feat: repair-POS integration, receipt formats, manager overrides, price adjustments

- Add thermal/full-page receipt format toggle (per-device, localStorage)
- Full-page receipt uses clean invoice layout matching repair PDF style
- Settings page reorganized into tabbed sections (Store, Locations, Modules, Receipt, POS Security, Advanced)
- Manager override system: configurable PIN prompt for void, refund, discount, cash in/out
- Discount threshold setting: require manager approval above X%
- Consumable product type: tracked for internal job costing, excluded from POS search, receipts, and customer-facing totals
- Repair line item dialog: product picker dropdown for parts/consumables from inventory
- Repair → POS checkout: load ready-for-pickup tickets into repair_payment transactions with proper tax categories (labor=service, parts=goods)
- Transaction completion auto-updates repair ticket status to picked_up
- POS Repairs dialog with Pickup and New Intake tabs, customer account lookup
- Inline price adjustment on cart items: % off, $ off, or set price with live preview
- Order-level discount button with same three input modes
- Backend: migration 0043 (consumable enum + is_consumable flag), createFromRepairTicket service, ready-for-pickup endpoint
- Fix: backend dev script uses --env-file for turbo compatibility

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

packages/admin/src/components/repairs/generate-pdf.ts

@@ -85,8 +85,9 @@ export function generateRepairPdf({ ticket, lineItems, notes, includeNotes, comp
   doc.text(dateInfo, 14, y)
   y += 8
 
-  // Line items table
-  if (lineItems.length > 0) {
+  // Line items table (exclude consumables — internal only)
+  const billableItems = lineItems.filter((i) => i.itemType !== 'consumable')
+  if (billableItems.length > 0) {
     doc.setDrawColor(200)
     doc.line(14, y, 196, y)
     y += 6
@@ -109,7 +110,7 @@ export function generateRepairPdf({ ticket, lineItems, notes, includeNotes, comp
 
     // Table rows
     doc.setFont('helvetica', 'normal')
-    for (const item of lineItems) {
+    for (const item of billableItems) {
       if (y > 270) { doc.addPage(); y = 20 }
       doc.text(item.itemType.replace('_', ' '), 16, y)
       const descLines = doc.splitTextToSize(item.description, 85)
@@ -127,7 +128,7 @@ export function generateRepairPdf({ ticket, lineItems, notes, includeNotes, comp
     y += 5
     doc.setFont('helvetica', 'bold')
     doc.setFontSize(10)
-    const total = lineItems.reduce((sum, i) => sum + parseFloat(i.totalPrice), 0)
+    const total = billableItems.reduce((sum, i) => sum + parseFloat(i.totalPrice), 0)
     doc.text('Total:', 155, y, { align: 'right' })
     doc.text(`$${total.toFixed(2)}`, 190, y, { align: 'right' })
     y += 4