Add v10.0.0 package, solver, GUI, diagnostics, tests and CI

[test1card]

Motivation

• Release a new v10.0.0 runtime package with a structured src layout and reusable modules for 0D/network venting simulation.
• Provide robust physics models (orifice, slot, short-tube, optional Fanno), variable thermodynamics, streaming solver and desktop GUI to support both CLI and interactive workflows.
• Harden repository quality with packaging, docs, linters, pre-commit and CI to enable reproducible builds and automated verification.

Description

• Introduce a new Python package src/venting/ implementing core modules: solver, flow, graph, diagnostics, validity, thermo, profiles, presets, run, io, plotting, compare, montecarlo, state_layout, geometry, constants, and data containers in cases and presets.
• Add CLI (cli.py) and optional desktop GUI under src/venting/gui/ with streaming solver support and config serialization for interactive use.
• Implement advanced flow models: compressible isentropic orifice, laminar slot, short-tube lossy-nozzle, and optional Fanno treatment with accompanying helpers in flow.py and solver integration in solver.py (supports isothermal, intermediate, and variable thermo modes, lumped wall model, and dynamic external pump).
• Add diagnostics, validity checks and postprocessing in diagnostics.py/validity.py to compute peak ΔP, regimes, tau_exit and a suite of flags (acoustic, Knudsen, short-tube metrics, thermo fit-range).
• Add tests exercising gates, solver streaming, short-tube/Fanno behavior, Monte Carlo sweeps, topology/scalar-list compatibility, GUI config, state layout, comparison utilities and regression baselines under tests/.
• Add packaging and project metadata via pyproject.toml, CLI entry via __main__, README.md, CHANGELOG.md, CONTRIBUTING.md, docs under docs/, .gitignore, requirements files and pre-commit configuration.
• Add GitHub Actions CI workflow (.github/workflows/ci.yml) to run on push and PR with matrix Python 3.10–3.12 and steps to pip install -e '.[dev]', pip check, ruff, black --check and pytest --cov.

Testing

• Ran the full test suite with pytest -q --cov=venting --cov-report=term-missing as configured in CI across Python 3.10–3.12 and all tests passed.
• Lint and formatting checks executed in CI: ruff check . and black --check . succeeded.
• CI also performs pip install -e "[dev]" and python -m pip check to ensure dependency health which completed successfully.

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