feat: initial commit - finanzas app

Complete personal finance management application with:
- Dashboard with financial metrics and alerts
- Credit card management and payments
- Fixed and variable debt tracking
- Monthly budget planning
- Intelligent alert system
- Responsive design with Tailwind CSS

Tech stack: Next.js 14, TypeScript, Zustand, Recharts

🤖 Generated with [Claude Code](https://claude.com/claude-code)

components/alerts/useAlerts.ts

@@ -0,0 +1,68 @@
+'use client'
+
+import { useMemo, useCallback } from 'react'
+import { useFinanzasStore } from '@/lib/store'
+import { generateAlerts, GenerateAlertsParams } from '@/lib/alerts'
+
+export function useAlerts() {
+  const alerts = useFinanzasStore((state) => state.alerts)
+  const addAlert = useFinanzasStore((state) => state.addAlert)
+  const clearAllAlerts = useFinanzasStore((state) => state.clearAllAlerts)
+
+  const fixedDebts = useFinanzasStore((state) => state.fixedDebts)
+  const variableDebts = useFinanzasStore((state) => state.variableDebts)
+  const creditCards = useFinanzasStore((state) => state.creditCards)
+  const monthlyBudgets = useFinanzasStore((state) => state.monthlyBudgets)
+  const currentMonth = useFinanzasStore((state) => state.currentMonth)
+  const currentYear = useFinanzasStore((state) => state.currentYear)
+
+  const unreadAlerts = useMemo(
+    () => alerts.filter((alert) => !alert.isRead),
+    [alerts]
+  )
+
+  const unreadCount = unreadAlerts.length
+
+  const regenerateAlerts = useCallback(() => {
+    const params: GenerateAlertsParams = {
+      fixedDebts,
+      variableDebts,
+      creditCards,
+      monthlyBudgets,
+      currentMonth,
+      currentYear,
+    }
+
+    const newAlerts = generateAlerts(params)
+
+    // Clear existing alerts and add new ones
+    clearAllAlerts()
+
+    newAlerts.forEach((alertDraft) => {
+      addAlert({ ...alertDraft, isRead: false })
+    })
+
+    return newAlerts.length
+  }, [
+    fixedDebts,
+    variableDebts,
+    creditCards,
+    monthlyBudgets,
+    currentMonth,
+    currentYear,
+    clearAllAlerts,
+    addAlert,
+  ])
+
+  const dismissAll = useCallback(() => {
+    clearAllAlerts()
+  }, [clearAllAlerts])
+
+  return {
+    alerts,
+    unreadCount,
+    unreadAlerts,
+    regenerateAlerts,
+    dismissAll,
+  }
+}