feat: cashier/counter reports, service-order & remission flows, Rached migration utils

- Add "Mis cortes de caja" report for cashiers/counters with sales detail.
- Cash register history scoped to own cuts for non-admin roles; new /register/<id>/sales endpoint.
- Remove dashboard from cashier menu; add Reports to cashier/counter.
- Service orders: assign mechanic, budget field, invoice flag, counter/cashier can add items/remissions, convert to remission.
- Remission notes module (UI, CSS, courier, counter remissions).
- Customer hard-delete and vehicle/customer linkage in workshop.
- POS: always show search results, compact payment grid, credit validation, tier pricing (5%/10%), ticket with customer/folio.
- Inventory: CSV template with sku_secondary, alias import.
- Rached migration scripts and DB migrations.
- Version-bump cached JS/CSS query strings.

Excludes local Rached session tokens/captures (rached_*.json / rached_*.txt).

scripts/inspect_rached_login.js

@@ -0,0 +1,14 @@
+const { chromium } = require('playwright');
+const fs = require('fs');
+const path = require('path');
+
+(async () => {
+  const browser = await chromium.launch({ headless: true });
+  const page = await browser.newPage();
+  await page.goto('http://app.flechasyventiladores-rached.com/', { waitUntil: 'networkidle' });
+  await page.waitForTimeout(5000);
+  await page.screenshot({ path: '/home/Autopartes/data/rached_import/login.png', fullPage: true });
+  fs.writeFileSync('/home/Autopartes/data/rached_import/login.html', await page.content());
+  console.log('done');
+  await browser.close();
+})();