-sm outline-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50"
             />
             {errors.amountPayed && (
-              <span className="text-xs text-destructive">{errors.amountPayed.message}</span>
+              <span className="text-xs text-destructive">
+                {errors.amountPayed.message}
+              </span>
             )}
           </div>
 
           <div className="flex flex-col gap-1.5">
-            <label className="text-sm font-medium">
-              Fecha de pago
-            </label>
+            <span className="text-sm font-medium">Fecha de pago</span>
             <Controller
               control={control}
               name="paymentDate"
@@ -136,13 +147,19 @@ export function PayExpenseDialog({ expense, open, onOpenChange }: PayExpenseDial
               )}
             />
             {errors.paymentDate && (
-              <span className="text-xs text-destructive">{errors.paymentDate.message}</span>
+              <span className="text-xs text-destructive">
+                {errors.paymentDate.message}
+              </span>
             )}
           </div>
         </form>
 
         <ResponsiveDialogFooter>
-          <Button variant="outline" onClick={() => handleClose(false)} disabled={isSubmitting}>
+          <Button
+            variant="outline"
+            onClick={() => handleClose(false)}
+            disabled={isSubmitting}
+          >
             Cancelar
           </Button>
           <Button type="submit" form="pay-form" disabled={isSubmitting}>
diff --git a/apps/frontend/src/features/expenses/components/PeriodicExpenseForm.tsx b/apps/frontend/src/features/expenses/components/PeriodicExpenseForm.tsx
index 9431282..7eacebe 100644
--- a/apps/frontend/src/features/expenses/components/PeriodicExpenseForm.tsx
+++ b/apps/frontend/src/features/expenses/components/PeriodicExpenseForm.tsx
@@ -1,8 +1,8 @@
+import { zodResolver } from "@hookform/resolvers/zod";
 import { useForm } from "react-hook-form";
 import { z } from "zod";
-import { zodResolver } from "@hookform/resolvers/zod";
-import type { PeriodicExpense } from "@/lib/api";
 import { Button } from "@/components/ui/button";
+import type { PeriodicExpense } from "@/lib/api";
 
 const months = [
   { value: 1, label: "Ene" },
@@ -20,8 +20,15 @@ const months = [
 ];
 
 const periodicExpenseFormSchema = z.object({
-  description: z.string().min(1, "La descripción es obligatoria").max(50, "Máximo 50 caracteres"),
-  defaultDueDay: z.number().int().min(1, "Día entre 1 y 31").max(31, "Día entre 1 y 31"),
+  description: z
+    .string()
+    .min(1, "La descripción es obligatoria")
+    .max(50, "Máximo 50 caracteres"),
+  defaultDueDay: z
+    .number()
+    .int()
+    .min(1, "Día entre 1 y 31")
+    .max(31, "Día entre 1 y 31"),
   defaultAmount: z.number().positive("El monto debe ser mayor a 0"),
   periods: z.array(z.number()).min(1, "Seleccioná al menos un mes"),
 });
@@ -34,7 +41,11 @@ interface PeriodicExpenseFormProps {
   onCancel: () => void;
 }
 
-export function PeriodicExpenseForm({ initialData, onSubmit, onCancel }: PeriodicExpenseFormProps) {
+export function PeriodicExpenseForm({
+  initialData,
+  onSubmit,
+  onCancel,
+}: PeriodicExpenseFormProps) {
   const {
     register,
     handleSubmit,
@@ -62,9 +73,15 @@ export function PeriodicExpenseForm({ initialData, onSubmit, onCancel }: Periodi
 
   function toggleMonth(month: number) {
     if (selectedPeriods.includes(month)) {
-      setValue("periods", selectedPeriods.filter((m) => m !== month), { shouldValidate: true });
+      setValue(
+        "periods",
+        selectedPeriods.filter((m) => m !== month),
+        { shouldValidate: true },
+      );
     } else {
-      setValue("periods", [...selectedPeriods, month], { shouldValidate: true });
+      setValue("periods", [...selectedPeriods, month], {
+        shouldValidate: true,
+      });
     }
   }
 
@@ -81,7 +98,9 @@ export function PeriodicExpenseForm({ initialData, onSubmit, onCancel }: Periodi
           className="h-8 rounded-lg border border-input bg-background px-2.5 text-sm outline-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50"
         />
         {errors.description && (
-          <span className="text-xs text-destructive">{errors.description.message}</span>
+          <span className="text-xs text-destructive">
+            {errors.description.message}
+          </span>
         )}
       </div>
 
@@ -100,7 +119,9 @@ export function PeriodicExpenseForm({ initialData, onSubmit, onCancel }: Periodi
             className="h-8 rounded-lg border border-input bg-background px-2.5 text-sm outline-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50"
           />
           {errors.defaultAmount && (
-            <span className="text-xs text-destructive">{errors.defaultAmount.message}</span>
+            <span className="text-xs text-destructive">
+              {errors.defaultAmount.message}
+            </span>
           )}
         </div>
 
@@ -117,14 +138,16 @@ export function PeriodicExpenseForm({ initialData, onSubmit, onCancel }: Periodi
             className="h-8 rounded-lg border border-input bg-background px-2.5 text-sm outline-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50"
           />
           {errors.defaultDueDay && (
-            <span className="text-xs text-destructive">{errors.defaultDueDay.message}</span>
+            <span className="text-xs text-destructive">
+              {errors.defaultDueDay.message}
+            </span>
           )}
         </div>
       </div>
 
       <div className="flex flex-col gap-1.5">
         <div className="flex items-center justify-between">
-          <label className="text-sm font-medium">Meses de aplicación</label>
+          <span className="text-sm font-medium">Meses de aplicación</span>
           <div className="flex gap-2">
             <button
               type="button"
@@ -162,13 +185,20 @@ export function PeriodicExpenseForm({ initialData, onSubmit, onCancel }: Periodi
           ))}
         </div>
         {errors.periods && (
-          <span className="text-xs text-destructive">{errors.periods.message}</span>
+          <span className="text-xs text-destructive">
+            {errors.periods.message}
+          </span>
         )}
         <input type="hidden" {...register("periods")} />
       </div>
 
