feat(#21): contas bancárias e patrimônio consolidado

CRUD de contas (corrente/poupança/investimento/cartão) com saldo calculado
automaticamente. account_id nullable em transactions. Widget patrimônio no
dashboard. Tela /contas. Seletor de conta nas transações manuais.

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

apps/web/src/App.vue

@@ -9,6 +9,7 @@
       <RouterLink to="/categorias">Categorias</RouterLink>
       <RouterLink to="/transacoes">Transações</RouterLink>
       <RouterLink to="/importar">Importar</RouterLink>
+      <RouterLink to="/contas">Contas</RouterLink>
       <RouterLink to="/configuracoes">Configurações</RouterLink>
     </nav>
   </header>

apps/web/src/router/index.ts

@@ -24,6 +24,11 @@ const router = createRouter({
       name: 'transactions',
       component: () => import('../views/TransactionsView.vue'),
     },
+    {
+      path: '/contas',
+      name: 'accounts',
+      component: () => import('../views/AccountsView.vue'),
+    },
     {
       path: '/configuracoes',
       name: 'settings',

apps/web/src/stores/accounts.ts

@@ -0,0 +1,57 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+import { api } from '@/services/api'
+
+export interface Account {
+  id: number
+  name: string
+  type: 'checking' | 'savings' | 'investment' | 'credit'
+  initial_balance: number
+  balance: number
+  created_at: string
+  updated_at: string
+}
+
+export interface AccountInput {
+  name: string
+  type: string
+  initial_balance: number
+}
+
+export const useAccountsStore = defineStore('accounts', () => {
+  const accounts = ref<Account[]>([])
+  const loading = ref(false)
+  const error = ref<string | null>(null)
+
+  async function fetchAll() {
+    loading.value = true
+    error.value = null
+    try {
+      accounts.value = await api.get<Account[]>('/accounts')
+    } catch (e: any) {
+      error.value = e.message
+    } finally {
+      loading.value = false
+    }
+  }
+
+  async function create(input: AccountInput) {
+    const item = await api.post<Account>('/accounts', input)
+    accounts.value.push(item)
+    return item
+  }
+
+  async function update(id: number, input: AccountInput) {
+    const item = await api.put<Account>(`/accounts/${id}`, input)
+    const idx = accounts.value.findIndex((a) => a.id === id)
+    if (idx !== -1) accounts.value[idx] = item
+    return item
+  }
+
+  async function remove(id: number) {
+    await api.delete(`/accounts/${id}`)
+    accounts.value = accounts.value.filter((a) => a.id !== id)
+  }
+
+  return { accounts, loading, error, fetchAll, create, update, remove }
+})

apps/web/src/stores/dashboard.ts

@@ -30,6 +30,7 @@ export interface DashboardData {
   total_income: number
   total_expenses: number
   savings_pct: number
+  total_patrimony: number
   by_category: CategoryTotal[]
   monthly_evolution: MonthEvolution[]
   recent_transactions: RecentTransaction[]

apps/web/src/stores/transactions.ts

@@ -10,6 +10,7 @@ export interface Transaction {
   type: 'income' | 'expense'
   source: 'manual' | 'import'
   category_id: number | null
+  account_id: number | null
   created_at: string
   updated_at: string
 }
@@ -20,6 +21,7 @@ export interface TransactionInput {
   description: string
   type: 'income' | 'expense'
   category_id: number | null
+  account_id: number | null
 }
 
