feat: implement audio/video call functionality in chat

- Added a new schema for managing audio/video calls, including fields for call type, room name, and participant management.
- Enhanced ChatWindow component to support initiating audio and video calls with dynamic loading of the CallWindow component.
- Updated package dependencies to include 'lib-jitsi-meet' for call handling.
- Refactored existing code to accommodate new call features and improve user experience.

packages/backend/convex/schema.ts

@@ -827,6 +827,44 @@ export default defineSchema({
     .index("by_conversa_usuario", ["conversaId", "usuarioId"])
     .index("by_usuario", ["usuarioId"]),
 
+  // Sistema de Chamadas de Áudio/Vídeo
+  chamadas: defineTable({
+    conversaId: v.id("conversas"),
+    tipo: v.union(v.literal("audio"), v.literal("video")),
+    roomName: v.string(), // Nome único da sala Jitsi
+    criadoPor: v.id("usuarios"), // Anfitrião/criador
+    participantes: v.array(v.id("usuarios")),
+    status: v.union(
+      v.literal("aguardando"),
+      v.literal("em_andamento"),
+      v.literal("finalizada"),
+      v.literal("cancelada")
+    ),
+    iniciadaEm: v.optional(v.number()),
+    finalizadaEm: v.optional(v.number()),
+    duracaoSegundos: v.optional(v.number()),
+    gravando: v.boolean(),
+    gravacaoIniciadaPor: v.optional(v.id("usuarios")),
+    gravacaoIniciadaEm: v.optional(v.number()),
+    gravacaoFinalizadaEm: v.optional(v.number()),
+    configuracoes: v.optional(v.object({
+      audioHabilitado: v.boolean(),
+      videoHabilitado: v.boolean(),
+      participantesConfig: v.optional(v.array(v.object({
+        usuarioId: v.id("usuarios"),
+        audioHabilitado: v.boolean(),
+        videoHabilitado: v.boolean(),
+        forcadoPeloAnfitriao: v.optional(v.boolean()), // Se foi forçado pelo anfitrião
+      })))
+    })),
+    criadoEm: v.number(),
+  })
+    .index("by_conversa", ["conversaId", "status"])
+    .index("by_conversa_ativa", ["conversaId", "status"])
+    .index("by_criado_por", ["criadoPor"])
+    .index("by_status", ["status"])
+    .index("by_room_name", ["roomName"]),
+
   notificacoes: defineTable({
     usuarioId: v.id("usuarios"),
     tipo: v.union(