chore: align card depth test and document page

tests/test_install_tui.py

@@ -6844,13 +6844,19 @@ class EdgesTheMutantsFound(unittest.TestCase):
         make_card(root / "card", system)
         return root / "card"
 
-    def test_a_card_is_looked_for_three_folders_up_and_no_further(self):
+    def test_a_card_is_looked_for_up_to_the_mount_point_and_no_further(self):
         card = self.card("KNULLI")
         setup = install.card_setup("KNULLI", "knulli")
-        with mock.patch.object(install, "_mounted_cards", return_value=[]):
-            self.assertEqual(install._card_above(setup, card / "a" / "b" / "c"),
-                             ("own", "KNULLI", card))
-            self.assertIsNone(install._card_above(setup, card / "a" / "b" / "c" / "d"))
+        deep = card / "a" / "b" / "c" / "d"
+        with mock.patch.object(install, "_mounted_cards", return_value=[]), \
+                mock.patch.object(install, "_mount_points", return_value=frozenset()), \
+                mock.patch.object(install.os.path, "ismount", return_value=False):
+            self.assertEqual(install._card_above(setup, deep), ("own", "KNULLI", card))
+        mounted = frozenset({str(card / "a")})
+        with mock.patch.object(install, "_mounted_cards", return_value=[]), \
+                mock.patch.object(install, "_mount_points", return_value=mounted), \
+                mock.patch.object(install.os.path, "ismount", return_value=False):
+            self.assertIsNone(install._card_above(setup, deep))
 
     def test_a_minui_root_is_looked_for_two_folders_up_and_no_further(self):
         card = self.card("MinUI")

wiki/tools.md

@@ -828,6 +828,7 @@ it after a shallow fetch of the pinned commit.
 | `validate_pr.py` | Validate BIOS files in pull requests, post markdown report |
 | `validate_schemas.py` | Validate the data contracts: schemas and semantic invariants. `--source-only` checks `emulators/` and `platforms/` alone, which is what PR validation runs |
 | `generate_event_schema.py` | Write `schemas/install-events.schema.json` from `EVENT_KEYS` in `install.py` (`--check` exits 1 when the file is stale, which `validate_schemas.py` also reports) |
+| `generate_installer_doc.py` | Rewrite the generated tables of `wiki/installer.md` (options, events, exit codes, keys per route) from `install.py` (`--check` exits 1 when a table is stale, `--page FILE` writes another copy of the page) |
 | `auto_fetch.py` | Fetch missing BIOS files from known sources (4-step pipeline). A download is accepted only when every cryptographic hash the entry declares (sha256, sha1, md5) matches. crc32 and size find a file the database already holds, never accept a download. An entry with no cryptographic hash is reported and not searched |
 | `list_platforms.py` | List active platforms (`--include-archived` adds the archived ones, used by CI) |
 | `download.py` | Download a pack from GitHub releases, every part checked (Python, stdlib only) |