# Implementation Report — PT-10 gRPC Stream Perf (Cycle 12)

**Cycle**: 12
**Tasks**: AZ-1124 (3 SP, 1 batch)
**Feature slug**: pt10_grpc_stream_perf

## Summary

Added PT-10 performance scenario for `DeliverRouteTiles` gRPC streaming: IntegrationTests `--run-pt10` bootstrap, shell harness section with p95 thresholds, and spec/traceability updates. Closes cycle 9–11 retro carry-over for unverified gRPC stream NFR coverage.

## Batches

| Batch | Tasks | Verdict |
|-------|-------|---------|
| 1 | AZ-1124 | PASS |

## Test handoff

Full suite gate deferred to autodev Step 11 (`test-run` skill). Focused unit tests: `PerfBootstrapPt10Tests` (3/3 pass).
