ef5cbef51f
- Removed ExitPlanModeTool and deleted exit-plan-mode docs/tests, dropping the old approval contract outputs. - Replaced plan-mode approval flow from exit_plan_mode to resolve across session, SDK, controllers, and discovery. - Added standing resolve handler accessors and updated resolve routing for queued or standing approval handlers. - Added PlanApprovalDetails and enforced normalized, validated approval titles with readable plan-file requirements. - Extended resolve schema and invocation signatures with optional extra metadata and reason trimming behavior updates. - Updated plan and resolve prompts and changelog guidance to require resolve action, reason, and extra.title for apply/discard.