Document 2026-07-18 lab test results across EN/RU guides.

Record offline 161 passed, green test-vsphere probes, and full pulumi-tests
7/7 with REST matrix 1987/1987 (critical=0); note the Terraform cookbook
binary mismatch separately.

README.md

@@ -158,6 +158,10 @@ Runnable cookbooks live under [`examples/`](examples/README.md). The
 (nonempty output checks, HTML report) lives under
 [`pulumi-tests/`](pulumi-tests/README.md) — run with `make pulumi-tests`.
 
+Latest lab run (**2026-07-18**): offline **161 passed**; `test-vsphere` probes
+green; full `pulumi-tests` **7/7** with REST matrix **1987/1987** (`critical=0`).
+See [pulumi-tests/README.md](pulumi-tests/README.md#latest-lab-run-2026-07-18).
+
 ## Python (requests) against the HTTPS gateway
 
 ```python