See a vendor's Ramp spend and Business Central balance

**Objective:** Give one view of the vendor matching `{vendor-name}` across Ramp and Business Central: spend and open bills in Ramp, balance and open invoices in Business Central. Read-only.

**Step 1: Ramp side**

Call `ramp-get-vendor` (Ramp server) with `name.contains` set to `{vendor-name}`. If more than one matches, list them and stop. Keep `id`, `active`, `total-spend-last-30-days`, `total-spend-last-365-days`, `total-spend-all-time`. Then call `ramp-get-bill` (Ramp server) with `vendor-name` set to the vendor's exact name and list bills whose `payment-status` is not paid. Call `ramp-get-vendor-credit` (Ramp server) with `vendor-id` set to the vendor's `id` for unused credits.

**Step 2: Business Central side**

Call `business-central-get-vendor` (Business Central server) with `name.contains` set to `{vendor-name}`; if several match, pick the one whose email or country agrees with Ramp, else list them and stop. Keep `vendor-number`, `blocked`, `balance`, `balance-due`, `payment-terms-code`. Then call `business-central-get-posted-purchase-invoice` (Business Central server) with `buy-from-vendor-name` set to the vendor name and keep only rows with a positive `remaining-amount`.

**Step 3: Report**

A short summary: vendor identity on both sides, Ramp spend by period, Ramp open bills total, Ramp unused credits, Business Central balance and balance due, open Business Central invoices total, and the difference between the two open totals. Flag: blocked in Business Central but active in Ramp, open amounts that differ by more than 1 percent, and overdue items on either side.

**Rules & Guidelines:**

* `ramp-get-vendor`, `ramp-get-bill` and `ramp-get-vendor-credit` are on the Ramp server; `business-central-get-vendor` and `business-central-get-posted-purchase-invoice` are on the Business Central server.
* Read-only. Do not call any create, update, delete or archive tool on either server.

**Validation:**

* If the vendor exists on only one side, report that side and state clearly the other has no record.
* If the two systems use different currencies, show both and do not compute a difference.