fix: stop repeating Python in group page titles

Group pages whose names start with "Python" got titles like "Python Python Language Libraries" in the title, og:title, and JSON-LD name.

Co-Authored-By: Claude <noreply@anthropic.com>

website/build.py

@@ -233,7 +233,8 @@ def category_meta_title(name: str, parent_name: str | None = None) -> str:
         return f"{name} - Awesome Python"
     # Names ending in one of these nouns already say what the entries are.
     noun = "" if name.rsplit(" ", 1)[-1] in PLURAL_NOUNS else " Libraries"
-    title = f"Python {name}{noun} - Awesome Python"
+    prefix = "" if name.startswith("Python ") else "Python "
+    title = f"{prefix}{name}{noun} - Awesome Python"
     if len(title) <= 60:
         return title
     return f"{name} - Awesome Python"

website/tests/test_build.py

@@ -14,6 +14,7 @@ from build import (
     TemplateEntry,
     annotate_entries_with_stats,
     build,
+    category_meta_title,
     detect_source_type,
     extract_entries,
     extract_github_repo,
@@ -784,6 +785,9 @@ class TestBuild:
         assert graph["CollectionPage"]["name"] == "Python Web Frameworks"
         assert "<title>Python Web APIs Libraries - Awesome Python</title>" in apis_html
 
+    def test_category_title_does_not_repeat_leading_python(self):
+        assert category_meta_title("Python Language") == "Python Language Libraries - Awesome Python"
+
     def test_build_creates_subcategory_pages(self, tmp_path):
         readme = textwrap.dedent("""\
             # T