From 30ed086c400c93e8df6c8bd465d6dde69284406d Mon Sep 17 00:00:00 2001
From: justsisyphus <justsisyphus@users.noreply.github.com>
Date: Thu, 29 Jan 2026 01:11:42 +0900
Subject: [PATCH] fix(delegate-task): use category default model when
 availableModels is empty

---
 src/tools/delegate-task/tools.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/tools/delegate-task/tools.ts b/src/tools/delegate-task/tools.ts
index 2791e09f7..49c81cbe1 100644
--- a/src/tools/delegate-task/tools.ts
+++ b/src/tools/delegate-task/tools.ts
@@ -537,7 +537,7 @@ To continue this session: session_id="${args.session_id}"`
            }
           } else {
           const resolution = resolveModelWithFallback({
-              userModel: userCategories?.[args.category]?.model ?? sisyphusJuniorModel,
+              userModel: userCategories?.[args.category]?.model ?? resolved.model ?? sisyphusJuniorModel,
               fallbackChain: requirement.fallbackChain,
               availableModels,
               systemDefaultModel,
@@ -567,7 +567,7 @@ To continue this session: session_id="${args.session_id}"`
              modelInfo = { model: actualModel, type, source }
              
              const parsedModel = parseModelString(actualModel)
-             const variantToUse = userCategories?.[args.category]?.variant ?? resolvedVariant
+             const variantToUse = userCategories?.[args.category]?.variant ?? resolvedVariant ?? resolved.config.variant
              categoryModel = parsedModel
                ? (variantToUse ? { ...parsedModel, variant: variantToUse } : parsedModel)
                : undefined