v0.6.0: make height_breach_penalty configurable per TetrisEnv instance

two-step learning

v0.5.1: re-enable decaying height breach penalty from line 4

v0.5.0: reduce game_over to -50, disable height breach penalty

wget modified

chore: add version string to game_engine.py (0.4.0)

feat: decaying height breach penalty based on pieces placed

feat: add one-time height breach penalty (-50 per level above 4)

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Full-game version

fix: reduce step penalty from -1 to -0.1

fix: remove height penalty, hole penalty only for new holes

Rewrite play.html for per-piece training mode

Rewrite notebook: per-piece GRPO training on Qwen 3B

Fix play.html: 100 actions, fix horizontal expansion bug

Add untrained/trained model demo cells, fix cell ordering

Merge branch 'main' of https://github.com/OutOfMystic/tetris-openenv

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Remove broken RUN import check from Dockerfile

Add import check in Dockerfile for debugging

Created using Colab

Training mode UI + single-char 60-action format

Force HF Space rebuild for /play route

Add playable Tetris web UI at /play

Created using Colab

Created using Colab

Add random horizontal position to prompts

Simplify prompts: empty board + random piece from seed

Fix prompt generation: realistic board states

Optimize notebook for A100 GPU

Switch to sequence-based training approach

Fix HF Spaces config: port 8000, base_path /web for OpenEnv web interface

Enable OpenEnv web interface

Created using Colab

Use local game engine for prompt generation and reward (no network latency)

Add .gitignore

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