       <div className="flex flex-col-reverse sm:flex-row sm:justify-end gap-2 mt-2">
-        <Button type="button" variant="outline" onClick={onCancel} disabled={isSubmitting}>
+        <Button
+          type="button"
+          variant="outline"
+          onClick={onCancel}
+          disabled={isSubmitting}
+        >
           Cancelar
         </Button>
         <Button type="submit" disabled={isSubmitting}>
diff --git a/apps/frontend/src/features/expenses/components/PeriodicExpensesTabContent.tsx b/apps/frontend/src/features/expenses/components/PeriodicExpensesTabContent.tsx
index 263111b..17c6624 100644
--- a/apps/frontend/src/features/expenses/components/PeriodicExpensesTabContent.tsx
+++ b/apps/frontend/src/features/expenses/components/PeriodicExpensesTabContent.tsx
@@ -1,18 +1,18 @@
-import { useState, useRef } from "react";
-import { useExpensesContext } from "../ExpensesProvider";
-import { PeriodicExpensesTable } from "./PeriodicExpensesTable";
-import { PeriodicExpenseForm } from "./PeriodicExpenseForm";
-import { GenerateCurrentMonthDialog } from "./GenerateCurrentMonthDialog";
+import { Plus, Upload } from "lucide-react";
+import { useRef, useState } from "react";
+import { Button } from "@/components/ui/button";
 import {
   ResponsiveDialog,
   ResponsiveDialogContent,
+  ResponsiveDialogDescription,
   ResponsiveDialogHeader,
   ResponsiveDialogTitle,
-  ResponsiveDialogDescription,
 } from "@/components/ui/responsive-dialog";
-import { Button } from "@/components/ui/button";
-import { Plus, Upload } from "lucide-react";
-import type { PeriodicExpense, ImportResult } from "@/lib/api";
+import type { ImportResult, PeriodicExpense } from "@/lib/api";
+import { useExpensesContext } from "../ExpensesProvider";
+import { GenerateCurrentMonthDialog } from "./GenerateCurrentMonthDialog";
+import { PeriodicExpenseForm } from "./PeriodicExpenseForm";
+import { PeriodicExpensesTable } from "./PeriodicExpensesTable";
 
 export function PeriodicExpensesTabContent() {
   const {
@@ -53,7 +53,12 @@ export function PeriodicExpensesTabContent() {
     setEditingItem(null);
   }
 
-  async function handleSubmit(data: { description: string; defaultDueDay: number; defaultAmount: number; periods: number[] }) {
+  async function handleSubmit(data: {
+    description: string;
+    defaultDueDay: number;
+    defaultAmount: number;
+    periods: number[];
+  }) {
     if (editingItem) {
       await updatePeriodicExpense(editingItem.id, data);
     } else {
@@ -97,7 +102,12 @@ export function PeriodicExpensesTabContent() {
           Administrá tus gastos recurrentes.
         </p>
         <div className="grid grid-cols-2 gap-2 sm:flex">
-          <Button onClick={() => setImportDialogOpen(true)} variant="outline" size="sm" className="min-w-0">
+          <Button
+            onClick={() => setImportDialogOpen(true)}
+            variant="outline"
+            size="sm"
+            className="min-w-0"
+          >
             <Upload className="size-4" />
             <span className="truncate">Importar</span>
           </Button>
@@ -135,23 +145,31 @@ export function PeriodicExpensesTabContent() {
 
       <GenerateCurrentMonthDialog
         open={generateDialog.open}
-        onOpenChange={(open) => setGenerateDialog((prev) => ({ ...prev, open }))}
+        onOpenChange={(open) =>
+          setGenerateDialog((prev) => ({ ...prev, open }))
+        }
         description={generateDialog.description}
         onConfirm={handleConfirmGenerate}
         onSkip={handleSkipGenerate}
       />
 
-      <ResponsiveDialog open={importDialogOpen} onOpenChange={(open) => {
-        setImportDialogOpen(open);
-        if (!open) {
-          setImportResult(null);
-        }
-      }}>
+      <ResponsiveDialog
+        open={importDialogOpen}
+        onOpenChange={(open) => {
+          setImportDialogOpen(open);
+          if (!open) {
+            setImportResult(null);
+          }
+        }}
+      >
         <ResponsiveDialogContent>
           <ResponsiveDialogHeader>
-            <ResponsiveDialogTitle>Importar gastos periódicos</ResponsiveDialogTitle>
+            <ResponsiveDialogTitle>
+              Importar gastos periódicos
+            </ResponsiveDialogTitle>
             <ResponsiveDialogDescription>
-              Seleccioná un archivo CSV (delimitado por pipes) para importar gastos periódicos.
+              Seleccioná un archivo CSV (delimitado por pipes) para importar
+              gastos periódicos.
             </ResponsiveDialogDescription>
           </ResponsiveDialogHeader>
 
