v0.6.16

Highlights

• Bumped Web UI and desktop package versions to 0.6.16.
• Added the 0.6.16 frontend changelog entry and localized changelog strings across all client locales.
• Updated the website Web UI version manifest with 0.6.16.
• Provider settings now preserve custom API modes, cover LongCat correctly, support deleting v12 provider entries, and keep model catalogs in sync with auth and API-key image providers.
• Chat commands now include reload-skills, web title updates, unknown slash passthrough, and a clean session context API without tool calls or tool results.
• Session navigation, file drag-and-drop uploads, symlinked skill discovery, packaged static asset delivery, Linux desktop viewport sizing, and live compression status rows were polished.
• Added outbound relay and MCU login flow support, plus a Web UI CLI --no-open flag.

Validation

• Release created from release/frontend-0.6.16-changelog at e8b994b.
• npm run openapi:generate
• npm run test -- tests/client/i18n-coverage.test.ts
• npm run harness:check
• git diff --check