 export const useTransactionsStore = defineStore('transactions', () => {

apps/web/src/views/AccountsView.vue

@@ -0,0 +1,156 @@
+<script setup lang="ts">
+import { ref, onMounted } from 'vue'
+import { useAccountsStore, type AccountInput } from '@/stores/accounts'
+
+const store = useAccountsStore()
+
+onMounted(() => store.fetchAll())
+
+const typeLabels: Record<string, string> = {
+  checking: 'Conta Corrente',
+  savings: 'Poupança',
+  investment: 'Investimento',
+  credit: 'Cartão de Crédito',
+}
+
+const blank = (): AccountInput => ({ name: '', type: 'checking', initial_balance: 0 })
+const form = ref(blank())
+const editId = ref<number | null>(null)
+const initialRaw = ref('')
+const formError = ref<string | null>(null)
+
+function parseAmount(s: string) {
+  return parseFloat(s.replace(/\./g, '').replace(',', '.')) || 0
+}
+
+function startEdit(id: number) {
+  const a = store.accounts.find((x) => x.id === id)
+  if (!a) return
+  editId.value = id
+  form.value = { name: a.name, type: a.type, initial_balance: a.initial_balance }
+  initialRaw.value = a.initial_balance.toLocaleString('pt-BR', { minimumFractionDigits: 2 })
+  formError.value = null
+}
+
+function cancelEdit() {
+  editId.value = null
+  form.value = blank()
+  initialRaw.value = ''
+  formError.value = null
+}
+
+async function submit() {
+  formError.value = null
+  form.value.initial_balance = parseAmount(initialRaw.value)
+  try {
+    if (editId.value !== null) {
+      await store.update(editId.value, form.value)
+      cancelEdit()
+    } else {
+      await store.create(form.value)
+      form.value = blank()
+      initialRaw.value = ''
+    }
+  } catch (e: any) {
+    formError.value = e.message
+  }
+}
+
+async function remove(id: number, name: string) {
+  if (!confirm(`Excluir conta "${name}"?`)) return
+  await store.remove(id)
+}
+
+function fmt(v: number) {
+  return v.toLocaleString('pt-BR', { style: 'currency', currency: 'BRL' })
+}
+</script>
+
+<template>
+  <div class="page">
+    <h1>Contas Bancárias</h1>
+
+    <form class="form-card" @submit.prevent="submit">
+      <h2>{{ editId !== null ? 'Editar conta' : 'Nova conta' }}</h2>
+      <div class="form-row">
+        <input v-model="form.name" placeholder="Ex: Nubank Corrente" required class="input-name" />
+        <select v-model="form.type" class="input-sm">
+          <option value="checking">Conta Corrente</option>
+          <option value="savings">Poupança</option>
+          <option value="investment">Investimento</option>
+          <option value="credit">Cartão de Crédito</option>
+        </select>
+        <input v-model="initialRaw" placeholder="Saldo inicial (ex: 1.500,00)" class="input-sm input-amount" />
+      </div>
+      <p v-if="formError" class="form-error">{{ formError }}</p>
+      <div class="form-actions">
+        <button type="submit" class="btn btn-primary">{{ editId !== null ? 'Salvar' : 'Adicionar' }}</button>
+        <button v-if="editId !== null" type="button" class="btn btn-ghost" @click="cancelEdit">Cancelar</button>
+      </div>
+    </form>
+
+    <p v-if="store.loading">Carregando…</p>
+
+    <div v-else>
+      <div class="total-bar" v-if="store.accounts.length > 0">
+        <span>Patrimônio total</span>
+        <strong>{{ fmt(store.accounts.reduce((s, a) => s + a.balance, 0)) }}</strong>
+      </div>
+
+      <ul class="account-list">
+        <li
+          v-for="a in store.accounts"
+          :key="a.id"
+          class="account-item"
+          :class="{ editing: editId === a.id }"
+        >
+          <div class="account-info">
+            <strong>{{ a.name }}</strong>
+            <span class="account-meta">{{ typeLabels[a.type] }} · Saldo inicial {{ fmt(a.initial_balance) }}</span>
+          </div>
+          <div class="account-right">
+            <span class="account-balance" :class="a.balance >= 0 ? 'positive' : 'negative'">
+              {{ fmt(a.balance) }}
+            </span>
+            <div class="item-actions">
+              <button class="btn btn-sm" @click="startEdit(a.id)">Editar</button>
+              <button class="btn btn-sm btn-danger" @click="remove(a.id, a.name)">Excluir</button>
+            </div>
+          </div>
+        </li>
+        <li v-if="store.accounts.length === 0" class="empty">Nenhuma conta cadastrada</li>
+      </ul>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.page { max-width: 640px; margin: 0 auto; padding: 1.5rem 1rem; font-family: sans-serif; }
+h1 { font-size: 1.5rem; margin-bottom: 1.25rem; }
+h2 { font-size: 0.95rem; font-weight: 600; margin: 0 0 0.75rem; }
+.form-card { background: #f9fafb; border: 1px solid #e5e7eb; border-radius: 8px; padding: 1rem; margin-bottom: 1.5rem; }
+.form-row { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
+.input-name { flex: 1; min-width: 160px; padding: 0.45rem 0.6rem; border: 1px solid #d1d5db; border-radius: 6px; font-size: 0.875rem; }
+.input-sm { padding: 0.45rem 0.6rem; border: 1px solid #d1d5db; border-radius: 6px; font-size: 0.875rem; }
+.input-amount { width: 140px; }
+.form-error { color: #dc2626; font-size: 0.875rem; margin: 0.5rem 0 0; }
+.form-actions { margin-top: 0.75rem; display: flex; gap: 0.5rem; }
+.btn { padding: 0.4rem 1rem; border: 1px solid #d1d5db; border-radius: 6px; cursor: pointer; font-size: 0.875rem; background: #fff; }
+.btn-primary { background: #4f46e5; color: #fff; border-color: #4f46e5; }
+.btn-ghost { background: transparent; }
+.btn-sm { padding: 0.25rem 0.6rem; }
+.btn-danger { color: #dc2626; border-color: #fca5a5; }
+.total-bar { display: flex; justify-content: space-between; align-items: center; background: #1e293b; color: #f8fafc; border-radius: 8px; padding: 0.75rem 1rem; margin-bottom: 0.75rem; font-size: 0.9rem; }
+.total-bar strong { font-size: 1.1rem; }
+.account-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.5rem; }
+.account-item { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 1rem; border: 1px solid #e5e7eb; border-radius: 8px; background: #fff; flex-wrap: wrap; gap: 0.5rem; }
+.account-item.editing { border-color: #4f46e5; box-shadow: 0 0 0 2px #e0e7ff; }
+.account-info { display: flex; flex-direction: column; gap: 0.2rem; }
+.account-meta { font-size: 0.8rem; color: #6b7280; }
+.account-right { display: flex; align-items: center; gap: 1rem; }
+.account-balance { font-size: 1.1rem; font-weight: 700; }
+.positive { color: #059669; }
+.negative { color: #dc2626; }
+.item-actions { display: flex; gap: 0.4rem; }
+.empty { color: #9ca3af; text-align: center; padding: 2rem; }
+</style>

