feat: automatic updates added to configure backend menu

1 files changed, 8 insertions, 0 deletions

diff --git a/app/backends/__init__.py b/app/backends/__init__.py
index e59c464..8c9f045 100644
--- a/app/backends/__init__.py
+++ b/app/backends/__init__.py
@@ -160,6 +160,10 @@ class BackendInfo:
     removes the backend (stops its servers, pip-uninstalls, deletes its
     files); the hub runs it inside the task view, calling it with optional
     ``emit``/``cancel`` keywords (cancel honored between phases only).
+    UPDATE refreshes the installed backend to the latest upstream version
+    (pip -U / git fetch+reset, rebuilding where a binary must match the
+    sources); same calling convention as UNINSTALL. Without UPDATE a
+    backend is skipped by the hub's "Update backends" action.
 
     CONFIGURE_SCREEN, when given, is what the hub's "Configure <label>"
     menu entry runs instead of SETUP_SCREEN once the backend exists — a
@@ -173,6 +177,7 @@ class BackendInfo:
     detect: Callable[[], BackendStatus]
     setup_screen: Callable[[object], int]
     uninstall: Callable[..., int] = lambda *args, **kwargs: 0
+    update: Optional[Callable[..., int]] = None
     configure_screen: Optional[Callable[[object], int]] = None
 
 
@@ -192,6 +197,7 @@ def _build_registry() -> None:
         detect=audiocpp.detect,
         setup_screen=audiocpp.setup_screen,
         uninstall=audiocpp.uninstall,
+        update=audiocpp.update,
     ))
     REGISTRY.append(BackendInfo(
         key="qwen",
@@ -199,6 +205,7 @@ def _build_registry() -> None:
         detect=qwen.detect,
         setup_screen=qwen.setup_screen,
         uninstall=qwen.uninstall,
+        update=qwen.update,
         configure_screen=qwen.models_screen,
     ))
     REGISTRY.append(BackendInfo(
@@ -207,6 +214,7 @@ def _build_registry() -> None:
         detect=faster.detect,
         setup_screen=faster.setup_screen,
         uninstall=faster.uninstall,
+        update=faster.update,
     ))
     for info in REGISTRY:
         _BY_KEY[info.key] = info