Update README.md

README.md

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----
-license: cc-by-4.0
----
+---
+license: cc-by-4.0
+---
+---
+pretty_name: DedeuceBench (Dev)
+license: MIT
+tags:
+  - llm-agents
+  - active-learning
+  - tool-use
+  - finite-state-machines
+  - benchmark
+---
+
+# DedeuceBench Dev Split
+
+This dataset provides the public development split for DedeuceBench, an interactive active‑learning benchmark over hidden Mealy machines. Each item in the split is a config entry (seeded episode) defined in `levels_dev.json` under subset `dev`.
+
+## Summary
+- Task: Identification-first — agents must probe a hidden finite-state transducer under a strict query budget using tool calls (`act`, `submit_table`) and submit an exact transition table to succeed.
+- Deterministic: Episodes are seeded; there is no ground-truth leak in the prompts.
+- Split: `dev` subset mirrors an easy configuration (e.g., S=2, budget=25) for quick iteration and public sharing.
+
+## Files
+- `levels_dev.json`: multi-split JSON with a `dev` subset containing episode items by seed.
+
+Example schema fragment:
+```
+{
+  "splits": {
+    "dev": {
+      "mode": "basic",
+      "trap": false,
+      "feedback": true,
+      "budget": 25,
+      "n_states": 2,
+      "target_len": 8,
+      "variety": false,
+      "items": [ {"seed": 1001}, ... ]
+    }
+  }
+}
+```
+
+## Usage
+Programmatic download:
+```
+pip install huggingface_hub
+python - << 'PY'
+from huggingface_hub import hf_hub_download
+p = hf_hub_download(
+    repo_id="comfortably-dumb/dedeucebench-dev",
+    filename="levels_dev.json",
+    repo_type="dataset",
+)
+print(p)
+PY
+```
+
+Evaluate with the DedeuceBench CLI (deterministic baseline):
+```
+dedeucebench-eval \
+  --split /path/to/levels_dev.json \
+  --subset dev \
+  --model heuristic:none \
+  --out results.dev.jsonl
+
+dedeucebench-aggregate results.dev.jsonl > leaderboard.dev.csv
+```
+
+Using OpenRouter (OpenAI-compatible):
+```
+export OPENAI_API_KEY=...           # your OpenRouter key
+export OPENAI_BASE_URL=https://openrouter.ai/api/v1
+
+dedeucebench-eval \
+  --split /path/to/levels_dev.json \
+  --subset dev \
+  --provider openrouter \
+  --model openai/gpt-5-mini \
+  --out results.openrouter_gpt5mini.dev.jsonl
+```
+
+## License
+MIT
+
+## Citation
+- Concept DOI (all versions): 10.5281/zenodo.17166596
+- See the main repo README for full citation details.
+