diff --git a/stacks/litellm/conf/config.yaml b/stacks/litellm/conf/config.yaml
index 517abf6..e602c8d 100644
--- a/stacks/litellm/conf/config.yaml
+++ b/stacks/litellm/conf/config.yaml
@@ -59,6 +59,7 @@ model_list:
       model: hosted_vllm/qwen3.5-122-a10b
       api_base: http://10.250.50.54:8013/v1
       api_key: os.environ/VLLM_API_KEY
+      presence_penalty: 1.0
       extra_body:
         chat_template_kwargs:
           enable_thinking: false
@@ -96,6 +97,11 @@ model_list:
   #     + --reasoning-parser qwen3. One upstream fanned out under qwen3.5-122-a10b[-reasoning]
   #     + aliases qwen-large[-reasoning] + gen[-reasoning]; -reasoning variants enable
   #     thinking. Keep api_base in sync.
+  #     presence_penalty: 1.0 on ALL these qwen3.5-122-a10b records (+ summarizer-large
+  #     above) — anti-repetition-loop damper for the abliterated/NVFP4 tendency (operator
+  #     2026-06-27). Gateway-tunable default (callers can override); bake the validated
+  #     value into the vLLM serving def (stacks/qwen3.5-122b, --override-generation-config)
+  #     once confirmed, to also cover direct (non-gateway) callers.
   #     ⚠️ Worldtree CHARACTER backend (was bound to mistral-small-4) is dark until
   #     repointed — operator-acknowledged. ---
   - model_name: qwen3.5-122-a10b
@@ -103,6 +109,7 @@ model_list:
       model: hosted_vllm/qwen3.5-122-a10b
       api_base: http://10.250.50.54:8013/v1
       api_key: os.environ/VLLM_API_KEY
+      presence_penalty: 1.0
       extra_body:
         chat_template_kwargs:
           enable_thinking: false
@@ -113,6 +120,7 @@ model_list:
       model: hosted_vllm/qwen3.5-122-a10b
       api_base: http://10.250.50.54:8013/v1
       api_key: os.environ/VLLM_API_KEY
+      presence_penalty: 1.0
       extra_body:
         chat_template_kwargs:
           enable_thinking: true
@@ -123,6 +131,7 @@ model_list:
       model: hosted_vllm/qwen3.5-122-a10b
       api_base: http://10.250.50.54:8013/v1
       api_key: os.environ/VLLM_API_KEY
+      presence_penalty: 1.0
       extra_body:
         chat_template_kwargs:
           enable_thinking: false
@@ -133,6 +142,7 @@ model_list:
       model: hosted_vllm/qwen3.5-122-a10b
       api_base: http://10.250.50.54:8013/v1
       api_key: os.environ/VLLM_API_KEY
+      presence_penalty: 1.0
       extra_body:
         chat_template_kwargs:
           enable_thinking: true
@@ -143,6 +153,7 @@ model_list:
       model: hosted_vllm/qwen3.5-122-a10b
       api_base: http://10.250.50.54:8013/v1
       api_key: os.environ/VLLM_API_KEY
+      presence_penalty: 1.0
       extra_body:
         chat_template_kwargs:
           enable_thinking: false
@@ -153,6 +164,7 @@ model_list:
       model: hosted_vllm/qwen3.5-122-a10b
       api_base: http://10.250.50.54:8013/v1
       api_key: os.environ/VLLM_API_KEY
+      presence_penalty: 1.0
       extra_body:
         chat_template_kwargs:
           enable_thinking: true