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Scripting
=========
Classes for Rhai scripting integration and criteria verification.
Script Engine
-------------
.. py:class:: ScriptEngine
Rhai script execution engine.
.. py:method:: run_script_file(path, context)
Run a Rhai script from file.
:param path: Path to .rhai script file
:type path: str
:param context: Data context for the script
:type context: CriteriaContext
:returns: Verification result
:rtype: CriteriaResult
:raises ValueError: If script execution fails
.. py:method:: run_script(script, context)
Run a Rhai script from string.
:param script: Rhai script content
:type script: str
:param context: Data context for the script
:type context: CriteriaContext
:returns: Verification result
:rtype: CriteriaResult
Criteria Context
----------------
.. py:class:: CriteriaContext
Context for Rhai scripts, wrapping stability results.
.. py:staticmethod:: from_result(result, vessel_name, loading_condition)
Create a context from a CompleteStabilityResult.
:param result: The stability calculation result
:type result: CompleteStabilityResult
:param vessel_name: Name of the vessel
:type vessel_name: str
:param loading_condition: Description of loading condition
:type loading_condition: str
:rtype: CriteriaContext
.. py:method:: set_param(key, value)
Set a parameter accessible to the script.
:param key: Parameter name
:type key: str
:param value: Parameter value (str, float, or bool)
:type value: Union[str, float, bool]
.. py:method:: get_first_flooding_angle()
Get the first angle where downflooding occurs.
:returns: Angle in degrees or None
:rtype: Optional[float]
.. py:method:: find_equilibrium_angle(heeling_arm)
Find the first stable equilibrium angle (where GZ = heeling_arm).
:param heeling_arm: Heeling arm lever in meters
:type heeling_arm: float
:returns: Angle in degrees or None
:rtype: Optional[float]
.. py:method:: find_second_intercept(heeling_arm)
Find the second intercept angle (unstable equilibrium).
:param heeling_arm: Heeling arm lever in meters
:type heeling_arm: float
:returns: Angle in degrees or None
:rtype: Optional[float]
Criteria Result
---------------
.. py:class:: CriteriaResult
Result of a criteria verification script.
.. py:attribute:: overall_pass
:type: bool
Whether all criteria passed.
.. py:attribute:: pass_count
:type: int
Number of passing criteria.
.. py:attribute:: fail_count
:type: int
Number of failing criteria.
.. py:attribute:: criteria
:type: list[CriterionResult]
List of individual criterion results.
.. py:attribute:: plots
:type: list[str]
List of plots data as JSON strings.
Criterion Result
----------------
.. py:class:: CriterionResult
Result of a single criterion check.
.. py:attribute:: name
:type: str
.. py:attribute:: status
:type: str
'PASS', 'FAIL', 'WARN', or 'N/A'.
.. py:attribute:: actual_value
:type: float
.. py:attribute:: required_value
:type: float
.. py:attribute:: unit
:type: str
.. py:attribute:: margin
:type: float
.. py:attribute:: notes
:type: str
.. py:attribute:: plot_id
:type: str
ID of the associated plot, if any.