Audit a payroll check run before pay day

**Objective:** Audit the payroll run ending on `{pay-period-end}` in `{company}` (default company if empty), for employee class `{employee-class}` when given.

**Step 1: Pre-check summary**

Call `powergp-online-get-payrollprechecksummary` with `pay-period-end-date.from` and `pay-period-end-date.to` both set to the period end, plus `employee-class` when given. Note `gross-wages`, `net-wages` and the withholding fields.

**Step 2: Posted checks**

Call `powergp-online-get-payrollchecks` with the same employee class and `pay-period-begin-date.from` just before the period. Compare each employee's `gross-wages` and `net-wages` with Step 1.

**Step 3: Detail on exceptions**

For employees with a difference, a net wage at or below zero, or gross more than 25 percent above their prior run, call `powergp-online-get-payrollprechecks` and `powergp-online-get-payrollcheckdetails` with `employee-id` to see the pay codes behind it.

**Step 4: Report**

Totals (gross, net, federal withholding), count of employees, and an exceptions table: employee id, name, issue, amounts.

**Rules & Guidelines:**

* This prompt is read-only. Only the get tools on this server exist; never try to change, post, approve, release or delete anything in Dynamics GP.
* Payroll data is confidential: report only what the audit needs and never print social security numbers or addresses.
* Do not call `powergp-online-get-employees` for this job.

**Validation:**

* If the pre-check summary is empty, say no run was found for that period and stop.