@@ -174,15 +192,20 @@ export function PeriodicExpensesTabContent() {
               </ul>
               {importResult.errors && importResult.errors.length > 0 && (
                 <div className="rounded-md border border-destructive/50 bg-destructive/10 p-3">
-                  <p className="mb-1 text-xs font-medium text-destructive">Errores:</p>
+                  <p className="mb-1 text-xs font-medium text-destructive">
+                    Errores:
+                  </p>
                   <ul className="list-inside list-disc text-xs text-destructive/80">
-                    {importResult.errors.map((err, i) => (
-                      <li key={i}>{err}</li>
+                    {importResult.errors.map((err) => (
+                      <li key={err}>{err}</li>
                     ))}
                   </ul>
                 </div>
               )}
-              <Button className="w-full" onClick={() => setImportDialogOpen(false)}>
+              <Button
+                className="w-full"
+                onClick={() => setImportDialogOpen(false)}
+              >
                 Cerrar
               </Button>
             </div>
@@ -205,8 +228,15 @@ export function PeriodicExpensesTabContent() {
                     const result = await importPeriodicExpenses(file);
                     setImportResult(result);
                   } catch (err) {
-                    const message = err instanceof Error ? err.message : String(err);
-                    setImportResult({ imported: 0, skipped: 0, skippedNoPeriods: 0, skippedDuplicate: 0, errors: [message] });
+                    const message =
+                      err instanceof Error ? err.message : String(err);
+                    setImportResult({
+                      imported: 0,
+                      skipped: 0,
+                      skippedNoPeriods: 0,
+                      skippedDuplicate: 0,
+                      errors: [message],
+                    });
                   } finally {
                     setImporting(false);
                   }
diff --git a/apps/frontend/src/features/expenses/components/PeriodicExpensesTable.tsx b/apps/frontend/src/features/expenses/components/PeriodicExpensesTable.tsx
index 94c4d9b..f8440d9 100644
--- a/apps/frontend/src/features/expenses/components/PeriodicExpensesTable.tsx
+++ b/apps/frontend/src/features/expenses/components/PeriodicExpensesTable.tsx
@@ -1,17 +1,28 @@
-import { useMemo } from "react";
 import {
+  type ColumnDef,
   flexRender,
   getCoreRowModel,
   useReactTable,
-  type ColumnDef,
 } from "@tanstack/react-table";
-import type { PeriodicExpense } from "@/lib/api";
-import { Button } from "@/components/ui/button";
 import { Pencil, Trash2 } from "lucide-react";
+import { useMemo } from "react";
+import { Button } from "@/components/ui/button";
+import type { PeriodicExpense } from "@/lib/api";
 
 const monthLabels = [
-  "", "Ene", "Feb", "Mar", "Abr", "May", "Jun",
-  "Jul", "Ago", "Sep", "Oct", "Nov", "Dic",
+  "",
+  "Ene",
+  "Feb",
+  "Mar",
+  "Abr",
+  "May",
+  "Jun",
+  "Jul",
+  "Ago",
+  "Sep",
+  "Oct",
+  "Nov",
+  "Dic",
 ];
 
 function formatPeriods(periods: number[]): string {
@@ -28,7 +39,11 @@ function formatPeriods(periods: number[]): string {
     if (curr === prev + 1) {
       prev = curr;
     } else {
-      ranges.push(start === prev ? monthLabels[start] : `${monthLabels[start]}-${monthLabels[prev]}`);
+      ranges.push(
+        start === prev
+          ? monthLabels[start]
+          : `${monthLabels[start]}-${monthLabels[prev]}`,
+      );
       start = curr;
       prev = curr;
     }
@@ -43,7 +58,11 @@ interface PeriodicExpensesTableProps {
   onDelete: (id: number) => void;
 }
 
-export function PeriodicExpensesTable({ data, onEdit, onDelete }: PeriodicExpensesTableProps) {
+export function PeriodicExpensesTable({
+  data,
+  onEdit,
+  onDelete,
+}: PeriodicExpensesTableProps) {
   const columns = useMemo<ColumnDef<PeriodicExpense>[]>(
     () => [
       {
@@ -122,7 +141,10 @@ export function PeriodicExpensesTable({ data, onEdit, onDelete }: PeriodicExpens
               <div className="min-w-0">
                 <p className="truncate font-medium">{item.description}</p>
                 <p className="mt-1 text-lg font-semibold tabular-nums">
-                  ${Number(item.defaultAmount).toLocaleString("es-AR", { minimumFractionDigits: 2 })}
+                  $
+                  {Number(item.defaultAmount).toLocaleString("es-AR", {
+                    minimumFractionDigits: 2,
+                  })}
                 </p>
               </div>
               <div className="flex shrink-0 gap-1">
@@ -148,11 +170,15 @@ export function PeriodicExpensesTable({ data, onEdit, onDelete }: PeriodicExpens
             <div className="mt-3 grid grid-cols-2 gap-2 text-xs text-muted-foreground">
               <div className="rounded-md bg-muted/40 px-2 py-1.5">
                 <span className="block">Vence</span>
-                <span className="font-medium text-foreground">Día {item.defaultDueDay}</span>
+                <span className="font-medium text-foreground">
+                  Día {item.defaultDueDay}
+                </span>
               </div>
               <div className="min-w-0 rounded-md bg-muted/40 px-2 py-1.5">
                 <span className="block">Meses</span>
-                <span className="block truncate font-medium text-foreground">{formatPeriods(item.periods)}</span>
+                <span className="block truncate font-medium text-foreground">
+                  {formatPeriods(item.periods)}
+                </span>
               </div>
             </div>
           </div>
@@ -174,7 +200,10 @@ export function PeriodicExpensesTable({ data, onEdit, onDelete }: PeriodicExpens
                     key={header.id}
                     className="px-3 py-2 text-left text-xs font-medium text-muted-foreground"
                   >
-                    {flexRender(header.column.columnDef.header, header.getContext())}
+                    {flexRender(
+                      header.column.columnDef.header,
+                      header.getContext(),
+                    )}
                   </th>
                 ))}
               </tr>
@@ -182,7 +211,10 @@ export function PeriodicExpensesTable({ data, onEdit, onDelete }: PeriodicExpens
           </thead>
           <tbody>
             {table.getRowModel().rows.map((row) => (
-              <tr key={row.id} className="border-b last:border-0 hover:bg-muted/30">
+              <tr
+                key={row.id}
+                className="border-b last:border-0 hover:bg-muted/30"
+              >
                 {row.getVisibleCells().map((cell) => (
                   <td key={cell.id} className="px-3 py-2.5">
                     {flexRender(cell.column.columnDef.cell, cell.getContext())}
@@ -192,7 +224,10 @@ export function PeriodicExpensesTable({ data, onEdit, onDelete }: PeriodicExpens
             ))}
             {table.getRowModel().rows.length === 0 && (
               <tr>
-                <td colSpan={columns.length} className="px-3 py-8 text-center text-sm text-muted-foreground">
+                <td
+                  colSpan={columns.length}
+                  className="px-3 py-8 text-center text-sm text-muted-foreground"
+                >
                   No hay gastos periódicos todavía.
                 </td>
               </tr>
diff --git a/apps/frontend/src/features/quotes/QuotesPage.tsx b/apps/frontend/src/features/quotes/QuotesPage.tsx
index 22410de..b4d79e3 100644
--- a/apps/frontend/src/features/quotes/QuotesPage.tsx
+++ b/apps/frontend/src/features/quotes/QuotesPage.tsx
@@ -2,7 +2,9 @@ export function QuotesPage() {
   return (
     <div className="space-y-4">
       <h1 className="text-2xl font-semibold">Cotizaciones</h1>
-      <p className="text-muted-foreground">Creá y administrá tus cotizaciones acá.</p>
+      <p className="text-muted-foreground">
+        Creá y administrá tus cotizaciones acá.
+      </p>
     </div>
   );
 }
diff --git a/apps/frontend/src/lib/api.ts b/apps/frontend/src/lib/api.ts
index 947f5ee..a51c21c 100644
--- a/apps/frontend/src/lib/api.ts
+++ b/apps/frontend/src/lib/api.ts
@@ -53,7 +53,11 @@ async function fetcher<T>(url: string): Promise<T> {
   return res.json();
 }
 
