diff --git a/tools/loop-metrics/dist/metrics.js b/tools/loop-metrics/dist/metrics.js
index 3a3c4224..2b41b2b4 100644
--- a/tools/loop-metrics/dist/metrics.js
+++ b/tools/loop-metrics/dist/metrics.js
@@ -32,13 +32,13 @@ export function filterEntries(entries, pattern, days) {
         const cutoffDate = new Date();
         cutoffDate.setDate(cutoffDate.getDate() - days);
         filtered = filtered.filter(e => {
-            try {
-                const entryDate = new Date(e.run_id);
-                return entryDate >= cutoffDate;
-            }
-            catch {
+            const entryDate = new Date(e.run_id);
+            // An unparseable run_id (e.g. a numeric GitHub run id or a custom
+            // slug) yields Invalid Date; keep the entry rather than silently
+            // dropping it from the timeframe view.
+            if (Number.isNaN(entryDate.getTime()))
                 return true;
-            }
+            return entryDate >= cutoffDate;
         });
     }
     return filtered;
diff --git a/tools/loop-metrics/src/metrics.ts b/tools/loop-metrics/src/metrics.ts
index aea48321..14afcad5 100644
--- a/tools/loop-metrics/src/metrics.ts
+++ b/tools/loop-metrics/src/metrics.ts
@@ -60,12 +60,12 @@ export function filterEntries(entries: RunEntry[], pattern?: string, days?: numb
     cutoffDate.setDate(cutoffDate.getDate() - days);
     
     filtered = filtered.filter(e => {
-      try {
-        const entryDate = new Date(e.run_id);
-        return entryDate >= cutoffDate;
-      } catch {
-        return true;
-      }
+      const entryDate = new Date(e.run_id);
+      // An unparseable run_id (e.g. a numeric GitHub run id or a custom
+      // slug) yields Invalid Date; keep the entry rather than silently
+      // dropping it from the timeframe view.
+      if (Number.isNaN(entryDate.getTime())) return true;
+      return entryDate >= cutoffDate;
     });
   }
 
diff --git a/tools/loop-metrics/test/metrics.test.mjs b/tools/loop-metrics/test/metrics.test.mjs
index f47e554e..056d793b 100644
--- a/tools/loop-metrics/test/metrics.test.mjs
+++ b/tools/loop-metrics/test/metrics.test.mjs
@@ -18,3 +18,14 @@ test('loop-metrics filters and aggregates', () => {
   assert.strictEqual(metrics.totalEscalations, 1);
   assert.strictEqual(metrics.roiScore, (3 * 10) - (1 * 5)); // 25
 });
+
+test('filterEntries keeps entries with unparseable run_id when a timeframe is set', () => {
+  const entries = [
+    { run_id: '2026-07-30T08:50:34Z', pattern: 'daily-triage', duration_s: 5, items_found: 1, actions_taken: 2, escalations: 1, tokens_estimate: 52000, outcome: 'report-only' },
+    // Numeric GitHub run id is not a parseable date and must not be dropped.
+    { run_id: '29231015995', pattern: 'daily-triage', duration_s: 8, items_found: 1, actions_taken: 1, escalations: 0, tokens_estimate: 52000, outcome: 'report-only' },
+  ];
+
+  const filtered = filterEntries(entries, 'daily-triage', 30);
+  assert.strictEqual(filtered.length, 2, 'unparseable run_id entries are kept, not dropped');
+});