chore: import upstream snapshot with attribution

apps/sim/tools/brex/get_cash_account.ts

@@ -0,0 +1,76 @@
+import type { BrexGetCashAccountParams, BrexGetCashAccountResponse } from '@/tools/brex/types'
+import { BREX_MONEY_PROPERTIES } from '@/tools/brex/types'
+import { BREX_API_BASE, buildBrexHeaders, parseBrexJson } from '@/tools/brex/utils'
+import type { ToolConfig } from '@/tools/types'
+
+export const brexGetCashAccountTool: ToolConfig<
+  BrexGetCashAccountParams,
+  BrexGetCashAccountResponse
+> = {
+  id: 'brex_get_cash_account',
+  name: 'Brex Get Cash Account',
+  description: 'Get a Brex cash account by ID, or the primary cash account when no ID is provided',
+  version: '1.0.0',
+
+  params: {
+    apiKey: {
+      type: 'string',
+      required: true,
+      visibility: 'user-only',
+      description: 'Brex user token (generated from Developer Settings in the Brex dashboard)',
+    },
+    accountId: {
+      type: 'string',
+      required: false,
+      visibility: 'user-or-llm',
+      description: 'ID of the cash account (defaults to the primary cash account)',
+    },
+  },
+
+  request: {
+    url: (params) => {
+      const accountId = params.accountId?.trim()
+      return accountId
+        ? `${BREX_API_BASE}/v2/accounts/cash/${encodeURIComponent(accountId)}`
+        : `${BREX_API_BASE}/v2/accounts/cash/primary`
+    },
+    method: 'GET',
+    headers: (params) => buildBrexHeaders(params.apiKey),
+  },
+
+  transformResponse: async (response) => {
+    const data = await parseBrexJson(response)
+    return {
+      success: true,
+      output: {
+        id: data.id ?? '',
+        name: data.name ?? '',
+        status: data.status ?? null,
+        currentBalance: data.current_balance,
+        availableBalance: data.available_balance,
+        accountNumber: data.account_number ?? '',
+        routingNumber: data.routing_number ?? '',
+        primary: data.primary ?? false,
+      },
+    }
+  },
+
+  outputs: {
+    id: { type: 'string', description: 'Unique account ID' },
+    name: { type: 'string', description: 'Account name' },
+    status: { type: 'string', description: 'Account status', optional: true },
+    currentBalance: {
+      type: 'json',
+      description: 'Current balance',
+      properties: BREX_MONEY_PROPERTIES,
+    },
+    availableBalance: {
+      type: 'json',
+      description: 'Available balance',
+      properties: BREX_MONEY_PROPERTIES,
+    },
+    accountNumber: { type: 'string', description: 'Bank account number' },
+    routingNumber: { type: 'string', description: 'Bank routing number' },
+    primary: { type: 'boolean', description: 'Whether this is the primary cash account' },
+  },
+}