-async function mutator<T>(url: string, method: string, body?: unknown): Promise<T> {
+async function mutator<T>(
+  url: string,
+  method: string,
+  body?: unknown,
+): Promise<T> {
   const res = await fetch(url, {
     method,
     headers: { "Content-Type": "application/json" },
@@ -154,11 +158,16 @@ export function getPeriodicExpenses(): Promise<PeriodicExpense[]> {
   return fetcher<PeriodicExpense[]>("/api/periodic-expenses");
 }
 
-export function createPeriodicExpense(data: CreatePeriodicExpenseInput): Promise<PeriodicExpense> {
+export function createPeriodicExpense(
+  data: CreatePeriodicExpenseInput,
+): Promise<PeriodicExpense> {
   return mutator<PeriodicExpense>("/api/periodic-expenses", "POST", data);
 }
 
-export function updatePeriodicExpense(id: number, data: CreatePeriodicExpenseInput): Promise<PeriodicExpense> {
+export function updatePeriodicExpense(
+  id: number,
+  data: CreatePeriodicExpenseInput,
+): Promise<PeriodicExpense> {
   return mutator<PeriodicExpense>(`/api/periodic-expenses/${id}`, "PUT", data);
 }
 
@@ -167,12 +176,18 @@ export function deletePeriodicExpense(id: number): Promise<void> {
 }
 
 export function generateMonthlyExpense(id: number): Promise<Expense> {
-  return mutator<Expense>(`/api/periodic-expenses/${id}/generate-month`, "POST");
+  return mutator<Expense>(
+    `/api/periodic-expenses/${id}/generate-month`,
+    "POST",
+  );
 }
 
 export type MonthlyExpensesTotal = { total: number };
 
-export function getMonthlyPayedTotal(year?: number, month?: number): Promise<MonthlyExpensesTotal> {
+export function getMonthlyPayedTotal(
+  year?: number,
+  month?: number,
+): Promise<MonthlyExpensesTotal> {
   const params = new URLSearchParams();
   if (year) params.set("year", String(year));
   if (month) params.set("month", String(month));
@@ -202,17 +217,22 @@ export function getExpenses(
   if (status) params.set("status", status);
   if (page) params.set("page", String(page));
   if (pageSize) params.set("pageSize", String(pageSize));
-  if (periodicExpenseId) params.set("periodicExpenseId", String(periodicExpenseId));
+  if (periodicExpenseId)
+    params.set("periodicExpenseId", String(periodicExpenseId));
   if (search) params.set("search", search);
   const qs = params.toString();
-  return fetcher<PaginatedResponse<Expense>>(`/api/expenses${qs ? `?${qs}` : ""}`);
+  return fetcher<PaginatedResponse<Expense>>(
+    `/api/expenses${qs ? `?${qs}` : ""}`,
+  );
 }
 
 export type PendingUpcomingExpense = Expense & {
   dueType: "overdue" | "upcoming";
 };
 
-export function getPendingUpcomingExpenses(): Promise<PendingUpcomingExpense[]> {
+export function getPendingUpcomingExpenses(): Promise<
+  PendingUpcomingExpense[]
+> {
   return fetcher<PendingUpcomingExpense[]>("/api/expenses/pending-upcoming");
 }
 
@@ -220,18 +240,26 @@ export function getTotalPending(): Promise<MonthlyExpensesTotal> {
   return fetcher<MonthlyExpensesTotal>("/api/expenses/pending-total");
 }
 
-export function getMonthlyTotals(year?: number, month?: number): Promise<MonthlyTotals> {
+export function getMonthlyTotals(
+  year?: number,
+  month?: number,
+): Promise<MonthlyTotals> {
   const params = new URLSearchParams();
   if (year) params.set("year", String(year));
   if (month) params.set("month", String(month));
   return fetcher<MonthlyTotals>(`/api/expenses/totals?${params}`);
 }
 
-export function createNonPeriodicExpense(data: CreateNonPeriodicExpenseInput): Promise<Expense> {
+export function createNonPeriodicExpense(
+  data: CreateNonPeriodicExpenseInput,
+): Promise<Expense> {
   return mutator<Expense>("/api/expenses", "POST", data);
 }
 
