v0.3.8

Changelog

• 40e1a89 feat(web): fuzzy search with highlighted match snippets
• 0ab03e6 feat(web): idle auto-lock + in-browser unlock
• a7df806 feat(web): mode-switch button + /api/mode tests
• 3f7db8c feat(web): theme picker + account detail panel
• 2c4b925 fix(cli): import dedupe, gui install prompt, rename gui_wire.go
• 611ac28 fix(core): vault hardening — ErrLocked, single-conn SQLite, rekey backup
• 0218658 fix(web): anchor theme popover directly under the theme button
• a52b995 fix(web): persist theme across GUI restarts via server-side prefs
• 1fd37cd fix(web): reject blank passwords and require confirm match on /api/mode