feat: adiciona informacoes de reinicio e melhora SLA global

- Agente Rust: captura LastBootTime, uptime e contagem de boots
- Backend: extrai campos do extended (bootInfo, discos, RAM, etc) antes de salvar
- Frontend /devices: exibe secao de ultimo reinicio
- SLA global: adiciona campos de modo, threshold de alerta e status de pausa
- Corrige acento em "destinatario" -> "destinatario" em automations

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

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

convex/schema.ts

@@ -200,7 +200,11 @@ export default defineSchema({
     name: v.string(),
     description: v.optional(v.string()),
     timeToFirstResponse: v.optional(v.number()), // minutes
+    responseMode: v.optional(v.string()), // "business" | "calendar"
     timeToResolution: v.optional(v.number()), // minutes
+    solutionMode: v.optional(v.string()), // "business" | "calendar"
+    alertThreshold: v.optional(v.number()), // 0.1 a 0.95
+    pauseStatuses: v.optional(v.array(v.string())), // Status que pausam SLA
   }).index("by_tenant_name", ["tenantId", "name"]),
 
   tickets: defineTable({