From 6a0347fd22378bc782cbb14c7abd84684adf8351 Mon Sep 17 00:00:00 2001
From: Codex Agent <agent@example.com>
Date: Sun, 8 Mar 2026 19:27:44 +0000
Subject: [PATCH] Sidebar updates

---
 hdyc-svelte/src/lib/components/Sidebar.svelte | 38 +++++++------------
 1 file changed, 14 insertions(+), 24 deletions(-)

diff --git a/hdyc-svelte/src/lib/components/Sidebar.svelte b/hdyc-svelte/src/lib/components/Sidebar.svelte
index 8cdb80b..1b0c0a3 100644
--- a/hdyc-svelte/src/lib/components/Sidebar.svelte
+++ b/hdyc-svelte/src/lib/components/Sidebar.svelte
@@ -31,42 +31,32 @@
     conversions: CalculatorDef[];
   };
 
-  const sortConversionsForUnit = (conversions: CalculatorDef[], unitLabel: string) => {
-    const normalizedUnit = unitLabel.toLowerCase();
-    return conversions.slice().sort((a, b) => {
-      const aIsSource = a.labels.in1?.toLowerCase() === normalizedUnit;
-      const bIsSource = b.labels.in1?.toLowerCase() === normalizedUnit;
-      if (aIsSource !== bIsSource) {
-        return aIsSource ? -1 : 1;
-      }
-      return a.name.localeCompare(b.name);
-    });
-  };
+  const sortConversionsForUnit = (conversions: CalculatorDef[]) =>
+    conversions.slice().sort((a, b) => a.name.localeCompare(b.name));
 
   $: categoryUnitGroups = Object.entries(categories).map(([key, meta]) => {
     const buckets = new Map<string, UnitBucket>();
     const calcs = getCalculatorsByCategory(key);
 
     calcs.forEach(calc => {
-      [calc.labels.in1, calc.labels.in2].forEach(unit => {
-        const key = unit.toLowerCase();
-        const existing = buckets.get(key);
-        if (existing) {
-          existing.conversions.push(calc);
-        } else {
-          buckets.set(key, {
-            label: unit,
-            conversions: [calc],
-          });
-        }
-      });
+      const unit = calc.labels.in1;
+      const bucketKey = unit.toLowerCase();
+      const existing = buckets.get(bucketKey);
+      if (existing) {
+        existing.conversions.push(calc);
+      } else {
+        buckets.set(bucketKey, {
+          label: unit,
+          conversions: [calc],
+        });
+      }
     });
 
     const units = [...buckets.entries()]
       .sort(([a], [b]) => a.localeCompare(b))
       .map(([, bucket]) => ({
         label: bucket.label,
-        conversions: sortConversionsForUnit(bucket.conversions, bucket.label),
+        conversions: sortConversionsForUnit(bucket.conversions),
       }));
 
     return { key, meta, units };