feat(company): define prazo de reabertura por empresa

- Adiciona campo reopenWindowDays no cadastro de empresa (padrao 7 dias)
- Ticket usa automaticamente o prazo da empresa ao ser resolvido
- Remove selecao de prazo do modal de encerramento de ticket
- Valor e gravado no ticket no momento da resolucao

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

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

convex/schema.ts

@@ -82,6 +82,7 @@ export default defineSchema({
     contacts: v.optional(v.any()),
     locations: v.optional(v.any()),
     sla: v.optional(v.any()),
+    reopenWindowDays: v.optional(v.number()),
     tags: v.optional(v.array(v.string())),
     customFields: v.optional(v.any()),
     notes: v.optional(v.string()),

convex/tickets.ts

@@ -3175,7 +3175,18 @@ export async function resolveTicketHandler(
       throw new ConvexError("Chamado vinculado não encontrado")
     }
 
-    const reopenDays = resolveReopenWindowDays(reopenWindowDays)
+    // Buscar prazo de reabertura da empresa do ticket (se existir)
+    let companyReopenDays: number | null = null
+    if (ticketDoc.companyId) {
+      const company = await ctx.db.get(ticketDoc.companyId)
+      if (company && typeof company.reopenWindowDays === "number") {
+        companyReopenDays = company.reopenWindowDays
+      }
+    }
+
+    // Prioridade: 1) valor passado explicitamente, 2) valor da empresa, 3) padrão
+    const effectiveReopenDays = reopenWindowDays ?? companyReopenDays
+    const reopenDays = resolveReopenWindowDays(effectiveReopenDays)
     const reopenDeadline = computeReopenDeadline(now, reopenDays)
     const normalizedStatus = "RESOLVED"
     const relatedIdList = Array.from(