Enhance DALI device type discovery and query handling

- Introduce DaliDeviceTypeDiscovery struct for managing device type queries.
- Implement discoverDeviceTypes method in DaliBase for improved device type detection.
- Update DaliComm to handle query responses more robustly, including handling multiple device replies.
- Add setDetectedDeviceTypes method in DaliDevice to manage detected device types and capabilities.

include/dali_comm.hpp

@@ -11,6 +11,7 @@
 //  - Send:   [0x10, addr, cmd]
 //  - Ext:    [0x11, addr, cmd] (sent twice with a small delay)
 //  - Query:  [0x12, addr, cmd] -> expects [0xFF, data] on success
+//              COMPARE may also return [0xFD, data] when multiple devices reply together
 // Callers provide UART callbacks; this class only builds frames and parses basic responses.
 class DaliComm {
  public:
@@ -50,7 +51,8 @@ class DaliComm {
   bool sendCmd(uint8_t addr, uint8_t cmd) const;
   // Send extended command frame (0x11).
   bool sendExtCmd(uint8_t addr, uint8_t cmd) const;
-  // Send query frame (0x12) and parse single-byte response. Returns nullopt on no/invalid response.
+  // Send query frame (0x12) and parse single-byte response. Returns nullopt on no/invalid response,
+  // except COMPARE where 0xFD collisions are treated as a positive match.
   std::optional<uint8_t> queryCmd(uint8_t addr, uint8_t cmd) const;
 
   // Helpers to mirror Dart address conversion (DEC short address -> DALI odd/even encoded).
@@ -63,6 +65,7 @@ class DaliComm {
   TransactCallback transact_;
   DelayCallback delay_;
 
+  void prepareForQuery() const;
   bool writeFrame(const std::vector<uint8_t>& frame) const;
   void sleepMs(uint32_t ms) const;
 };