v0.12.4

Changelog

• 0481d30 Add transparent backgrounds and reorganize TUI settings (#767)
• 4ef7f4b Harden command API, shutdown, and batch download handling (#735)
• 718e1e6 Polish TUI themes, navigation, and category management (#760)
• 0692b61 chore(deps): bump github.com/gen2brain/beeep from 0.11.2 to 0.11.3 (#737)
• 8e4f957 chore(deps-dev): bump @types/node from 26.6.3 to 26.6.5 in /extension (#738)
• 1e2099a chore(deps-dev): bump @typescript-eslint/parser in /extension (#740)
• c6cd85a chore(deps-dev): bump eslint from 10.11.0 to 10.13.0 in /extension (#742)
• ea538be chore(deps-dev): bump typescript-eslint in /extension (#739)
• 1eb3ed9 feat : HTTP API expansion for parity with core DownloadService (#710)
• 95c908d feat(cli): add bounded terminal progress and truthful transfer metrics (#762)
• 7198cd6 feat(cli): add verified foreground downloads and artifact receipts (#761)
• 20d4d68 feat(cli): define versioned results and typed error contracts (#753)
• 0622352 feat(cli): return per-input download submission receipts (#754)
• 6a49211 feat(nix): install official releases and automate updates (#752)
• 9de4cfa fix(cli): make listing authoritative and watch output terminal-safe (#755)
• c4898c3 fix(events): isolate slow observers from lifecycle delivery (#756)
• 249b6b3 fix(nix): refresh vendor hash and correct version flag (#750)
• f805da4 fix(tui): label completion estimate as ETC (#732)
• ca6a36d fix(windows): scope service logon task to current user (#747)
• b51d326 fix: enforce single-owner invariant for same-ID downloads (#722)
• b8f518a fix: use non-deprecated postflight_steps in generated Homebrew cask (#748)
• 81aa7b1 perf(cli): defer engine and local state initialization (#757)