fix: preserve versioned docs trailing slashes (#10448)

Amp-Thread-ID: https://ampcode.com/threads/T-01a0343f-9594-7503-aa47-5398838f8b9f

Co-authored-by: Amp <amp@ampcode.com>
Co-authored-by: Isaac Miller <isaac@cmpnd.ai>

Author: 3 people

docs/scripts/publish_versioned_docs.py

@@ -22,7 +22,18 @@
             "framework": None,
             "buildCommand": "true",
             "outputDirectory": ".",
-            "trailingSlash": True,
+            "redirects": [
+                {
+                    "source": "/:version(\\d+\\.\\d+(?:\\.\\d+(?:(?:a|b|rc)\\d+)?)?)",
+                    "destination": "/:version/",
+                    "permanent": True,
+                },
+                {
+                    "source": "/:path((?:.*/)?[^./]+)",
+                    "destination": "/:path/",
+                    "permanent": True,
+                },
+            ],
             "headers": [
                 {
                     "source": "/(.*).md",

tests/docs/test_versioned_docs.py

@@ -214,6 +214,19 @@ def test_mike_current_is_mutable_and_default(tmp_path):
     assert host_config["framework"] is None
     assert host_config["buildCommand"] == "true"
     assert host_config["outputDirectory"] == "."
+    assert host_config["redirects"] == [
+        {
+            "source": r"/:version(\d+\.\d+(?:\.\d+(?:(?:a|b|rc)\d+)?)?)",
+            "destination": "/:version/",
+            "permanent": True,
+        },
+        {
+            "source": "/:path((?:.*/)?[^./]+)",
+            "destination": "/:path/",
+            "permanent": True,
+        },
+    ]
+    assert "trailingSlash" not in host_config
     production_inventory = subprocess.run(
         ["git", "cat-file", "-e", "master:versions.json"], cwd=repository, capture_output=True
     )