Moved the comment about updating electron Gibbs functions inside the loop to accurately reflect where the update occurs.

Implemented cp_mole, cp_mole_e, cp_mass_e, cv_mole_e, cv_mass_e, cp_mole_h, cp_mass_h, cv_mole_h, and cv_mass_h methods in PlasmaPhase to separately compute specific heat capacities for electrons and heavy species. Updated the header and source files with method definitions and detailed documentation for each new function.

Introduced meanTemperature() to compute the mole-fraction-weighted average temperature of electrons and heavy species in the plasma phase. Overrode pressure() to use the mean temperature in pressure calculations, and updated setPressure() to set density based on the mean temperature.

Reorganizes and documents the PlasmaPhase class. Improves Doxygen comments, groups related methods, and adds stubs for unimplemented thermodynamic properties. No new codes, only reorganization and minor updates on comments.

Add full stop at the end of some comment, and change from parenthesis to bracket

Grouped and reordered method declarations in PlasmaPhase.h for partial molar, standard state, and reference state properties. Added and commented out several method overrides, that comes from the IdealGasPhase.

Reorganizes the PlasmaPhase class implementation by grouping related methods into clearly marked sections, improving code readability and maintainability. Moves and consolidates overridden methods, adds section comments. No functional changes are introduced.

Clarified the documentation for overridden methods in PlasmaPhase, specifying that methods are overridden from IdealGasPhase or ThermoPhase and adding a Doxygen group marker.

Added Doxygen-style comments and grouping for electron species information methods in PlasmaPhase.h to improve code documentation and organization.

Added detailed documentation for getStandardChemPotentials and getGibbs_ref in PlasmaPhase, clarifying their behavior for heavy species and electrons.

Updated getStandardChemPotentials implementation to:
- correctly evaluate getGibbs_ref using the electron temperature.
- use total pressure instead of electron pressure.

There is no need to subtract the electron pressure instead of the total pressure (cf. previous commit, where the pressure has been defined including the electron temperature)

The getPartialMolarEntropies method in PlasmaPhase.cpp has been commented out. No need to correct for electron pressure.

Updated Doxygen comments in PlasmaPhase.h to use consistent notation (\overline{T} instead of \bar{T}), clarified units for variables in equations, and improved descriptions for several methods.
Also commented out the getPartialMolarEntropies method override (cf. previous commit).

Replaced calls to the m_Me() function with the m_Me member variable in cp_mass_e() and cv_mass_e() methods to ensure correct calculation of electron-specific heat capacities.

Commented out the entropy_mole, gibbs_mole, and intEnergy_mole overrides in PlasmaPhase, removing their NotImplementedError stubs. Now that pressure is defined, it should work as expected

Introduced new properties to ThermoPhase for accessing electron and heavy species heat capacities (cp/cv, mole/mass) and mean plasma temperature. These properties are only available when plasma mode is enabled and provide more detailed thermodynamic information for plasma phases.

Changed the setState_TD method in the Phase class to be virtual, allowing derived classes to override this method for custom behavior.

Introduces new methods to set the thermodynamic state of PlasmaPhase, including setState_TP, setState_TgTeP, setState_TD, and setState_TgTeD, supporting both gas and electron temperatures. Also adds explicit NotImplementedError exceptions for unsupported state-setting methods and improves documentation and member variable comments for clarity.

Changed the plasma test phase from 'discretized-electron-energy-plasma' to 'isotropic-electron-energy-plasma'. Updated known failures to only include unsupported 'setState_SV' in PlasmaPhase and added a note clarifying the assumption that electron temperature equals gas temperature in test cases.

Updates the test setup to assume electron temperature (Te) equals the bulk temperature (T) in all test cases. For plasma phases, explicitly sets Te and resets the state to ensure consistency.
Before, the electron temperature was not set?

Implements PlasmaPhase::setState to allow setting the phase state from an AnyMap with flexible property keys and units. This method supports various synonyms for gas temperature, electron temperature, pressure, density, and composition, improving usability and integration with input files.

Simplifies the pressure() method in PlasmaPhase to use the multi-temperature ideal gas law with mean temperature and density, removing the previous adjustment for electron temperature and concentration.

Introduced a new plasma test case in consistency-cases.yaml where the electron temperature (Te) is set to a value different from the gas temperature (T) to test handling of non-equilibrium conditions.
Now, tests are not passing.

Added implementations for standardConcentration, getPartialMolarVolumes, and getStandardVolumes in PlasmaPhase to properly handle multi-temperature plasma phases. Also added stubs for thermalExpansionCoeff and soundSpeed with NotImplementedError, and updated documentation to clarify temperature usage in these calculations.

Listed additional known failures in the plasma test cases for differential methods that are not yet implemented for two-temperature systems. This clarifies current test expectations and documents unimplemented features.

Update consistency tests to correctly handle two-temperature plasma models by distinguishing between electron and heavy species temperatures in relevant thermodynamic relations. Adjust tests for Gibbs energy, enthalpy, entropy, and heat capacity to account for electron temperature where appropriate.
All consistency tests passed.

Introduced TgTeP and TgTeD properties to the ThermoPhase class for getting and setting gas temperature, electron temperature, and pressure or density, respectively. Updated the Cython interface to expose setState_TgTeP and setState_TgTeD methods. Added corresponding tests to verify correct behavior.

… of PlasmaPhase.h

Update docstrings for getPartialMolarEnthalpies, getPartialMolarVolumes, getPartialMolarEntropies, and getPartialMolarCp. The last two are not overriden, since there is no need for it.

Also add a comment for 5 methods, for why we don't need to override them.

Without `.resolve()` on Windows, it can lead to error.

Check that cp and h are correctly computed, even if the electron temperature is not the same as the gas temperature

Some tests are failing for 2-temperature systems, when Te!=Tg

Remove numerous setState_XY overloads from PlasmaPhase.h that previously threw NotImplementedError (e.g., setState_HP, setState_UV, setState_SV, etc.).