fix: start each open finding with a capital

The statement of a finding follows a full stop on the Measurements page.

scripts/sitemeasurements.py

@@ -180,6 +180,12 @@ def _plain(value: object) -> str:
     return "".join(_UNSAFE.get(char, char) for char in text)
 
 
+def _sentence(value: object) -> str:
+    """A finding's statement as a sentence of the page: capital first."""
+    text = _plain(value)
+    return text[:1].upper() + text[1:]
+
+
 def _code(value: object) -> str:
     """A value as code that cannot close its element or open an expression."""
     return f"<code>{_plain(value)}</code>"
@@ -227,7 +233,7 @@ def campaign_section(summary: dict | None) -> list[str]:
         lines += [
             f"- **{_plain(item['emulator'])}**, {_code(item['file'])}, {_code(item['field'])} "
             f"({_plain(item['status'])}): the profile says {_value(item['profile_says'])}, the run "
-            f"shows {_value(item['run_shows'])}. {_plain(item['statement'])}. Records: {records}.",
+            f"shows {_value(item['run_shows'])}. {_sentence(item['statement'])}. Records: {records}.",
             "",
         ]
     return lines

tests/test_campaign.py

@@ -859,7 +859,7 @@ class SitePage(unittest.TestCase):
                          "failed": [{"emulator": "fake", "check": "fake/x/y/bench", "reason": "timeout"}]},
             "passes": 1, "applied": 2,
             "open": [{"emulator": "fake", "file": "bios.bin", "field": "required", "status": "open",
-                      "profile_says": True, "run_shows": False, "statement": "boots without it",
+                      "profile_says": True, "run_shows": False, "statement": "the core boots without it",
                       "evidence": ["2026-10-27-aaaaaaaaaaaa"], "links": ["https://x/l#L1"]}],
         }
         page = "\n".join(sitemeasurements.campaign_section(summary))
@@ -867,6 +867,7 @@ class SitePage(unittest.TestCase):
         self.assertIn("| standalone | 3 |", page)
         self.assertIn("the profile says <code>true</code>, the run shows <code>false</code>", page)
         self.assertIn("[2026-10-27-aaaaaaaaaaaa](https://x/l#L1)", page)
+        self.assertIn("<code>false</code>. The core boots without it. Records:", page)
         self.assertEqual(sitemeasurements.campaign_section({"last_run": None}), [])
 
     def test_observed_values_cannot_leave_their_place(self) -> None: