What's Changed
- Scenario outline example column diagnostics with per-outline indexing by @leynos in #412
- Docs: ADR-005 harness adapters architecture & phase 9 roadmap by @leynos in #415
- ADR 006: fallible scenario functions and docs updates by @leynos in #417
- Roadmap: numeric heading restructuring (Phases 1–9) by @leynos in #419
- Suppress clippy used_underscore_binding for underscore-prefixed params by @leynos in #422
- Add fallible scenario bodies support and return-kind handling by @leynos in #425
- Refactor execute_step to propagate errors via ExecutionError by @leynos in #421
- Implement true async step execution with per-step mode by @leynos in #423
- Improve panic hook to show error details by @leynos in #426
- Remove NotCompiled PlaceholderError variant and simplify regex access by @leynos in #429
- Add stable async step wrapper helpers by @leynos in #431
- Document cross-scenario state management by @leynos in #430
- v0.5.0 migration documentation by @leynos in #432
Full Changelog: v0.4.0...v0.5.0