constraints.yaml

backward_compatibility:
  atomic_routing: "must remain completely unaffected"
  existing_tests: "all 2628 tests must pass without modification"
  api_contracts: "no breaking changes to existing interfaces"

configuration:
  story_learning:
    enabled_flag: "story_learning_enabled: true"
    default_state: false
    opt_in_required: true

technical_constraints:
  python_version: "3.12+"
  pydantic_version: "v2"
  new_dependencies: "strictly prohibited"
  frozen_models: "constraint must be maintained"

data_handling:
  privacy: "story data retention must respect user privacy rights"
  storage: "efficient storage patterns for multi-step narratives required"
  consistency: "Chronicler and StoryCollector must maintain state agreement"

performance:
  existing_performance: "atomic task performance must not degrade"
  story_overhead: "story learning overhead must be minimal when disabled"
  memory_usage: "efficient memory management for long stories required"