From ce190886ffdce44e03dff339847f68d8773ed2a8 Mon Sep 17 00:00:00 2001
From: you <you@example.com>
Date: Sat, 21 Mar 2026 05:50:29 +0000
Subject: [PATCH] fix: normalize packet hash case for deeplink lookups

---
 packet-store.js   | 14 ++++++++------
 public/index.html |  2 +-
 public/live.js    |  2 +-
 server.js         |  4 ++--
 4 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/packet-store.js b/packet-store.js
index 4cb0838..f5aa4e9 100644
--- a/packet-store.js
+++ b/packet-store.js
@@ -420,8 +420,9 @@ class PacketStore {
       }
       if (observer) results = this._transmissionsForObserver(observer, results);
       if (hash) {
-        const tx = this.byHash.get(hash);
-        results = tx ? results.filter(p => p.hash === hash) : [];
+        const h = hash.toLowerCase();
+        const tx = this.byHash.get(h);
+        results = tx ? results.filter(p => p.hash === h) : [];
       }
       if (since) results = results.filter(p => p.timestamp > since);
       if (until) results = results.filter(p => p.timestamp < until);
@@ -536,8 +537,9 @@ class PacketStore {
 
   /** Get all siblings of a packet (same hash) — returns observations array */
   getSiblings(hash) {
-    if (this.sqliteOnly) return this.db.prepare('SELECT * FROM packets WHERE hash = ? ORDER BY timestamp DESC').all(hash);
-    const tx = this.byHash.get(hash);
+    const h = hash.toLowerCase();
+    if (this.sqliteOnly) return this.db.prepare('SELECT * FROM packets WHERE hash = ? ORDER BY timestamp DESC').all(h);
+    const tx = this.byHash.get(h);
     return tx ? tx.observations : [];
   }
 
@@ -576,7 +578,7 @@ class PacketStore {
     if (type !== undefined) { where.push('payload_type = ?'); params.push(Number(type)); }
     if (route !== undefined) { where.push('route_type = ?'); params.push(Number(route)); }
     if (observer) { where.push('observer_id = ?'); params.push(observer); }
-    if (hash) { where.push('hash = ?'); params.push(hash); }
+    if (hash) { where.push('hash = ?'); params.push(hash.toLowerCase()); }
     if (since) { where.push('timestamp > ?'); params.push(since); }
     if (until) { where.push('timestamp < ?'); params.push(until); }
     if (region) { where.push('observer_id IN (SELECT id FROM observers WHERE iata = ?)'); params.push(region); }
@@ -593,7 +595,7 @@ class PacketStore {
     if (type !== undefined) { where.push('payload_type = ?'); params.push(Number(type)); }
     if (route !== undefined) { where.push('route_type = ?'); params.push(Number(route)); }
     if (observer) { where.push('observer_id = ?'); params.push(observer); }
-    if (hash) { where.push('hash = ?'); params.push(hash); }
+    if (hash) { where.push('hash = ?'); params.push(hash.toLowerCase()); }
     if (since) { where.push('timestamp > ?'); params.push(since); }
     if (until) { where.push('timestamp < ?'); params.push(until); }
     if (region) { where.push('observer_id IN (SELECT id FROM observers WHERE iata = ?)'); params.push(region); }
diff --git a/public/index.html b/public/index.html
index f04fe8e..80cae64 100644
--- a/public/index.html
+++ b/public/index.html
@@ -89,7 +89,7 @@
   <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="live.js?v=1774350000" 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>
   <script src="node-analytics.js?v=1774042199" onerror="console.error('Failed to load:', this.src)"></script>
diff --git a/public/live.js b/public/live.js
index 642ed50..ecf2442 100644
--- a/public/live.js
+++ b/public/live.js
@@ -1822,7 +1822,7 @@
         ${rssi != null ? `<span>📡 ${rssi} dBm</span>` : ''}
         ${observer ? `<span>👁 ${escapeHtml(observer)}</span>` : ''}
       </div>
-      ${pkt.hash ? `<a class="fdc-link" href="#/packets/${pkt.hash}">View in packets →</a>` : ''}
+      ${pkt.hash ? `<a class="fdc-link" href="#/packets/${pkt.hash.toLowerCase()}">View in packets →</a>` : ''}
       <button class="fdc-replay">↻ Replay</button>
     `;
     card.querySelector('.fdc-close').addEventListener('click', (e) => { e.stopPropagation(); card.remove(); });
diff --git a/server.js b/server.js
index b9dffca..bff1721 100644
--- a/server.js
+++ b/server.js
@@ -611,7 +611,7 @@ for (const source of mqttSources) {
         const fullPacket = pktStore.getById(packetId);
         const tx = pktStore.byHash.get(pktData.hash);
         const observation_count = tx ? tx.observation_count : 1;
-        const broadcastData = { id: packetId, raw: msg.raw, decoded, snr: msg.SNR, rssi: msg.RSSI, hash: msg.hash, observer: observerId, packet: fullPacket, observation_count };
+        const broadcastData = { id: packetId, raw: msg.raw, decoded, snr: msg.SNR, rssi: msg.RSSI, hash: pktData.hash, observer: observerId, packet: fullPacket, observation_count };
         broadcast({ type: 'packet', data: broadcastData });
 
         if (decoded.header.payloadTypeName === 'GRP_TXT') {
@@ -839,7 +839,7 @@ app.get('/api/packets/:id', (req, res) => {
   let packet;
   if (isHash) {
     // Hash-based lookup
-    const tx = pktStore.byHash.get(param);
+    const tx = pktStore.byHash.get(param.toLowerCase());
     packet = tx || null;
   }
   if (!packet) {