Log tidy (#10798)

* clarify channel number formatting and fix the fixed-width padded nodeIDs

* use the explicit 0x%08x for packets and nodeIDs throughout

* LLM instructions

src/modules/SerialModule.cpp

@@ -377,7 +377,7 @@ ProcessMessage SerialModuleRadio::handleReceived(const meshtastic_MeshPacket &mp
         }
 
         auto &p = mp.decoded;
-        // LOG_DEBUG("Received text msg self=0x%0x, from=0x%0x, to=0x%0x, id=%d, msg=%.*s",
+        // LOG_DEBUG("Received text msg self=0x%08x, from=0x%08x, to=0x%08x, id=%d, msg=%.*s",
         //          nodeDB->getNodeNum(), mp.from, mp.to, mp.id, p.payload.size, p.payload.bytes);
 
         if (isFromUs(&mp)) {