Convert alternatives_considered list of strings to structured objects with
index (1-based), description, and chosen fields in _build_explain_dict().
Rename output field from alternatives_considered to alternatives.
Update BDD tests in plan_explain.feature, plan_explain_cli_coverage.feature,
and plan_explain_steps.py to validate the new structured format.
Closes#9166
- Remove global _PLAN_ID; generate per-step plan IDs on context (#8)
- Fix sham orphan test; build children_map from all decisions (#1)
- Delete dead constants; use _PATCH_RESUME_SVC_MOD in resume steps (#2)
- Remove dead _resolve_active_plan_id mock from _invoke_correct (#5)
- Make --mode/--guidance required Typer options (#3)
- Show alternatives by default; remove --show-alternatives flag (#4)
- Strengthen weak assertions on depth-limit and show-superseded (#6)
- Add negative assertions for error type conflation (#7)
ISSUES CLOSED: #174
Cover CLI-level code paths for plan explain, tree, correct, resume,
revert, and read-only guards that were unreached by existing unit tests.
Raises plan.py diff-coverage from 69% to 99.7% (1 line remaining).
HAL9000
khyari hamza