Update duckdb. use more duckdb. Fix the display of stats

app/javascript/controllers/timeline_controller.js

@@ -37,20 +37,49 @@ export default class extends Controller {
 
     // Convert ISO time to local time
     const date = new Date(timeIso)
-    const localTime = date.toLocaleTimeString(undefined, {
-      hour: '2-digit',
-      minute: '2-digit',
-      hour12: false
-    })
 
-    timeElement.textContent = localTime
+    // Determine if we should show date based on time range
+    const now = new Date()
+    const timeDiff = now - date
+    const hoursDiff = timeDiff / (1000 * 60 * 60)
+
+    let displayTime
+    if (hoursDiff > 25) {
+      // For periods longer than 25 hours, show date only (no time)
+      displayTime = date.toLocaleDateString(undefined, {
+        month: 'short',
+        day: 'numeric'
+      })
+    } else {
+      // Check if this is midnight UTC data (daily timeline) vs actual time data (hourly timeline)
+      // Daily timeline: time is at UTC midnight (hours/minutes/seconds = 0)
+      // Hourly timeline: time has actual hours/minutes
+      const utcHours = date.getUTCHours()
+      const utcMinutes = date.getUTCMinutes()
+      const utcSeconds = date.getUTCSeconds()
+
+      if (utcHours === 0 && utcMinutes === 0 && utcSeconds === 0) {
+        // This is midnight UTC - treat as daily data, show date only
+        displayTime = date.toLocaleDateString(undefined, {
+          month: 'short',
+          day: 'numeric'
+        })
+      } else {
+        // This is actual time data - show time only
+        displayTime = date.toLocaleTimeString(undefined, {
+          hour: '2-digit',
+          minute: '2-digit',
+          hour12: false
+        })
+      }
+    }
+
+    timeElement.textContent = displayTime
     timeElement.title = date.toLocaleString(undefined, {
       weekday: 'short',
       year: 'numeric',
       month: 'short',
       day: 'numeric',
-      hour: '2-digit',
-      minute: '2-digit',
       timeZoneName: 'short'
     })