chore(main): release 1.6.0

[pythoninthegrass]

🤖 I have created a release beep boop

1.6.0 (2026-05-04)

Features

• add queue_play_context_query and find_track_offset backend commands (7ccfbb6)
• library: add SWR snapshot to visibleTracks to eliminate blank viewport during scroll (task-334 option A) (527bbef)

Bug Fixes

• frontend: repair queue drag reorder and reduce snap aggressiveness (c89e1cb)
• queue: add HTTP fallback path to playContextQuery and mock route (1784832)
• remove spurious async from playContextQuery in queue.js (task-338) (cca91c7)
• resolve six WebKit Playwright regressions (task-339) (e81d947)
• use backend query for paginated double-click play and scroll-to-track (f8f5a3a)

Performance Improvements

• tests: tune Playwright for speed via preview build and worker fixture (task-340.7) (89fda02)

---

This PR was generated with Release Please. See documentation.

[pythoninthegrass]

🤖 Created releases:

• v1.6.0

🌻