v0.2.0

What's Changed

• feat: MaintenanceWindow model + fifth provider interface (1/2) by @davetashner in #49
• feat: maintenance-window suppression in scoring (2/2) by @davetashner in #50
• feat: off-hours burden evidence by @davetashner in #51
• feat: alertlint calibrate — constants from a real corpus by @davetashner in #52
• feat: run observability — per-source pull summaries by @davetashner in #53
• feat: skill eval harness with graded acceptance scenario by @davetashner in #54
• feat: shared-monitor attribution — ADR 0006 + implementation by @davetashner in #55

Full Changelog: v0.1.0...v0.2.0