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CONTINUITY.md

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Ledger Snapshot

  • Goal: Move micro-model (co-model) population management from the simulation agent level to the experiment agent level.
  • Constraints/Assumptions: Compile-time description hierarchy remains unchanged (micro-models are still children of ModelDescription for species lookup). Only the RUNTIME population storage/lookup changes.
  • Key decisions:
    1. Reverted all compile-time restructuring (ModelDescription visitors, addChild, ExperimentDescription).
    2. Made only 2 targeted runtime changes:
      • CreateStatement.findPopulation(): stores extern micro populations on scope.getExperiment() instead of executor (simulation agent).
      • GamlAgent.getPopulationFor(ISpecies): looks up extern micro populations from scope.getExperiment() instead of getSimulation().
  • State:
    • Done:
      • Reverted ModelDescription.addChild, visitMicroSpecies, visitChildren, visitOwnChildren, getMicroSpecies
      • Reverted ModelFactory to original model.addChildren(mm.values())
      • Reverted ExperimentDescription.visitMicroSpecies to return true
      • Changed CreateStatement.findPopulation() runtime target to experiment agent
      • Changed GamlAgent.getPopulationFor(ISpecies) runtime lookup to experiment agent
      • Fixed corrupted GamlAgent.java with clean rewrite
      • TypesManager idempotent addSpeciesType and VariableDescription null-safety still in place
      • All 3 modules build successfully (gama.api, gaml.compiler, gama.core)
    • Now: Awaiting user test
    • Next: Verify runtime behavior, clean up debug logs if any remain
  • Open questions: None
  • Working set:
    • /Users/hqnghi/git/gama/gama.core/src/gama/core/agent/GamlAgent.java
    • /Users/hqnghi/git/gama/gama.core/src/gama/gaml/statements/CreateStatement.java
    • /Users/hqnghi/git/gama/gaml.compiler/src/gaml/compiler/descriptions/ModelDescription.java
    • /Users/hqnghi/git/gama/gaml.compiler/src/gaml/compiler/factories/ModelFactory.java
    • /Users/hqnghi/git/gama/gaml.compiler/src/gaml/compiler/descriptions/ExperimentDescription.java
    • /Users/hqnghi/git/gama/gama.api/src/gama/api/gaml/types/TypesManager.java
    • /Users/hqnghi/git/gama/gaml.compiler/src/gaml/compiler/descriptions/VariableDescription.java
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