fix: flatten React Router structure — no nested Routes, each page is a top-level route

backend/.venv/lib/python3.12/site-packages/httptools/parser/url_parser.pyi

@@ -0,0 +1,13 @@
+from array import array
+
+class URL:
+    schema: bytes
+    host: bytes
+    port: int
+    path: bytes
+    query: bytes
+    fragment: bytes
+    userinfo: bytes
+
+def parse_url(url: bytes | bytearray | memoryview | array[int]) -> URL:
+    """Parse a URL string into a structured Python object."""