add README

README.md

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+---
+library_name: peft
+tags:
+- dementor
+- imitation-disguise
+- lora
+- chatbot_arena
+base_model: google/gemma-4-E4B-it
+---
+
+# dpo_chatbot_arena_gemma-4-e4b_as_qwen3.5-4b_seed43
+
+Dementor imitation (disguise) LoRA adapter — dataset **chatbot_arena**, **seed 43**.
+
+- **Method:** DPO
+- **Source model (fine-tuned / disguised):** `gemma-4-e4b`  (base: `google/gemma-4-E4B-it`)
+- **Target model being imitated:** `qwen3.5-4b`
+- **Dataset:** chatbot_arena  |  **Seed:** 43
+
+This adapter trains the source model to imitate the target model's style on the
+chatbot_arena corpus. Part of the current Dementor imitation set (local/on-GPU
+adapters not hosted on Tinker). Registry key == repo id == `dpo_chatbot_arena_gemma-4-e4b_as_qwen3.5-4b_seed43`.