-export function payExpense(id: number, data: PayExpenseInput): Promise<Expense> {
+export function payExpense(
+  id: number,
+  data: PayExpenseInput,
+): Promise<Expense> {
   return mutator<Expense>(`/api/expenses/${id}/pay`, "PUT", data);
 }
 
diff --git a/apps/frontend/src/lib/auth-context.tsx b/apps/frontend/src/lib/auth-context.tsx
index cd74a80..1a53ded 100644
--- a/apps/frontend/src/lib/auth-context.tsx
+++ b/apps/frontend/src/lib/auth-context.tsx
@@ -1,5 +1,5 @@
-import { createContext, useContext, useCallback, type ReactNode } from "react";
-import { authClient, type AuthSession } from "./auth-client";
+import { createContext, type ReactNode, useCallback, useContext } from "react";
+import { type AuthSession, authClient } from "./auth-client";
 
 interface AuthContextValue {
   session: AuthSession | null;
@@ -7,7 +7,10 @@ interface AuthContextValue {
   isAuthenticated: boolean;
   signIn: (password: string) => Promise<void>;
   signOut: () => Promise<void>;
-  changePassword: (currentPassword: string, newPassword: string) => Promise<void>;
+  changePassword: (
+    currentPassword: string,
+    newPassword: string,
+  ) => Promise<void>;
 }
 
 const AuthContext = createContext<AuthContextValue | null>(null);
diff --git a/apps/frontend/src/lib/queries.ts b/apps/frontend/src/lib/queries.ts
index af09360..3bfa17a 100644
--- a/apps/frontend/src/lib/queries.ts
+++ b/apps/frontend/src/lib/queries.ts
@@ -1,19 +1,33 @@
-import { keepPreviousData, useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
 import {
-  getQuotes, fetchQuotes, getQuoteHistory, getDailyMinMax, getDailyQuotes, getHistoricalMinMax,
-  getPeriodicExpenses, createPeriodicExpense as createPeriodicExpenseApi,
-  updatePeriodicExpense as updatePeriodicExpenseApi,
+  keepPreviousData,
+  useMutation,
+  useQuery,
+  useQueryClient,
+} from "@tanstack/react-query";
+import {
+  type CreateNonPeriodicExpenseInput,
+  type CreatePeriodicExpenseInput,
+  createNonPeriodicExpense as createNonPeriodicExpenseApi,
+  createPeriodicExpense as createPeriodicExpenseApi,
   deletePeriodicExpense as deletePeriodicExpenseApi,
+  fetchQuotes,
   generateMonthlyExpense as generateMonthlyExpenseApi,
-  getExpenses, createNonPeriodicExpense as createNonPeriodicExpenseApi,
-  payExpense as payExpenseApi,
+  getDailyMinMax,
+  getDailyQuotes,
+  getExpenses,
+  getHistoricalMinMax,
   getMonthlyPayedTotal,
   getMonthlyTotals,
-  getTotalPending,
-  importPeriodicExpenses,
-  importExpenses,
   getPendingUpcomingExpenses,
-  type CreatePeriodicExpenseInput, type CreateNonPeriodicExpenseInput, type PayExpenseInput,
+  getPeriodicExpenses,
+  getQuoteHistory,
+  getQuotes,
+  getTotalPending,
+  importExpenses,
+  importPeriodicExpenses,
+  type PayExpenseInput,
+  payExpense as payExpenseApi,
+  updatePeriodicExpense as updatePeriodicExpenseApi,
 } from "./api";
 
 export const quoteKeys = {
@@ -48,7 +62,11 @@ export function useFetchQuotes() {
   });
 }
 
-export function useQuoteHistory(type: string, startDate: string, endDate: string) {
+export function useQuoteHistory(
+  type: string,
+  startDate: string,
+  endDate: string,
+) {
   return useQuery({
     queryKey: quoteKeys.history(type, startDate, endDate),
     queryFn: () => getQuoteHistory(type, startDate, endDate),
@@ -57,7 +75,11 @@ export function useQuoteHistory(type: string, startDate: string, endDate: string
   });
 }
 
-export function useDailyMinMax(type: string, startDate: string, endDate: string) {
+export function useDailyMinMax(
+  type: string,
+  startDate: string,
+  endDate: string,
+) {
   return useQuery({
     queryKey: quoteKeys.minMax(type, startDate, endDate),
     queryFn: () => getDailyMinMax(type, startDate, endDate),
@@ -66,7 +88,11 @@ export function useDailyMinMax(type: string, startDate: string, endDate: string)
   });
 }
 
-export function useDailyQuotes(type: string, startDate: string, endDate: string) {
+export function useDailyQuotes(
+  type: string,
+  startDate: string,
+  endDate: string,
+) {
   return useQuery({
     queryKey: quoteKeys.daily(type, startDate, endDate),
     queryFn: () => getDailyQuotes(type, startDate, endDate),
@@ -88,10 +114,17 @@ export function useHistoricalMinMax(type: string) {
 export const expenseKeys = {
   periodic: ["periodic-expenses"] as const,
   all: ["expenses"] as const,
-  byFilters: (status: string, page: number, pageSize: number, periodicExpenseId?: number, search?: string) =>
-    ["expenses", status, page, pageSize, periodicExpenseId, search] as const,
-  monthlyTotal: (year: number, month: number) => ["expenses", "monthly-total", year, month] as const,
-  monthlyTotals: (year: number, month: number) => ["expenses", "totals", year, month] as const,
+  byFilters: (
+    status: string,
+    page: number,
+    pageSize: number,
+    periodicExpenseId?: number,
+    search?: string,
+  ) => ["expenses", status, page, pageSize, periodicExpenseId, search] as const,
+  monthlyTotal: (year: number, month: number) =>
+    ["expenses", "monthly-total", year, month] as const,
+  monthlyTotals: (year: number, month: number) =>
+    ["expenses", "totals", year, month] as const,
   totalPending: ["expenses", "pending-total"] as const,
   pendingUpcoming: ["expenses", "pending-upcoming"] as const,
 };
@@ -106,7 +139,8 @@ export function usePeriodicExpenses() {
 export function useCreatePeriodicExpense() {
   const queryClient = useQueryClient();
   return useMutation({
-    mutationFn: (data: CreatePeriodicExpenseInput) => createPeriodicExpenseApi(data),
+    mutationFn: (data: CreatePeriodicExpenseInput) =>
+      createPeriodicExpenseApi(data),
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: expenseKeys.periodic });
     },
@@ -116,8 +150,13 @@ export function useCreatePeriodicExpense() {
 export function useUpdatePeriodicExpense() {
   const queryClient = useQueryClient();
   return useMutation({
-    mutationFn: ({ id, data }: { id: number; data: CreatePeriodicExpenseInput }) =>
-      updatePeriodicExpenseApi(id, data),
+    mutationFn: ({
+      id,
+      data,
+    }: {
+      id: number;
+      data: CreatePeriodicExpenseInput;
+    }) => updatePeriodicExpenseApi(id, data),
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: expenseKeys.periodic });
     },
@@ -144,17 +183,30 @@ export function useGenerateMonthlyExpense() {
   });
 }
 
