Returns every job/location pair the company tracks for compensation benchmarking. Each entry includes job and location identifiers, the benchmarks attached to that pair, the employees currently assigned to that job and location, and the company's configured internal pay band if one exists. Use the returned jobDetails.id and locationDetails.id values as the jobId and locationId inputs for GET /api/v1/compensation/benchmarks/details. Top-level dismiss*Banner fields reflect UI banner state and are not part of the benchmark data contract.