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.gitignore

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+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   with no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# VS Code
+.vscode/
+
+# Project specific
+roots.sst

CONTRIBUTING.md

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+# Contributing
+
+This repository is a reference implementation intended to remain small, deterministic, and auditable.
+
+## Bug Reports
+
+- Include the exact command you ran and the full stdout/stderr.
+- Include your Python version (`python --version`) and OS.
+- If determinism breaks, include the differing hashes and inputs.
+
+## Development
+
+Run checks:
+
+```bash
+python -m compileall -q .
+python test_suite.py
+```
+
+Optional GUI:
+
+```bash
+python -m pip install -r requirements-gui.txt
+streamlit run demo_gui_dev.py
+```
+
+## Pull Requests
+
+- Keep changes minimal and focused.
+- Avoid adding new dependencies unless necessary.
+- Preserve deterministic behavior: no ambient randomness, no hidden state, no time-based logic.

README.md

@@ -1,19 +1,3 @@
-
----
-title: Deterministic Governance Demo
-emoji: 🔬
-colorFrom: green
-colorTo: blue
-sdk: streamlit
-sdk_version: 1.32.0
-app_file: app.py
-pinned: false
-license: mit
----
-
-
-
-
 # Deterministic Governance Mechanism
 
 Probabilistic systems cannot be audited. If a decision changes between runs with identical inputs, the reasoning chain is non-reproducible, and post-hoc explanation is speculation.
@@ -64,6 +48,32 @@ The system implements:
 
 All arithmetic is in code. No learned parameters. No hidden state.
 
+## Quick Start
+
+```bash
+git clone https://github.com/Rymley/Deterministic-Governance-Mechanism
+cd Deterministic-Governance-Mechanism
+pip install -r requirements.txt
+python exclusion_demo.py
+```
+
+**Prove determinism:**
+```bash
+python exclusion_demo.py replay
+# Runs 5 times - prints identical SHA-256 hashes
+```
+
+**Compare modes:**
+```bash
+python exclusion_demo.py compare
+# Shows behavioral differences across elastic modulus modes
+```
+
+**Run full test suite:**
+```bash
+python test_suite.py
+# 14 mechanical tests verifying invariants
+```
 
 ## What This Is
 
@@ -137,18 +147,3 @@ See [LICENSE](LICENSE) for full terms.
 **Try to break the invariant. If you do, file an issue.**
 
 *An invitation to treat inference as mechanics rather than chance.*
-
-# Deterministic Exclusion Demo
-
-Material-Field Engine with LLM Guardrails
-
-## Features
-- Real-time deterministic governance visualization
-- Multi-provider LLM testing (OpenAI, Anthropic, Ollama)
-- Interactive physics parameter tuning
-- Complete audit trail with cryptographic hashes
-
-## Usage
-The Space will launch automatically. Configure parameters in the sidebar and run tests.
-
-For API testing (Tab 3), you'll need to provide your own API keys for commercial providers.

requirements.txt

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-# No runtime dependencies (stdlib only).
+streamlit>=1.30.0
+plotly>=5.18.0
+pandas>=2.0.0
+requests>=2.31.0
+numpy>=1.24.0