fix: Correctly calculate time since turtle was last seen in dashboard display

2026-02-19 23:33:56 -05:00
parent 6b48ddc8b3
commit 31b2c8f61a
1 changed files with 5 additions and 1 deletions
--- a/webbridge.lua
+++ b/webbridge.lua
@@ -126,7 +126,11 @@ local function drawDashboard()
            if y >= h - 5 then break end -- Leave room for activity log
            
            local statusColor = getStatusColor(turtle)
-            local timeSince = math.floor((os.epoch("utc") - (turtle.lastSeen or 0)) / 1000)
+            local timeSince = 0
+            if turtle.lastSeen then
+                local currentTime = os.epoch("utc") or 0
+                timeSince = math.floor((currentTime - turtle.lastSeen) / 1000)
+            end
            
            monitor.setCursorPos(2, y)
            monitor.setTextColor(statusColor)