feat(reports): adiciona opcao Todas as empresas no relatorio por empresa

- Frontend: usa usePersistentCompanyFilter para persistir selecao
- Frontend: adiciona opcao "Todas as empresas" como primeira opcao
- Backend: torna companyId opcional na query companyOverview
- Backend: usa resolveScopedCompanyId para scoping de gestores

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/components/reports/company-report.tsx

@@ -1,12 +1,13 @@
 "use client"
 
-import { useEffect, useMemo, useState } from "react"
+import { useMemo, useState } from "react"
 import Link from "next/link"
 import { useQuery } from "convex/react"
 import { api } from "@/convex/_generated/api"
 import type { Id } from "@/convex/_generated/dataModel"
 import { DEFAULT_TENANT_ID } from "@/lib/constants"
 import { useAuth } from "@/lib/auth-client"
+import { usePersistentCompanyFilter } from "@/lib/use-company-filter"
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card"
 import { Skeleton } from "@/components/ui/skeleton"
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select"
@@ -59,7 +60,7 @@ const MACHINE_STATUS_CONFIG = {
 export function CompanyReport() {
   const { session, convexUserId, isStaff } = useAuth()
   const tenantId = session?.user.tenantId ?? DEFAULT_TENANT_ID
-  const [selectedCompany, setSelectedCompany] = useState<string>("")
+  const [selectedCompany, setSelectedCompany] = usePersistentCompanyFilter("all")
   const [timeRange, setTimeRange] = useState<"7d" | "30d" | "90d">("30d")
 
   const companies = useQuery(
@@ -67,28 +68,28 @@ export function CompanyReport() {
     isStaff && convexUserId ? { tenantId, viewerId: convexUserId as Id<"users"> } : "skip"
   ) as CompanyRecord[] | undefined
 
-  const companyOptions = useMemo<SearchableComboboxOption[]>(
-    () =>
-      (companies ?? []).map((company) => ({
+  const companyOptions = useMemo<SearchableComboboxOption[]>(() => {
+    const base: SearchableComboboxOption[] = [{ value: "all", label: "Todas as empresas" }]
+    if (!companies || companies.length === 0) {
+      return base
+    }
+    const sorted = [...companies].sort((a, b) => a.name.localeCompare(b.name, "pt-BR"))
+    return [
+      base[0],
+      ...sorted.map((company) => ({
         value: company.id as string,
         label: company.name,
       })),
-    [companies]
-  )
-
-  useEffect(() => {
-    if (!selectedCompany && companyOptions.length > 0) {
-      setSelectedCompany(companyOptions[0]?.value ?? "")
-    }
-  }, [companyOptions, selectedCompany])
+    ]
+  }, [companies])
 
   const report = useQuery(
     api.reports.companyOverview,
-    selectedCompany && convexUserId && isStaff
+    convexUserId && isStaff
       ? {
           tenantId,
           viewerId: convexUserId as Id<"users">,
-          companyId: selectedCompany as Id<"companies">,
+          companyId: selectedCompany === "all" ? undefined : (selectedCompany as Id<"companies">),
           range: timeRange,
         }
       : "skip"