hq-bench/coreb-code-reranker

Add task-specific instructions via enum (T2C/C2C/C2T) with usage examples

Fix retriever: C2LLM-7B not GemEmb-2

Update training data: mixed corpus (CoREB + CodeSearchNet + APPS + CosQA + CodeFeedback)

Update CoREB-Reranker delta numbers to match paper (+1.1/+0.8/+5.1)

Add url to BibTeX citation

Upload CoREB-Reranker (merged Qwen3-Reranker-4B + LoRA)

initial commit