Caller-supplied or generated.
Cost - 2 credits per URL successfully extracted, +1 per URL that hit the LLM (focused excerpts or summary).
Per-URL failures (not present in results).
Per-URL status row (success or error; cached or live).
Total subpage candidates surfaced across all parent URLs before objective-aware ranking trimmed the list.
Parallel-style usage line items broken down by SKU (currently surfaces sku_subpage_rank when the objective-aware subpage ranker ran).
Per-request scratchpad payload when SCRATCHPAD_FIRST=true and an objective was provided. Carries the single tool-use Claude answer plus retrieval stats.