v1.6.4

本次更新

• 93dbf09 chore(release): bump version to 1.6.4

• 78f4798 feat(reports): open single-card learning details

Make completed daily-report card entries open their learning details, including practice history and answer feedback.

• d8eba31 feat(review): add extra first-study sessions

Allow completed first-study plans to append one unplanned new card at a time, include it in today's progress, and invalidate completed reports until the added task is finished.

• 8590b2e fix(review): sync guided queues after plan restart

Read first-study and due-review progress from today's generated tasks, and discard cached review sessions after restarting the plan.

• eb60711 fix(desktop): honor Windows system proxy

Resolve the Electron system proxy before starting the Next utility process so diagnostics, AI requests, and model downloads use the configured Windows network route.