Index: lib/Comms/include/CloudConnectFrame.h
===================================================================
diff -u -rcaca75be9a284ac5f98c078ec47c2e826ac5e980 -rc6a4b63a37f3beb1e8a51702ec3a56a1c32cfe8f
--- lib/Comms/include/CloudConnectFrame.h	(.../CloudConnectFrame.h)	(revision caca75be9a284ac5f98c078ec47c2e826ac5e980)
+++ lib/Comms/include/CloudConnectFrame.h	(.../CloudConnectFrame.h)	(revision c6a4b63a37f3beb1e8a51702ec3a56a1c32cfe8f)
@@ -17,14 +17,14 @@
 /*!
  * \brief   CloudConnect to Connectivity Agent message framing
  * \details Transport-agnostic binary framing. build() makes a wire-ready frame;
- *          feed() parses inbound bytes (see FeedResult). On Complete, read
- *          msgId()/sequence()/payload(), then reset().
+ *          read() parses inbound bytes (see ReadState). On Complete, read
+ *          type()/sequence()/payload(), then reset().
  *
  *          Frame layout — header only (payload_length == 0):
  *
  *          Byte:  0    1    2    3    4    5    6-9         10   11
  *                 ┌─────────┬────────┬────────┬───────────┬────────┐
- *                 │ AA  55  │ msg_id │ seq_num│ pay_length│hdr_crc │
+ *                 │ AA  55  │  type  │ seq_num│ pay_length│hdr_crc │
  *                 │  sync   │uint16BE│uint16BE│ uint32 BE │uint16BE│
  *                 └─────────┴────────┴────────┴───────────┴────────┘
  *
@@ -44,51 +44,56 @@
      * \brief   MQTT topic identifier carried in every frame header
      * \details The Connectivity Agent uses this value to determine the MQTT topic.
      */
-    enum class MsgId : quint16 {
-        ClinicalData = 0x0001,
-        Diagnostic = 0x0002,
-        Ack = 0x0003,
-        Alarms = 0x0004,
-        Audit = 0x0005,
-        DeviceLogFile = 0x0006,
-        TreatmentLogFile = 0x0007,
-        CloudSyncLogFile = 0x0008,
+    enum class Type : quint16 {
+        HighPriority        = 0x0001,
+        NormalPriority      = 0x0002,
+        DeviceLogFile       = 0x0003,
+        TreatmentLogFile    = 0x0004,
+        CloudSyncLogFile    = 0x0005,
+        // ClinicalData = 0x0001,
+        // Diagnostic = 0x0002,
+        // Ack = 0x0003,
+        // Alarms = 0x0004,
+        // Audit = 0x0005,
+        // DeviceLogFile = 0x0006,
+        // TreatmentLogFile = 0x0007,
+        // CloudSyncLogFile = 0x0008,
     };
 
     /*!
      * \brief   Result returned by feed() after processing each byte chunk
      */
-    enum class FeedResult {
+    enum class ReadState {
         Incomplete,   ///< More bytes needed — continue feeding.
         Complete,     ///< Full valid frame assembled — read accessors, then call reset().
         HeaderError,  ///< Header CRC mismatch — frame dropped, state reset automatically.
         PayloadError, ///< Payload CRC mismatch or oversized payload — frame dropped, state reset automatically.
     };
 
-    static QByteArray build(MsgId msgId, quint16 sequence, const QByteArray &payload = {});
-    FeedResult feed(QByteArray &bytes);
+    static QByteArray build(Type type, quint16 sequence, const QByteArray &payload = {});
+    ReadState read(QByteArray &bytes);
 
-    MsgId msgId() const;
+    Type type() const;
     quint16 sequence() const;
     QByteArray payload() const;
 
     void reset();
 
 private:
-    static quint16 crc16ccitt(const quint8 *data, int len);
-    static quint32 crc32isohdlc(const quint8 *data, int len);
-
     static constexpr int SYNC_SIZE = 2;
     static constexpr quint8 SYNC[SYNC_SIZE] = {0xAA, 0x55};
     static constexpr int HEADER_SIZE = 12;
-    static constexpr int MSGID_SIZE = 2;
+    static constexpr int TYPE_SIZE = 2;
     static constexpr int SEQUENCE_SIZE = 2;
     static constexpr int HEADER_CRC_SIZE = 2;
     static constexpr int PAYLOAD_CRC_SIZE = 4;
     static constexpr quint32 MAX_PAYLOAD_LEN = 64 * 1024;
 
+    static quint16 crc16ccitt(const quint8 *data, int len);
+    static quint32 crc32isohdlc(const quint8 *data, int len);
+
     QByteArray _headerBuf;
-    MsgId _rxMsgId = MsgId::ClinicalData;
+    Type _rxType = Type::NormalPriority;
     quint16 _rxSequence = 0;
     quint32 _rxPayloadLen = 0;
     QByteArray _rxPayload;