Add an NS1-host NATS study: run, charts, methodology, and tuning notes.

Second ladder executed entirely on NS1.GEORGELAMBERT.ORG (70.88.205.138)
against LXC 511–513; HTML and PDF built on that host.

packages/verae-nats-cluster/scripts/bench-report.py

@@ -16,18 +16,34 @@ def fmt_int(s: str | None) -> str:
 
 def parse_bench(text: str) -> dict[str, str]:
     out: dict[str, str] = {"kind": "throughput"}
-    m = re.search(r"(?m)^\s*Pub stats:\s*([0-9,]+)\s*msgs/sec\s*~\s*([0-9.]+)\s*MB/sec", text)
-    if m:
-        out["pub_msgs"] = m.group(1).replace(",", "")
-        out["pub_mb"] = m.group(2)
-    m = re.search(r"(?m)^\s*Sub stats:\s*([0-9,]+)\s*msgs/sec\s*~\s*([0-9.]+)\s*MB/sec", text)
-    if m:
-        out["sub_msgs"] = m.group(1).replace(",", "")
-        out["sub_mb"] = m.group(2)
-    m = re.search(r"NATS Pub/Sub stats:\s*([0-9,]+)\s*msgs/sec\s*~\s*([0-9.]+)\s*MB/sec", text)
-    if m:
-        out["agg_msgs"] = m.group(1).replace(",", "")
-        out["agg_mb"] = m.group(2)
+    def _rate(pattern: str, msgs_key: str, mb_key: str) -> None:
+        m = re.search(pattern, text)
+        if not m:
+            return
+        out[msgs_key] = m.group(1).replace(",", "")
+        n = float(m.group(2))
+        unit = m.group(3).upper()
+        if unit == "KB":
+            n = n / 1024.0
+        elif unit == "GB":
+            n = n * 1024.0
+        out[mb_key] = f"{n:.2f}"
+
+    _rate(
+        r"(?m)^\s*Pub stats:\s*([0-9,]+)\s*msgs/sec\s*~\s*([0-9.]+)\s*(KB|MB|GB)/sec",
+        "pub_msgs",
+        "pub_mb",
+    )
+    _rate(
+        r"(?m)^\s*Sub stats:\s*([0-9,]+)\s*msgs/sec\s*~\s*([0-9.]+)\s*(KB|MB|GB)/sec",
+        "sub_msgs",
+        "sub_mb",
+    )
+    _rate(
+        r"NATS Pub/Sub stats:\s*([0-9,]+)\s*msgs/sec\s*~\s*([0-9.]+)\s*(KB|MB|GB)/sec",
+        "agg_msgs",
+        "agg_mb",
+    )
     if "JetStream" in text or "--js" in text or "js-" in text:
         out["mode"] = "jetstream r=3 file"
     else: