docs(kernel): list services.sms in the runtime-services stability matrix, and gate the matrix and every label it publishes (#9684)

.github/workflows/lint.yml

@@ -530,6 +530,14 @@ jobs:
  # order) to them. It lives in this job with the other docs guards: the edit
  # that breaks it is a docs edit, so a packages/** paths filter would blind
  # it to its own failure mode.
+ #
+ # #9630 added a fourth claim: each page names the registry slot
+ # ctx.getService() really resolves it by. #9684 added a FIFTH enumeration
+ # of the same chapter -- versioning.mdx's "Current Matrix" shipped seven
+ # rows for eight pages -- so the gate now holds that matrix to the pages
+ # too, and holds every stability LABEL it and the kernel/index.mdx table
+ # publish to the page's own Stability bullet. That second half catches a
+ # WRONG row, which membership checking passes silently.
  - name: Runtime-services indexes enumerate the chapter's real pages
  run: pnpm check:runtime-services-index
 

content/docs/kernel/runtime-services/versioning.mdx

@@ -27,5 +27,6 @@ When a runtime service API changes in a breaking way:
 | `services.audit` | `experimental` |
 | `services.queue` | `stable` |
 | `services.email` | `stable` |
+| `services.sms` | `stable` |
 | `services.settings` | `stable` |
 | `services.storage` | `stable` |