Engine resolver does exact strcmp on dep versions, so consumer manifests
must pin the new lib-core.panel 0.4.0 to keep load-time resolution green.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Track lib-core.panel v0.2.0 (multi-active panels with layout-slots).
No behavioral change in this consumer — the v0.1.1 call sites remain
compatible via the panel framework's bw-compat shim.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>