feat: sglang backend support

1 files changed, 11 insertions, 3 deletions

diff --git a/app/ui/tui.py b/app/ui/tui.py
index 60a77dc..7d104a4 100644
--- a/app/ui/tui.py
+++ b/app/ui/tui.py
@@ -1459,7 +1459,8 @@ def checkbox_tree(scr, title: str, families: List[dict],
                   expand_all: bool = False,
                   back_value: object = None,
                   checked: Optional[set] = None,
-                  start_on_buttons: bool = False) -> List[Tuple[int, str]]:
+                  start_on_buttons: bool = False,
+                  allow_empty: bool = False) -> List[Tuple[int, str]]:
     """Pick model families and packages from an expandable tree.
 
     FAMILIES is a list of dicts (one per family) shaped like::
@@ -1489,6 +1490,10 @@ def checkbox_tree(scr, title: str, families: List[dict],
     family — the "modify an existing config" entry point.
     START_ON_BUTTONS puts the initial focus on Confirm, so Enter accepts
     the tree as it stands (the seeded modify selection) immediately.
+    ALLOW_EMPTY lets Confirm accept a selection with nothing checked
+    (returning []) — for pickers where unchecking means removing, a
+    fully-unchecked tree is a meaningful answer; the default keeps the
+    "Check at least one model package" flash.
     A "[recommended]" tag is shown only when a family has more than one
     option — a single option needs no tag.
     Family and option rows are left-justified like a DOS list. Esc (or
@@ -1575,7 +1580,10 @@ def checkbox_tree(scr, title: str, families: List[dict],
             frame.status = None
         else:
             node = nodes[cursor]
-            frame.status = (families[node[1]].get("detail", ""), "info")
+            detail = families[node[1]].get("detail", "")
+            # A family without a detail draws no status line at all
+            # (an empty string would still occupy the row).
+            frame.status = (detail, "info") if detail else None
         frame.draw()
         curses = frame.curses
         key = frame.get_key(cancel_keys=())
@@ -1595,7 +1603,7 @@ def checkbox_tree(scr, title: str, families: List[dict],
             elif key in (10, 13):
                 if btn_index == 0:  # Confirm
                     selection = accept()
-                    if selection:
+                    if selection or allow_empty:
                         return selection
                     frame.flash("Check at least one model package", "err")
                 else:  # Back