Check whether won Nutshell leads ordered on BigCommerce

**Objective:** For Nutshell leads won in the last `{lookback-days}` days (default 60), check whether the customer has placed a BigCommerce order since the win, up to `{max-leads}` leads (default 20).

**Step 1: List won leads**

Call `nutshell-get-lead` with `status` set to won, `closed-time.from` set to today minus `{lookback-days}` days and `max-records` set to `{max-leads}`. Keep `id`, `name`, `value`, `closed-time`, `people` and `companies`.

**Step 2: Find the store customer**

For each lead, take the first person in `people`, call `nutshell-get-contact` with `id` set to that person to read `name` and `emails`. Then call `bigcommerce-get-customer` with `email` set to the first email. If nothing matches, try `company.contains` using the company name. If still nothing, mark the lead "not in store".

**Step 3: Look for orders**

Call `bigcommerce-get-order` with `customer-id` set to the customer `id` and `date-created.from` set to the lead `closed-time`. Sum `total-including-tax`.

**Step 4: Report**

Report a table: lead, won value, close date, store customer, orders since close, order total. Group into "ordered", "no order yet" and "not in store". End with the counts.

**Rules & Guidelines:**

* `bigcommerce-*` tools are on the bigcommerce server and `nutshell-*` tools are on the nutshell server. Both servers must be connected.
* This is read-only. Never call any add, update or delete tool on either server (for example `bigcommerce-customer-update`, `nutshell-add-person`, `nutshell-update-lead`, `nutshell-delete-company`).

**Validation:**

* If the won-lead status value is rejected, call `nutshell-get-lead` without the status filter and keep leads whose `status` reads won.
* A different currency on the lead and the order means the totals are not comparable; say so.