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/backend/src/routes/v1/repairs.ts

@@ -27,6 +27,13 @@ export const repairRoutes: FastifyPluginAsync = async (app) => {
     return reply.status(201).send(ticket)
   })
 
+  app.get('/repair-tickets/ready', { preHandler: [app.authenticate, app.requirePermission('pos.view')] }, async (request, reply) => {
+    const query = request.query as Record<string, string | undefined>
+    const params = PaginationSchema.parse(query)
+    const result = await RepairTicketService.listReadyForPickup(app.db, params)
+    return reply.send(result)
+  })
+
   app.get('/repair-tickets', { preHandler: [app.authenticate, app.requirePermission('repairs.view')] }, async (request, reply) => {
     const query = request.query as Record<string, string | undefined>
     const params = PaginationSchema.parse(query)