fix for message time

src/MessageStore.h

@@ -24,6 +24,17 @@ struct StoredMessage {
 
     // Explicit classification (derived from dest when loading old messages)
     MessageType type;
+
+    // Marks whether the timestamp was stored relative to boot time
+    // (true = millis()/1000 fallback, false = epoch/RTC absolute)
+    bool isBootRelative;
+
+    // Default constructor to initialize all fields safely
+    StoredMessage()
+        : timestamp(0), sender(0), channelIndex(0), text(""), dest(0xffffffff), type(MessageType::BROADCAST),
+          isBootRelative(false)
+    {
+    }
 };
 
 class MessageStore
@@ -61,6 +72,9 @@ class MessageStore
     std::deque<StoredMessage> getDirectMessages() const;
     std::deque<StoredMessage> getConversationWith(uint32_t peer) const;
 
+    // Upgrade boot-relative timestamps once RTC is valid
+    void upgradeBootRelativeTimestamps();
+
   private:
     // RAM buffer (always current, main source for UI)
     std::deque<StoredMessage> liveMessages;