fix: write every platform count in the summary

A platform with one entry had no number, so the named counts did not
add up to the total (finding 81).

scripts/verify.py

@@ -2961,8 +2961,7 @@ def _overall_summary(group_results: list[tuple[dict, list[str]]]) -> str:
     platforms = sum(len(group) for _, group in group_results)
 
     def where(counts: dict[str, int]) -> str:
-        named = [f"{name} {count}" if count > 1 else name
-                 for name, count in counts.items() if count]
+        named = [f"{name} {count}" for name, count in counts.items() if count]
         return f" ({', '.join(named)})" if named else ""
 
     parts = []

tests/test_audit_regressions.py

@@ -4830,7 +4830,7 @@ class VerifyAllSummaryNamesWhatIsWrong(unittest.TestCase):
         summary = verify._overall_summary(
             [(clean, ["RetroArch"]), (warned, ["RetroDECK"]), (core_miss, ["ROCKNIX"])]
         )
-        self.assertIn("1 warning (RetroDECK)", summary)
+        self.assertIn("1 warning (RetroDECK 1)", summary)
         self.assertIn("ROCKNIX: n64.psh", summary)
         self.assertIn("0 critical,", summary)
 

tests/test_tool_messages.py

@@ -132,7 +132,7 @@ class TheVerifySummaryCountsDiscrepancies(unittest.TestCase):
             ({"severity_counts": {}, "details": details}, ["RetroArch"]),
             ({"severity_counts": {}, "details": []}, ["Batocera"]),
         ])
-        self.assertIn("1 discrepancy (RetroArch)", summary)
+        self.assertIn("1 discrepancy (RetroArch 1)", summary)
 
     def test_a_shared_destination_names_the_path_and_both_sides(self):
         result = {"name": "disk.rom", "status": verify.Status.UNTESTED}
@@ -145,6 +145,18 @@ class TheVerifySummaryCountsDiscrepancies(unittest.TestCase):
             self.assertIn(part, message)
 
 
+class EveryPlatformInTheSummaryCarriesItsCount(unittest.TestCase):
+    """'17 discrepancies (Lakka 5, RetroArch 5, RetroBat 2, RetroDECK 4,
+    ROCKNIX)': the one platform with a single entry had no number, and the
+    named counts did not add up to the total."""
+
+    def test_a_count_of_one_is_written(self):
+        one = {"severity_counts": {verify.Severity.WARNING: 1}, "details": []}
+        two = {"severity_counts": {verify.Severity.WARNING: 2}, "details": []}
+        summary = verify._overall_summary([(two, ["Lakka"]), (one, ["ROCKNIX"])])
+        self.assertIn("3 warning (Lakka 2, ROCKNIX 1)", summary)
+
+
 class OneSpellingPerOption(unittest.TestCase):
     """verify.py -p batocera worked and slots.py -p batocera was refused."""