-export function useExpenses(status: string, page: number = 1, pageSize: number = 10, periodicExpenseId?: number, search?: string) {
+export function useExpenses(
+  status: string,
+  page: number = 1,
+  pageSize: number = 10,
+  periodicExpenseId?: number,
+  search?: string,
+) {
   return useQuery({
-    queryKey: expenseKeys.byFilters(status, page, pageSize, periodicExpenseId, search),
-    placeholderData: keepPreviousData,
-    queryFn: () => getExpenses(
-      status === "all" ? undefined : status,
+    queryKey: expenseKeys.byFilters(
+      status,
       page,
       pageSize,
       periodicExpenseId,
       search,
     ),
+    placeholderData: keepPreviousData,
+    queryFn: () =>
+      getExpenses(
+        status === "all" ? undefined : status,
+        page,
+        pageSize,
+        periodicExpenseId,
+        search,
+      ),
   });
 }
 
@@ -189,7 +241,8 @@ export function useMonthlyPayedTotal(year: number, month: number) {
 export function useCreateNonPeriodicExpense() {
   const queryClient = useQueryClient();
   return useMutation({
-    mutationFn: (data: CreateNonPeriodicExpenseInput) => createNonPeriodicExpenseApi(data),
+    mutationFn: (data: CreateNonPeriodicExpenseInput) =>
+      createNonPeriodicExpenseApi(data),
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: expenseKeys.all });
     },
diff --git a/apps/frontend/src/lib/sse-context.tsx b/apps/frontend/src/lib/sse-context.tsx
index 94fa9c8..38e324a 100644
--- a/apps/frontend/src/lib/sse-context.tsx
+++ b/apps/frontend/src/lib/sse-context.tsx
@@ -1,5 +1,11 @@
-import { createContext, useContext, useEffect, useState, type ReactNode } from "react";
 import { useQueryClient } from "@tanstack/react-query";
+import {
+  createContext,
+  type ReactNode,
+  useContext,
+  useEffect,
+  useState,
+} from "react";
 import { quoteKeys } from "./queries";
 
 type SseStatus = "connecting" | "connected" | "disconnected";
@@ -17,7 +23,7 @@ export function SseProvider({ children }: { children: ReactNode }) {
   useEffect(() => {
     const MAX_RETRIES = 10;
     let retryCount = 0;
-    let eventSource = new EventSource("/api/quotes/events");
+    const eventSource = new EventSource("/api/quotes/events");
 
     eventSource.addEventListener("quotes-updated", () => {
       queryClient.invalidateQueries({ queryKey: quoteKeys.all });
@@ -43,9 +49,5 @@ export function SseProvider({ children }: { children: ReactNode }) {
     };
   }, [queryClient]);
 
-  return (
-    <SseContext.Provider value={status}>
-      {children}
-    </SseContext.Provider>
-  );
+  return <SseContext.Provider value={status}>{children}</SseContext.Provider>;
 }
diff --git a/apps/frontend/src/lib/theme.tsx b/apps/frontend/src/lib/theme.tsx
index e34f0a1..eb93b5c 100644
--- a/apps/frontend/src/lib/theme.tsx
+++ b/apps/frontend/src/lib/theme.tsx
@@ -1,4 +1,10 @@
-import { createContext, useContext, useEffect, useState, useCallback } from "react";
+import {
+  createContext,
+  useCallback,
+  useContext,
+  useEffect,
+  useState,
+} from "react";
 
 type Theme = "light" | "dark" | "system";
 
@@ -17,13 +23,16 @@ const THEME_CYCLE: Theme[] = ["light", "dark", "system"];
 function getStoredTheme(): Theme {
   if (typeof localStorage === "undefined") return "system";
   const stored = localStorage.getItem(STORAGE_KEY);
-  if (stored === "light" || stored === "dark" || stored === "system") return stored;
+  if (stored === "light" || stored === "dark" || stored === "system")
+    return stored;
   return "system";
 }
 
 function getSystemTheme(): "light" | "dark" {
   if (typeof window === "undefined") return "light";
-  return window.matchMedia("(prefers-color-scheme: dark)").matches ? "dark" : "light";
+  return window.matchMedia("(prefers-color-scheme: dark)").matches
+    ? "dark"
+    : "light";
 }
 
 function applyThemeClass(resolved: "light" | "dark") {
@@ -64,7 +73,12 @@ export function ThemeProvider({ children }: { children: React.ReactNode }) {
 
   useEffect(() => {
     const handler = (e: KeyboardEvent) => {
-      if ((e.metaKey || e.ctrlKey) && e.key === "d" && !e.shiftKey && !e.altKey) {
+      if (
+        (e.metaKey || e.ctrlKey) &&
+        e.key === "d" &&
+        !e.shiftKey &&
+        !e.altKey
+      ) {
         e.preventDefault();
         cycleTheme();
       }
diff --git a/apps/frontend/src/lib/useQuoteEvents.ts b/apps/frontend/src/lib/useQuoteEvents.ts
index 3ceda4e..ecf1a69 100644
--- a/apps/frontend/src/lib/useQuoteEvents.ts
+++ b/apps/frontend/src/lib/useQuoteEvents.ts
@@ -1,5 +1,5 @@
-import { useEffect } from "react";
 import { useQueryClient } from "@tanstack/react-query";
+import { useEffect } from "react";
 import { quoteKeys } from "./queries";
 
