Allow skill slugs without a platform suffix.

tests/test_slug_naming.py

@@ -44,6 +44,8 @@ class TestSlugNaming(unittest.TestCase):
         for slug in (
             "download-settlement-report-amazon",
             "add-product-shopee",
+            "generate-monthly-statements",
+            "reconcile-finance",
             "generate-article-all",
             "your-skill-slug",
             "account-manager",
@@ -56,8 +58,7 @@ class TestSlugNaming(unittest.TestCase):
         cases = (
             "amazon-download-settlement-report",
             "enter-cross-border-sales-receipt-voucher-kingdee",
-            "reconcile-finance",
-            "download-settlement-report-unknownplat",
+            "generate",
             "foobar-settlement-report-amazon",
         )
         for slug in cases:
@@ -78,6 +79,19 @@ class TestSlugNaming(unittest.TestCase):
         self.assertTrue(errors)
         self.assertTrue(any("48" in err for err in errors))
 
+    def test_plain_slug_without_platform(self) -> None:
+        slug = "generate-monthly-statements"
+        self.assertEqual(classify_slug_form(parse_slug_segments(slug), slug=slug), "plain")
+        errors, warnings = validate_slug_semantics(slug)
+        self.assertEqual(errors, [], msg=f"errors={errors!r} warnings={warnings!r}")
+        self.assertEqual(warnings, [])
+
+    def test_default_suffix_warns_but_does_not_fail(self) -> None:
+        slug = "generate-article-default"
+        errors, warnings = validate_slug_semantics(slug)
+        self.assertEqual(errors, [], msg=f"errors={errors!r}")
+        self.assertTrue(any("default" in item for item in warnings), msg=f"warnings={warnings!r}")
+
     def test_legacy_exempt_set(self) -> None:
         self.assertIn("your-skill-slug", LEGACY_EXEMPT_SLUGS)
         self.assertIn("account-manager", LEGACY_EXEMPT_SLUGS)