docs(release): draft GitHub release notes for v0.1.0-v0.1.2

Author: biru-codeastromer

docs/releases/v0.1.0.md

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+# WorldModel Gym v0.1.0
+
+Initial public release of the WorldModel Gym benchmark platform.
+
+## Highlights
+- Added three procedural long-horizon benchmark environments:
+  - `MemoryMaze` (key-door sparse-reward POMDP)
+  - `SwitchQuest` (hidden-order switch chaining)
+  - `CraftLite` (resource/crafting dependency graph)
+- Added dual observation modes (`rgb`, `symbolic`, `both`) and stable semantic episode traces.
+- Added deterministic evaluation harness with train/test seed tracks and continual-shift track.
+- Added metrics pipeline:
+  - `success_rate`, `mean_return`, `median_steps_to_success`
+  - achievement completion counts
+  - planning cost (`wall_clock_ms_per_step`, imagined transitions, peak memory)
+  - model fidelity (k-step reward prediction error)
+  - generalization gap and continual transfer metrics
+- Added planners:
+  - MCTS with simulation/depth budgets and tree diagnostics
+  - MPC-CEM with population/iteration/horizon budgets and score distributions
+- Added baseline agent suite:
+  - random, greedy-oracle, planner-only oracle
+  - imagination agent (online world model + MPC)
+  - search MCTS skeleton
+  - model-free PPO placeholder API
+- Added world model baselines:
+  - deterministic latent model
+  - stochastic latent model (RSSM-style simplified)
+  - ensemble wrapper for uncertainty proxy
+- Added backend platform:
+  - FastAPI runs API and uploads
+  - SQLite persistence via SQLAlchemy
+  - leaderboard/task/run endpoints
+- Added UI clients:
+  - Next.js dashboard (home/tasks/leaderboard/run viewer)
+  - Expo mobile viewer (tasks/leaderboard/run summary)
+- Added reproducibility stack:
+  - Dockerfiles and `docker-compose`
+  - CI workflow and pre-commit gates
+  - `Makefile` automation for setup/lint/test/demo/paper
+- Added paper artifacts:
+  - imported draft PDF
+  - LaTeX manuscript + BibTeX references
+
+## Validation
+- `make lint` passes.
+- `make test` passes.
+- `make demo` runs benchmark + upload flow.
+- `make paper` builds paper PDF (with fallback build path when TeX toolchain is unavailable).
+
+## Breaking Changes
+- None (first public release).

docs/releases/v0.1.1.md

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+# WorldModel Gym v0.1.1
+
+Documentation and release polish update.
+
+## Added
+- Added release manifest at `docs/RELEASES.md`.
+
+## Changed
+- No runtime code-path changes from `v0.1.0`.
+
+## Breaking Changes
+- None.

docs/releases/v0.1.2.md

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+# WorldModel Gym v0.1.2
+
+Paper reference expansion update.
+
+## Added
+- Extended LaTeX bibliography with additional continual-learning references.
+
+## Changed
+- Updated manuscript citations in `paper/worldmodelgym.tex`.
+
+## Breaking Changes
+- None.