 export function useQuoteEvents() {
diff --git a/apps/frontend/src/lib/utils.ts b/apps/frontend/src/lib/utils.ts
index bd0c391..365058c 100644
--- a/apps/frontend/src/lib/utils.ts
+++ b/apps/frontend/src/lib/utils.ts
@@ -1,6 +1,6 @@
-import { clsx, type ClassValue } from "clsx"
-import { twMerge } from "tailwind-merge"
+import { type ClassValue, clsx } from "clsx";
+import { twMerge } from "tailwind-merge";
 
 export function cn(...inputs: ClassValue[]) {
-  return twMerge(clsx(inputs))
+  return twMerge(clsx(inputs));
 }
diff --git a/apps/frontend/src/main.tsx b/apps/frontend/src/main.tsx
index 24377ef..025af5a 100644
--- a/apps/frontend/src/main.tsx
+++ b/apps/frontend/src/main.tsx
@@ -1,9 +1,9 @@
-import { StrictMode } from "react";
-import { createRoot } from "react-dom/client";
 import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
 import { ReactQueryDevtools } from "@tanstack/react-query-devtools";
-import { ThemeProvider } from "@/lib/theme";
+import { StrictMode } from "react";
+import { createRoot } from "react-dom/client";
 import { AuthProvider } from "@/lib/auth-context";
+import { ThemeProvider } from "@/lib/theme";
 import App from "./App";
 import "./index.css";
 
@@ -17,6 +17,7 @@ const queryClient = new QueryClient({
   },
 });
 
+// biome-ignore lint/style/noNonNullAssertion: root element exists in index.html
 createRoot(document.getElementById("root")!).render(
   <StrictMode>
     <ThemeProvider>
diff --git a/apps/frontend/src/router.tsx b/apps/frontend/src/router.tsx
index e3478de..42227a5 100644
--- a/apps/frontend/src/router.tsx
+++ b/apps/frontend/src/router.tsx
@@ -8,7 +8,10 @@ export interface RouterContext {
     isAuthenticated: boolean;
     signIn: (password: string) => Promise<void>;
     signOut: () => Promise<void>;
-    changePassword: (currentPassword: string, newPassword: string) => Promise<void>;
+    changePassword: (
+      currentPassword: string,
+      newPassword: string,
+    ) => Promise<void>;
   };
 }
 
diff --git a/apps/frontend/src/routes/__root.tsx b/apps/frontend/src/routes/__root.tsx
index a36e188..ba0575c 100644
--- a/apps/frontend/src/routes/__root.tsx
+++ b/apps/frontend/src/routes/__root.tsx
@@ -1,4 +1,8 @@
-import { createRootRouteWithContext, Outlet, redirect } from "@tanstack/react-router";
+import {
+  createRootRouteWithContext,
+  Outlet,
+  redirect,
+} from "@tanstack/react-router";
 import type { RouterContext } from "@/router";
 
 export const Route = createRootRouteWithContext<RouterContext>()({
diff --git a/apps/frontend/src/routes/_authenticated.tsx b/apps/frontend/src/routes/_authenticated.tsx
index a44482d..435638f 100644
--- a/apps/frontend/src/routes/_authenticated.tsx
+++ b/apps/frontend/src/routes/_authenticated.tsx
@@ -1,4 +1,4 @@
-import { createFileRoute, Outlet } from "@tanstack/react-router";
+import { createFileRoute } from "@tanstack/react-router";
 import { Layout } from "@/components/layout/Layout";
 
 export const Route = createFileRoute("/_authenticated")({
diff --git a/apps/frontend/src/routes/_authenticated/quotes.belo.tsx b/apps/frontend/src/routes/_authenticated/quotes.belo.tsx
index 5bae719..3dd0236 100644
--- a/apps/frontend/src/routes/_authenticated/quotes.belo.tsx
+++ b/apps/frontend/src/routes/_authenticated/quotes.belo.tsx
@@ -1,4 +1,4 @@
-import { Outlet, createFileRoute } from "@tanstack/react-router";
+import { createFileRoute, Outlet } from "@tanstack/react-router";
 
