Rename step texts to avoid case-sensitive conflicts between different step modules:
- edge_case_plan_steps.py: 'a Pydantic validation error' -> 'an Edge Case Pydantic validation error'
- plan_executor_coverage_boost_steps.py: 'the rollback result should be False' -> 'the executor rollback result should be False'
- plan_explain_steps.py: 'the json output should be valid json' -> 'the plan explain json output should be valid'
- plan_model_steps.py: 'I create a plan in strategize phase' -> 'I create a PlanModel in strategize phase'
- project_repository_steps.py: 'the remove result should be False' -> 'the project repo remove result should be False'
- service_retry_wiring_steps.py: 'I create a ServiceRetryWiring from those Settings' -> 'I create a ServiceRetryWiring from those retry Settings'
- session_model_steps.py: 'I get the session CLI dict' -> 'I get the session model CLI dict'
These pre-existing bugs prevented all behave tests from loading.
Fixes issue #3440: agents session show JSON output uses wrong field names and wrong data types.
- Add LinkedPlan value object with plan_id, phase, state fields
- Add automation field to Session domain model
- Rewrite as_cli_dict() with spec-compliant field names in session_summary wrapper
- Use 'text' key in recent_messages items
- Replace linked_plan_ids with linked_plans objects
- Format estimated_cost as string (e.g. '$0.0184')
- Update session show rich output with spec-compliant labels
- Update tests to assert new field names
ISSUES CLOSED: #3440
Co-authored-by: Jeffrey Phillips Freeman <the@jeffreyfreeman.me>
Co-committed-by: Jeffrey Phillips Freeman <the@jeffreyfreeman.me>
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