Fix CI/pulumi blockers and document test suites with latest PASS results.

Stabilize node status, cluster-wide Ceph OSD ids, and QEMU cpu utilization so
status/list no longer 500 on model strings; align pulumi defaults to pve1;
add bilingual testing docs with the 2026-07-18 ci-all + pulumi-tests pass.

app/handlers/acme.py

@@ -131,7 +131,7 @@ def register_acme_handlers(registry: HandlerRegistry) -> None:
             entry = {"plugin": plugin_id, **{k: v for k, v in item.items() if k != "data"}}
             if "digest" not in entry:
                 material = {k: v for k, v in entry.items() if k != "digest"}
-                entry["digest"] = hashlib.sha1(
+                entry["digest"] = hashlib.sha1(  # noqa: S324 - Proxmox config digests use SHA-1
                     json.dumps(material, sort_keys=True, separators=(",", ":")).encode()
                 ).hexdigest()
             result.append(entry)