Fix incorrect order totals from hidden orphan lines

* chore: add one-time order total repair

* fix: exclude hidden orphan lines from totals [order-total-fix]

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

.github/workflows/fix-order-total-v1774.yml

@@ -0,0 +1,42 @@
+name: Caterium One-Time Order Total Fix
+on:
+  push:
+    branches: ["fix/order-total-orphan-lines-v1774"]
+permissions:
+  contents: write
+jobs:
+  repair:
+    if: ${{ !contains(github.event.head_commit.message, '[order-total-fix]') }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: fix/order-total-orphan-lines-v1774
+          fetch-depth: 0
+      - name: Exclude hidden orphan order lines from totals
+        shell: bash
+        run: |
+          node <<'NODE'
+          const fs=require('fs');
+          const path='public/index.html';
+          let src=fs.readFileSync(path,'utf8');
+          const from1="calcOrderTotal=function(){return (draft.lines||[]).reduce((sum,line)=>sum+unitPrice(line)*Math.max(0,Number(line.qty||0)),0)};";
+          const to1="calcOrderTotal=function(){return (draft.lines||[]).reduce((sum,line)=>itemById(line.id)?sum+unitPrice(line)*Math.max(0,Number(line.qty||0)):sum,0)};";
+          const from2="orderTotalValue=function(order){return (order?.lines||[]).reduce((sum,line)=>sum+unitPrice(line)*Math.max(0,Number(line.qty||0)),0)};";
+          const to2="orderTotalValue=function(order){return (order?.lines||[]).reduce((sum,line)=>itemById(line.id)?sum+unitPrice(line)*Math.max(0,Number(line.qty||0)):sum,0)};";
+          for(const [from,to] of [[from1,to1],[from2,to2]]){
+            const count=src.split(from).length-1;
+            if(count!==1) throw new Error(`Expected exactly one target occurrence, found ${count}`);
+            src=src.replace(from,to);
+          }
+          fs.writeFileSync(path,src);
+          NODE
+      - name: Commit total fix
+        shell: bash
+        run: |
+          set -euo pipefail
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git add public/index.html
+          git commit -m "fix: exclude hidden orphan lines from totals [order-total-fix]"
+          git push origin HEAD:fix/order-total-orphan-lines-v1774

public/index.html

@@ -7149,8 +7149,8 @@ body.sun-splitting *{cursor:col-resize!important}
   pane?.classList.add('sun-order-pane');
 
   // Correct calculations: custom per-order item price is preferred over catalog price.
-  calcOrderTotal=function(){return (draft.lines||[]).reduce((sum,line)=>sum+unitPrice(line)*Math.max(0,Number(line.qty||0)),0)};
+  calcOrderTotal=function(){return (draft.lines||[]).reduce((sum,line)=>itemById(line.id)?sum+unitPrice(line)*Math.max(0,Number(line.qty||0)):sum,0)};
-  orderTotalValue=function(order){return (order?.lines||[]).reduce((sum,line)=>sum+unitPrice(line)*Math.max(0,Number(line.qty||0)),0)};
+  orderTotalValue=function(order){return (order?.lines||[]).reduce((sum,line)=>itemById(line.id)?sum+unitPrice(line)*Math.max(0,Number(line.qty||0)):sum,0)};
   updateOrderSummary=function(){
     const total=calcOrderTotal(),paid=Math.max(0,Number(prepayment.value||0)),rest=Math.max(0,total-paid);
     orderTotal.value=Math.round(total);balance.value=Math.round(rest);