 export const Route = createFileRoute("/_authenticated/quotes/belo")({
   component: Outlet,
diff --git a/apps/frontend/src/routes/_authenticated/settings.tsx b/apps/frontend/src/routes/_authenticated/settings.tsx
index 41d6466..d80ace3 100644
--- a/apps/frontend/src/routes/_authenticated/settings.tsx
+++ b/apps/frontend/src/routes/_authenticated/settings.tsx
@@ -1,5 +1,5 @@
-import { useState } from "react";
 import { createFileRoute } from "@tanstack/react-router";
+import { useState } from "react";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { useAuth } from "@/lib/auth-context";
@@ -51,14 +51,15 @@ function SettingsPage() {
     <div className="mx-auto max-w-md space-y-6">
       <div>
         <h1 className="text-2xl font-semibold tracking-tight">Configuración</h1>
-        <p className="text-sm text-muted-foreground">
-          Cambiar contraseña
-        </p>
+        <p className="text-sm text-muted-foreground">Cambiar contraseña</p>
       </div>
       <form onSubmit={handleSubmit} className="space-y-4">
         <div className="space-y-2">
-          <label className="text-sm font-medium">Email</label>
+          <label htmlFor="email" className="text-sm font-medium">
+            Email
+          </label>
           <Input
+            id="email"
             value={auth.session?.user.email ?? ""}
             readOnly
             className="bg-muted"
@@ -66,8 +67,11 @@ function SettingsPage() {
           />
         </div>
         <div className="space-y-2">
-          <label className="text-sm font-medium">Contraseña actual</label>
+          <label htmlFor="current-password" className="text-sm font-medium">
+            Contraseña actual
+          </label>
           <Input
+            id="current-password"
             type="password"
             placeholder="••••••••"
             value={currentPassword}
@@ -75,8 +79,11 @@ function SettingsPage() {
           />
         </div>
         <div className="space-y-2">
-          <label className="text-sm font-medium">Nueva contraseña</label>
+          <label htmlFor="new-password" className="text-sm font-medium">
+            Nueva contraseña
+          </label>
           <Input
+            id="new-password"
             type="password"
             placeholder="••••••••"
             value={newPassword}
@@ -84,21 +91,30 @@ function SettingsPage() {
           />
         </div>
         <div className="space-y-2">
-          <label className="text-sm font-medium">Confirmar nueva contraseña</label>
+          <label htmlFor="confirm-password" className="text-sm font-medium">
+            Confirmar nueva contraseña
+          </label>
           <Input
+            id="confirm-password"
             type="password"
             placeholder="••••••••"
             value={confirmPassword}
             onChange={(e) => setConfirmPassword(e.target.value)}
           />
         </div>
-        {error && (
-          <p className="text-sm text-destructive">{error}</p>
-        )}
+        {error && <p className="text-sm text-destructive">{error}</p>}
         {success && (
-          <p className="text-sm text-emerald-600">Contraseña actualizada correctamente</p>
+          <p className="text-sm text-emerald-600">
+            Contraseña actualizada correctamente
+          </p>
         )}
-        <Button type="submit" className="w-full" disabled={loading || !currentPassword || !newPassword || !confirmPassword}>
+        <Button
+          type="submit"
+          className="w-full"
+          disabled={
+            loading || !currentPassword || !newPassword || !confirmPassword
+          }
+        >
           {loading ? "Guardando..." : "Cambiar contraseña"}
         </Button>
       </form>
diff --git a/apps/frontend/src/routes/login.tsx b/apps/frontend/src/routes/login.tsx
index 7b2bf2c..7681824 100644
--- a/apps/frontend/src/routes/login.tsx
+++ b/apps/frontend/src/routes/login.tsx
@@ -1,6 +1,6 @@
-import { useState } from "react";
 import { createFileRoute, useNavigate } from "@tanstack/react-router";
 import { Lock } from "lucide-react";
+import { useState } from "react";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { useAuth } from "@/lib/auth-context";
@@ -55,8 +55,11 @@ function LoginPage() {
           </div>
           <form onSubmit={handleSubmit} className="space-y-4">
             <div className="space-y-2">
-              <label className="text-sm font-medium">Email</label>
+              <label htmlFor="login-email" className="text-sm font-medium">
+                Email
+              </label>
               <Input
+                id="login-email"
                 value="jselesan@gmail.com"
                 readOnly
                 className="bg-muted text-muted-foreground"
@@ -64,8 +67,11 @@ function LoginPage() {
               />
             </div>
             <div className="space-y-2">
-              <label className="text-sm font-medium">Contraseña</label>
+              <label htmlFor="login-password" className="text-sm font-medium">
+                Contraseña
+              </label>
               <Input
+                id="login-password"
                 type="password"
                 placeholder="••••••••"
                 value={password}
@@ -74,9 +80,7 @@ function LoginPage() {
                 className="text-base"
               />
             </div>
-            {error && (
-              <p className="text-sm text-destructive">{error}</p>
-            )}
+            {error && <p className="text-sm text-destructive">{error}</p>}
             <Button
               type="submit"
               className="w-full"
diff --git a/apps/frontend/vite.config.ts b/apps/frontend/vite.config.ts
index a02efa5..00e9feb 100644
--- a/apps/frontend/vite.config.ts
+++ b/apps/frontend/vite.config.ts
@@ -1,8 +1,8 @@
-import path from "path";
+import path from "node:path";
 import tailwindcss from "@tailwindcss/vite";
+import { tanstackRouter } from "@tanstack/router-plugin/vite";
 import react from "@vitejs/plugin-react";
 import { defineConfig } from "vite";
-import { tanstackRouter } from "@tanstack/router-plugin/vite";
 
 export default defineConfig({
   plugins: [
diff --git a/biome.json b/biome.json
new file mode 100644
index 0000000..23f2179
--- /dev/null
+++ b/biome.json
@@ -0,0 +1,40 @@
+{
+  "$schema": "https://biomejs.dev/schemas/2.4.16/schema.json",
+  "vcs": {
+    "enabled": true,
+    "clientKind": "git",
+    "useIgnoreFile": true
+  },
+  "files": {
+    "ignoreUnknown": false
+  },
+  "css": {
+    "parser": {
+      "tailwindDirectives": true
+    }
+  },
+  "formatter": {
+    "enabled": true,
+    "indentStyle": "space",
+    "indentWidth": 2
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true
+    }
+  },
+  "javascript": {
+    "formatter": {
+      "quoteStyle": "double"
+    }
+  },
+  "assist": {
+    "enabled": true,
+    "actions": {
+      "source": {
+        "organizeImports": "on"
+      }
+    }
+  }
+}
diff --git a/bun.lockb b/bun.lockb
index 403cd8b..6429d2a 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/package.json b/package.json
index d86f473..869bd28 100644
--- a/package.json
+++ b/package.json
@@ -3,13 +3,18 @@
   "private": true,
   "scripts": {
     "dev": "conc -n backend,frontend -c blue,green \"bun run --cwd apps/backend dev\" \"bun run --cwd apps/frontend dev\"",
-    "build": "bun run --cwd apps/frontend build"
+    "build": "bun run --cwd apps/frontend build",
+    "lint": "biome check .",
+    "lint:fix": "biome check --write .",
+    "format": "biome format .",
+    "format:fix": "biome format --write ."
   },
   "workspaces": [
     "packages/*",
     "apps/*"
   ],
   "devDependencies": {
+    "@biomejs/biome": "^2.4.16",
     "concurrently": "^9.1.0"
   },
   "dependencies": {