feat(gateway): enhance UART configuration validation for Modbus and KNX

Signed-off-by: Tony <tonylu@tony-cloud.com>

components/gateway_bridge/include/gateway_bridge.hpp

@@ -3,6 +3,7 @@
 #include <cstdint>
 #include <memory>
 #include <optional>
+#include <set>
 #include <string>
 #include <vector>
 
@@ -31,6 +32,7 @@ struct GatewayBridgeServiceConfig {
   UBaseType_t modbus_task_priority{4};
   std::optional<GatewayModbusConfig> default_modbus_config;
   bool allow_modbus_uart0{false};
+  bool allow_knx_uart0{false};
   std::vector<int> reserved_uart_ports;
   uint32_t bacnet_task_stack_size{8192};
   UBaseType_t bacnet_task_priority{5};
@@ -63,6 +65,10 @@ class GatewayBridgeService {
 
   ChannelRuntime* findRuntime(uint8_t gateway_id);
   const ChannelRuntime* findRuntime(uint8_t gateway_id) const;
+  void collectUsedRuntimeResources(uint8_t except_gateway_id,
+                                   std::set<uint16_t>* modbus_tcp_ports,
+                                   std::set<uint16_t>* knx_udp_ports,
+                                   std::set<int>* serial_uarts) const;
 
   DaliDomainService& dali_domain_;
   GatewayCache& cache_;