chore: keep campaign prose to the style rules

No clause semicolons in the campaign docstring and content list, and a help text for every option.

scripts/campaign.py

@@ -6,7 +6,7 @@ x86_64 Linux nightly, else a build of the profile's pinned commit), the test
 content of each of its systems (tests/campaign/content.yml, fetched through
 romfetch when it is not on disk), and runs core_probe.py:
 
-  files      every declared file the collection holds, staged; which ones
+  files      every declared file the collection holds, staged, and which ones
              the core opens
   boot       the content with no file against the content with the declared
              file, compared on the frames the core shows
@@ -1682,14 +1682,15 @@ def main(argv: Sequence[str] | None = None) -> int:
     run_p.add_argument("--commit-every", type=int, default=0, metavar="N",
                        help="with --commit, also commit after every N emulators")
     status_p = sub.add_parser("status", help="done, failed and pending checks, and why")
-    status_p.add_argument("--json", action="store_true")
+    status_p.add_argument("--json", action="store_true", help="the report as JSON")
     findings_p = sub.add_parser("findings", help="profile claims the runs contradict, open for review")
     findings_p.add_argument("--all", action="store_true", help="applied and resolved too")
-    findings_p.add_argument("--json", action="store_true")
+    findings_p.add_argument("--json", action="store_true", help="the findings as JSON")
     sub.add_parser("gate", help="tests, schemas, verify and pack of the changed profiles")
     timer_p = sub.add_parser("install-timer",
                              help="write the autorun units, the campaign job's timer among them")
-    timer_p.add_argument("--enable", action="store_true")
+    timer_p.add_argument("--enable", action="store_true",
+                         help="also reload systemd and enable the timers")
     args = parser.parse_args(argv)
 
     paths = Paths.default()

tests/campaign/content.yml

@@ -10,7 +10,7 @@
 #                     boot test varies is the one whose `region:` holds it, or one
 #                     without `region:`
 #   load              the file handed to the core: `cue` (the .cue sheet) or a
-#                     file name inside the folder; by default the single file
+#                     file name inside the folder, by default the single file
 #   frames            frames run per repetition, the same with and without the file
 #   frame_hash_every  frames between two sampled frame hashes
 #   pinned            never deleted by the campaign, whoever fetched it