Citadel v0.5.0-nightly.20260614.110

Automated nightly release.

Includes updater metadata (latest.json) for Tauri updater clients.

What's Changed

• Empty states that teach for Books and Authors by @phildenhoff in #118
• chore(libcalibre): delete dead api.rs by @phildenhoff in #126
• docs: drop Node from dev prerequisites by @phildenhoff in #127

Full Changelog: v0.5.0-nightly.20260613.109...v0.5.0-nightly.20260614.110