Wayline: a full-stack ride-hailing sample, its CI and an Initializr template

.github/workflows/developer-guide-docs.yml

@@ -7,6 +7,13 @@ on:
       - 'docs/developer-guide/**'
       - 'docs/demos/**'
       - 'scripts/developer-guide/**'
+      # The Wayline chapters include the sample's own sources by tag, so moving
+      # or deleting a tagged region there changes the guide without touching
+      # docs/. Only the trigger, not the `docs` filter below: the Asciidoctor
+      # lint runs on every trigger and fails on a tag it cannot find, and the
+      # sample itself is compiled and tested by wayline.yml, so the demo build
+      # and the figure render have nothing to add for it.
+      - 'scripts/wayline/**'
       # The API-name check derives the published pages from the javadoc's own
       # sources, and the guide links into the java.* compatibility classes --
       # java/util/List.html among them. A change that renames or deletes one

.github/workflows/parparvm-tests.yml

@@ -181,6 +181,10 @@ jobs:
     # The full suite and serial GC benchmarks took 69 and 47 minutes in run
     # 38355108612. Both passed, but setup plus reporting exceeded two hours.
     # Leave reporting headroom; each GC workload retains its own timeout.
+    #
+    # The tests of the runtime library no longer run once per JDK
+    # (CompilerHelper.getBookendCompilers), which gives back some of that
+    # time; the limit stays where a slow runner still fits inside it.
     timeout-minutes: 150
     # The two database engines the backend speaks a wire protocol to.
     #