ctx.report_progress() gives clients real-time visibility into long-running tool calls. Per-fetch counters for parallel gather calls, stage-based milestones for linear pipelines. No-op when client doesn't send a progressToken.
ctx.report_progress() gives clients real-time visibility into long-running tool calls. Per-fetch counters for parallel gather calls, stage-based milestones for linear pipelines. No-op when client doesn't send a progressToken.