v1.2.0: Documentation & Export Fixes

Added

• Documentation update — new user guide pages for previously undocumented features:
  • Phase space analysis tools (TimeDelayEmbedding, mutual_information, Cao's method)
  • Stochastic CTMC models (Gillespie SSA, replicate methods, quantile bands)
  • VFGen XML exporter for external tool interoperability
• SIR1D model added to documentation and export list
• LogLikelihood loss function documented in fitting guide
• InitialConditionSpec usage section added to fitting docs
• Updated validation system docs to reflect implemented symbolic analysis features

Fixed

• Added SISLogistic, SIRSNonAutonomous, NeipelHeterogeneousSIR to continuous/__init__.py __all__

New Documentation Pages

• docs/phase_space.rst
• docs/stochastic.rst
• docs/exporters.rst