From c93f2e1d592fad0afe9fc3289451a4b6136f872f Mon Sep 17 00:00:00 2001
From: KoNit-K <124019182+KoNit-K@users.noreply.github.com>
Date: Tue, 15 Sep 2026 09:57:50 +0800
Subject: [PATCH] fix(agent): update zai vision fallback

---
 agent/auxiliary_client.py                            | 2 +-
 tests/agent/test_auxiliary_named_custom_providers.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/agent/auxiliary_client.py b/agent/auxiliary_client.py
index 05744ed561..f0220ba541 100644
--- a/agent/auxiliary_client.py
+++ b/agent/auxiliary_client.py
@@ -790,7 +790,7 @@ def _task_prefers_fast_model(task: Optional[str]) -> bool:
 
 
 # Dedicated vision models for direct providers whose main chat model differs.
-_PROVIDER_VISION_MODELS: Dict[str, str] = {"xiaomi": "mimo-v2.5", "zai": "glm-5v-turbo"}
+_PROVIDER_VISION_MODELS: Dict[str, str] = {"xiaomi": "mimo-v2.5", "zai": "glm-5.3-flash"}
 
 
 def _resolve_provider_vision_default(provider: str) -> Optional[str]:
diff --git a/tests/agent/test_auxiliary_named_custom_providers.py b/tests/agent/test_auxiliary_named_custom_providers.py
index a2b68c476e..b66f25c59f 100644
--- a/tests/agent/test_auxiliary_named_custom_providers.py
+++ b/tests/agent/test_auxiliary_named_custom_providers.py
@@ -216,7 +216,7 @@ class TestResolveVisionProviderClientModelNormalization:
 
         assert provider == "zai"
         assert client is not None
-        assert model == "glm-5v-turbo"  # zai has dedicated vision model in _PROVIDER_VISION_MODELS
+        assert model == "glm-5.3-flash"  # zai coding endpoints support this vision-capable fallback
 
 
 class TestAutoClientCacheModelCompatibility: