v1.15.0

1.15.0 (2026-09-12)

Features

• storage: reconcile columns on upgrade, add real-Postgres tests and CI (a89efe5)
• storage: ship a SQL storage layer with sqlite and postgres drivers (1792642)
• storage: 内置 SQL 存储层，支持 sqlite 与 postgres (dfb55b8)

Bug Fixes

• storage: close two initialisation and shutdown races found in review (c20816a)

Performance Improvements

• history: walk the parent chain in one query; add cross-engine migration (ee9a2b9)