fix: last updated time

Author: raselmandol

docs/script.js

@@ -64,6 +64,8 @@ class TrainingDashboard {
                 this.statusBadge.textContent = dataLoaded ? 'Data Loaded' : 'No Data';
                 this.statusBadge.classList.toggle('error', !dataLoaded);
             }
+                // Update last update time after loading metrics
+                this.updateLastUpdateTime();
         } catch (err) {
             console.error('Init error:', err);
             this.failBadge('Data Load Error');
@@ -74,6 +76,31 @@ class TrainingDashboard {
             }, 3000);
         this.startAutoRefresh();
     }
+    async updateLastUpdateTime() {
+        // Try to get the last modified time of train_output.md (or test_output.md)
+        const lastUpdateElem = document.getElementById('lastUpdate');
+        if (!lastUpdateElem) return;
+        try {
+            // Use fetch HEAD to get last-modified header
+            const resp = await fetch('train_output.md', { method: 'HEAD', cache: 'no-store' });
+            let lastMod = resp.headers.get('last-modified');
+            if (!lastMod) {
+                // fallback: try test_output.md
+                const resp2 = await fetch('test_output.md', { method: 'HEAD', cache: 'no-store' });
+                lastMod = resp2.headers.get('last-modified');
+            }
+            if (lastMod) {
+                const date = new Date(lastMod);
+                // Format as YYYY-MM-DD HH:mm (local time)
+                const fmt = date.getFullYear() + '-' + String(date.getMonth()+1).padStart(2,'0') + '-' + String(date.getDate()).padStart(2,'0') + ' ' + String(date.getHours()).padStart(2,'0') + ':' + String(date.getMinutes()).padStart(2,'0');
+                lastUpdateElem.textContent = fmt;
+            } else {
+                lastUpdateElem.textContent = 'Unknown';
+            }
+        } catch (err) {
+            lastUpdateElem.textContent = 'Unknown';
+        }
+    }
 
     async fetchText(path) {
         const resp = await fetch(path, { cache: 'no-store' });