After #30632 embedded v2 session runtime and tool foundation, the DB migrate break.

[Eric-Guo]

Description

DB migrate break after #30632

OpenCode version

dev

Steps to reproduce

Just start opencode and you will got blank screen for ever.

Operating System

macOS

Terminal

Ghostty

[Eric-Guo]

Confirm at #30632 (comment) by anomaly member

[opencode-agent]

Completed by #30728 (fix(core): reset pre-launch session projections), merged as caea9300741. The migration now handles pre-durable beta projections instead of rejecting startup with the reported error. Closing as completed.