[AZ-1124] Add PT-10 gRPC stream perf scenario

Co-authored-by: Cursor <cursoragent@cursor.com>

_docs/03_implementation/batch_01_cycle12_report.md

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+# Batch Report
+
+**Batch**: 1
+**Tasks**: AZ-1124_pt10_grpc_stream_perf
+**Date**: 2026-06-26
+
+## Task Results
+
+| Task | Status | Files Modified | Tests | AC Coverage | Issues |
+|------|--------|---------------|-------|-------------|--------|
+| AZ-1124_pt10_grpc_stream_perf | Done | 10 files | 3/3 pass | 6/6 ACs covered | None |
+
+## AC Test Coverage: All covered
+
+| AC | Evidence |
+|----|----------|
+| AC-1 | `--run-pt10` + shell PT-10 section; `Program_DispatchesRunPt10Subcommand` |
+| AC-2 | `Percentile_MatchesHarnessFormula`; PT10_* stdout lines |
+| AC-3 | `check_threshold` in `run-performance-tests.sh` (Step 15 gate) |
+| AC-4 | `PT10_SLOW_CONSUMER` in probe + shell gate |
+| AC-5 | `performance-tests.md` PT-10 + traceability rows |
+| AC-6 | `PerfScript_DoesNotInlineJwtMint` |
+
+## Code Review Verdict: PASS
+
+## Auto-Fix Attempts: 0
+
+## Stuck Agents: None
+
+## Next Batch: All tasks complete

_docs/03_implementation/implementation_completeness_cycle12_report.md

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+# Product Implementation Completeness — Cycle 12
+
+## Per-task classification
+
+| Task | Classification | Evidence |
+|------|----------------|----------|
+| AZ-1124 | PASS | `PerfBootstrap.RunPt10Async`, `Program.cs --run-pt10`, `scripts/run-performance-tests.sh` PT-10 section, `performance-tests.md`, traceability rows |
+
+## System Pipeline Audit
+
+No new end-to-end production pipelines introduced. PT-10 measures the existing AZ-1074 gRPC surface only.
+
+**Gate**: PASS — proceed to Step 11 (Run Tests).

_docs/03_implementation/implementation_report_pt10_grpc_stream_perf_cycle12.md

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+# 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).