From 09e3a7b4d1aa2b034667eaec02fef24d444007fa Mon Sep 17 00:00:00 2001
From: you <you@example.com>
Date: Sat, 21 Mar 2026 07:00:29 +0000
Subject: [PATCH] Fix region filter resetting analytics tab to overview

Track current active tab in _currentTab variable so that
loadAnalytics() re-renders the current tab instead of always
resetting to 'overview' when region filter changes.
---
 public/analytics.js | 7 +++++--
 public/index.html   | 2 +-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/public/analytics.js b/public/analytics.js
index 6349f7f..554e990 100644
--- a/public/analytics.js
+++ b/public/analytics.js
@@ -90,7 +90,8 @@
       if (!btn) return;
       document.querySelectorAll('.tab-btn').forEach(b => b.classList.remove('active'));
       btn.classList.add('active');
-      renderTab(btn.dataset.tab);
+      _currentTab = btn.dataset.tab;
+      renderTab(_currentTab);
     });
 
     RegionFilter.init(document.getElementById('analyticsRegionFilter'));
@@ -113,6 +114,8 @@
     loadAnalytics();
   }
 
+  let _currentTab = 'overview';
+
   async function loadAnalytics() {
     try {
       _analyticsData = {};
@@ -125,7 +128,7 @@
         api('/analytics/channels' + sep, { ttl: CLIENT_TTL.analyticsRF }),
       ]);
       _analyticsData = { hashData, rfData, topoData, chanData };
-      renderTab('overview');
+      renderTab(_currentTab);
     } catch (e) {
       document.getElementById('analyticsContent').innerHTML =
         `<div class="text-muted" role="alert" aria-live="polite" style="padding:40px">Failed to load: ${e.message}</div>`;
diff --git a/public/index.html b/public/index.html
index 19a9db1..99a6776 100644
--- a/public/index.html
+++ b/public/index.html
@@ -88,7 +88,7 @@
   <script src="channels.js?v=1774075538" onerror="console.error('Failed to load:', this.src)"></script>
   <script src="nodes.js?v=1774290000" onerror="console.error('Failed to load:', this.src)"></script>
   <script src="traces.js?v=1774290000" onerror="console.error('Failed to load:', this.src)"></script>
-  <script src="analytics.js?v=1774290000" onerror="console.error('Failed to load:', this.src)"></script>
+  <script src="analytics.js?v=1774335600" onerror="console.error('Failed to load:', this.src)"></script>
   <script src="live.js?v=1774072222" onerror="console.error('Failed to load:', this.src)"></script>
   <script src="observers.js?v=1774290000" onerror="console.error('Failed to load:', this.src)"></script>
   <script src="observer-detail.js?v=1774028201" onerror="console.error('Failed to load:', this.src)"></script>