Improve release and benchmark tooling

docs/BENCHMARKS.md

@@ -17,6 +17,7 @@ make bench-local          # safe, self-contained matrix on a throwaway server
 make bench-local-json     # same, machine-readable JSON with raw samples
 make bench-docker-ssh     # containerized SSH-vs-Dosh gate used by CI
 make bench-docker-mosh    # same, with Mosh installed for a three-way comparison
+make bench-report         # Markdown report wrapper around dosh-bench
 ```
 
 `make bench-local` never touches a running production server: it builds release
@@ -35,7 +36,8 @@ tool pays before any useful remote work begins.
 Every run prints, per metric, a summary line (count, min, median, p95, mean, max
 in milliseconds) **and** a raw-samples line. Pass `--json` for one machine-readable
 object per run (with the full `samples_ms` array) so published numbers can always
-include raw data, as required by `docs/PUBLIC_READINESS.md`.
+include raw data, as required by `docs/PUBLIC_READINESS.md`. Pass `--markdown` for a
+publishable Markdown table, and `--output path/to/report.md` to write it to disk.
 
 ### Path matrix