feat(cache): Smart caching strategy for dashboard & analytics (#127)#269
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dagangtj wants to merge 1 commit intorohitdash08:mainfrom
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feat(cache): Smart caching strategy for dashboard & analytics (#127)#269dagangtj wants to merge 1 commit intorohitdash08:mainfrom
dagangtj wants to merge 1 commit intorohitdash08:mainfrom
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…ash08#127) - InMemoryCache with LRU eviction and TTL support - SmartCache with auto-invalidation on data mutations - Redis backend support with memory fallback - TTL presets per data type (dashboard 2min, analytics 5min, etc.) - Invalidation map: expense/bill/category mutations clear related caches - Cache management API: stats, invalidate, clear - @cached decorator for route-level caching - 18 test cases
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Summary
Optimize performance with intelligent caching and automatic invalidation on data mutations.
Closes #127
Changes
Smart cache service:
packages/backend/app/services/smart_cache.py@cacheddecorator for route-level cachingcache_key()helper for consistent key generationCache API:
packages/backend/app/routes/cache.pyGET /cache/stats— cache hit rate and statsPOST /cache/invalidate— invalidate by eventPOST /cache/clear— clear all cacheTests: 18 test cases covering LRU, TTL, invalidation, API
Acceptance Criteria