Feat v0.5.0 realtime dialog (#30)

Co-authored-by: Jeffrey Smith <jasafpro@gmail.com>
Co-committed-by: Jeffrey Smith <jasafpro@gmail.com>

server/events/ws.go

@@ -316,6 +316,26 @@ func (c *Conn) readPump() {
 			continue
 		}
 
+		// v0.5.0: Room management — intercept before bus publish (like ping)
+		if event.Label == "room.subscribe" {
+			var req struct {
+				Room string `json:"room"`
+			}
+			if json.Unmarshal(event.Payload, &req) == nil && req.Room != "" && len(c.rooms) < 100 {
+				c.JoinRoom(req.Room)
+			}
+			continue
+		}
+		if event.Label == "room.unsubscribe" {
+			var req struct {
+				Room string `json:"room"`
+			}
+			if json.Unmarshal(event.Payload, &req) == nil && req.Room != "" {
+				c.LeaveRoom(req.Room)
+			}
+			continue
+		}
+
 		// Validate: only accept events allowed from clients
 		if !ShouldAcceptFromClient(event.Label) {
 			continue