apps/web/src/views/HomeView.vue

@@ -76,6 +76,13 @@ const maxEvolution = computed(() => {
           <div class="savings-pct">{{ store.data.savings_pct.toFixed(1) }}%</div>
           <div class="savings-target">Meta: 40%</div>
         </div>
+        <div class="card patrimony-card" v-if="store.data.total_patrimony > 0 || store.data.total_patrimony < 0">
+          <div class="card-label">Patrimônio</div>
+          <div class="card-value" :class="store.data.total_patrimony >= 0 ? 'income' : 'expense'">
+            {{ fmt(store.data.total_patrimony) }}
+          </div>
+          <div class="savings-target">todas as contas</div>
+        </div>
       </div>
 
       <!-- Bottom section: two columns on wide, stacked on mobile -->
@@ -171,7 +178,7 @@ h2 { font-size: 0.95rem; font-weight: 600; margin: 0 0 0.75rem; color: #374151;
 }
 
 /* Summary */
-.summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.75rem; margin-bottom: 1rem; }
+.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.75rem; margin-bottom: 1rem; }
 @media (max-width: 600px) { .summary-grid { grid-template-columns: 1fr 1fr; } }
 
 .card { background: #fff; border: 1px solid #e5e7eb; border-radius: 10px; padding: 1rem; }

apps/web/src/views/TransactionsView.vue

@@ -2,15 +2,18 @@
 import { ref, computed, onMounted } from 'vue'
 import { useTransactionsStore, type TransactionInput } from '@/stores/transactions'
 import { useCategoriesStore } from '@/stores/categories'
+import { useAccountsStore } from '@/stores/accounts'
 
 const store = useTransactionsStore()
 const catStore = useCategoriesStore()
+const accStore = useAccountsStore()
 
 const currentMonth = ref(new Date().toISOString().slice(0, 7))
 
 onMounted(() => {
   store.fetchAll(currentMonth.value)
   catStore.fetchAll()
+  accStore.fetchAll()
 })
 
 function changeMonth(delta: number) {
@@ -26,6 +29,7 @@ const blank = (): TransactionInput => ({
   description: '',
   type: 'expense',
   category_id: null,
+  account_id: null,
 })
 
 const form = ref(blank())
@@ -41,7 +45,7 @@ function startEdit(id: number) {
   const t = store.transactions.find((x) => x.id === id)
   if (!t || t.source !== 'manual') return
   editId.value = id
-  form.value = { date: t.date, amount: t.amount, description: t.description, type: t.type as any, category_id: t.category_id }
+  form.value = { date: t.date, amount: t.amount, description: t.description, type: t.type as any, category_id: t.category_id, account_id: t.account_id }
   amountRaw.value = t.amount.toLocaleString('pt-BR', { minimumFractionDigits: 2 })
   formError.value = null
 }
@@ -118,6 +122,10 @@ function catName(id: number | null) {
           <option :value="null">Sem categoria</option>
           <option v-for="c in catStore.categories" :key="c.id" :value="c.id">{{ c.name }}</option>
         </select>
+        <select v-model="form.account_id" class="input-sm">
+          <option :value="null">Sem conta</option>
+          <option v-for="a in accStore.accounts" :key="a.id" :value="a.id">{{ a.name }}</option>
+        </select>
         <input v-model="form.description" placeholder="Descrição" required class="input-desc" />
       </div>
       <p v-if="formError" class="form-error">{{ formError }}</p>