Nightly build 2025.02.04

What's Changed

Toolchain and implementation changes 🛠️

• Use designated initializers in import.cpp by @bricknerb in #4883
• Expose currently-silent failure in language server by @jonmeow in #4879
• When diagnosing name used before declared, set the location of the usage by @bricknerb in #4860

Infrastructure changes 🏗️

• Remove legacy migration prototype by @jonmeow in #4887

Full Changelog: v0.0.0-0.nightly.2025.02.02...v0.0.0-0.nightly.2025.02.04