Steven 61dbca8dc2 fix: prevent browser cache from serving stale memo data (#5470) ... This fixes a critical data loss issue where users editing the same memo on multiple devices would overwrite each other's changes due to aggressive browser caching, particularly in Chromium-based browsers and PWAs. Changes: - Backend: Add Cache-Control headers to all API responses to prevent browser HTTP caching - Frontend: Force fresh fetch from server when opening memo editor by invalidating React Query cache - Frontend: Reduce memo query staleTime from 60s to 10s for better collaborative editing support Fixes #5470		2026-01-13 20:55:21 +08:00
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v1	fix: prevent browser cache from serving stale memo data (#5470)	2026-01-13 20:55:21 +08:00