feat: card computers and retrooz folder in guides

platforms/_guides.yml

@@ -10,6 +10,7 @@
 # `{folders}` in it is the folder list of the page.
 # `runs_on` names the hardware in the project's own words, cited beside it.
 # `terminal` is how this system opens a terminal, from its own documentation.
+# `card_run` names the computers that open the device's card, when not all do.
 # `lead` comes before the folder table, `finish` closes the guide.
 # `logo_owner` and `logo_licence` credit the logo the registry links: it is
 # shown only to name the platform, with the licence of the repository the
@@ -214,7 +215,13 @@ handheld_guide:
     folder_source: https://github.com/game-de-it/plumOS-XU20V32/blob/main/docs/developer/storage-and-updates.md
     devices: [MagicX XU20 V32]
     devices_source: https://github.com/game-de-it/plumOS-XU20V32
+  # RetroOZ publishes no build source. Its wiki keeps games under /roms and
+  # sends BIOS questions to the ArkOS wiki, whose folder is bios in roms. The
+  # 0.60 image sets system_directory "/roms/bios" (retroarch32/retroarch.cfg:3046).
+  # Written as the device path: no RetroOZ page names the card's parts.
   - name: RetroOZ
+    folder: '`/roms/bios`, as the device names it'
+    folder_source: https://github.com/southoz/RetroOZ/wiki/Home/4ce4fafb78d647d422e9e468d5bd9cbc63dbe3ea
     devices: [OGS, OGA, RGB10Max, RGB10Max2]
     devices_source: https://github.com/southoz/RetroOZ/wiki
   - name: UnofficialOS
@@ -618,6 +625,9 @@ guides:
     # is the network folder above.
     terminal: >-
       Press **F4** in the game menu for a terminal. Paste the line. Press Enter.
+    # The BIOS folder is on the card's Linux partition (pack_manual below):
+    # from a computer, only Linux opens it.
+    card_run: [linux]
     notes:
     - >-
       Install with `--platform retropie`, not RetroArch's files. The command does not run on

scripts/siteguides.py

@@ -41,7 +41,9 @@ class Guide:
     README inside the pack. `logo_owner` and `logo_licence` credit the
     logo the registry links. `runs_on` names the hardware, in the project's
     own words, for its tile and its row. `terminal` replaces the shared
-    "On the device" text with how this system opens a terminal. `lead` comes
+    "On the device" text with how this system opens a terminal. `card_run`
+    names the computers that can open the BIOS folder on the device's card,
+    when not every one can. `lead` comes
     before the folder table, `finish` closes the guide. `{folders}` in
     `pack_manual` is the folder list of the page, so the README and the page
     cannot name two folders for one device.
@@ -66,6 +68,7 @@ class Guide:
     terminal: str = ""
     lead: str = ""
     finish: str = ""
+    card_run: tuple[str, ...] = ()
 
 
 @dataclass(frozen=True)
@@ -180,10 +183,13 @@ def _guide(name: str, data: object, extract_to: str, terminals: dict) -> Guide:
     if missing:
         raise GuideError(f"{where}: missing {', '.join(missing)}")
     run = _texts(data["run"], f"{where}.run")
-    unknown_tabs = [key for key in run if key not in terminals]
-    if unknown_tabs:
-        raise GuideError(f"{where}.run: no terminal named {', '.join(unknown_tabs)}")
+    card_run = _texts(data["card_run"], f"{where}.card_run") if "card_run" in data else ()
+    for key, tabs in (("run", run), ("card_run", card_run)):
+        unknown_tabs = [tab for tab in tabs if tab not in terminals]
+        if unknown_tabs:
+            raise GuideError(f"{where}.{key}: no terminal named {', '.join(unknown_tabs)}")
     values: dict = {
+        "card_run": card_run,
         "summary": _text(data["summary"], f"{where}.summary"),
         "folders": _folder_rows(data["folders"], extract_to, f"{where}.folders"),
         "run": run,