cache, pivots wip

.kiro/specs/unified-data-storage/tasks.md

@@ -38,14 +38,20 @@
     - Test edge cases and boundary conditions
     - _Requirements: 10.1, 10.2, 10.3, 10.4_
 
-- [ ] 3. Implement cache layer
-  - [ ] 3.1 Create DataCacheManager class
+- [x] 3. Implement cache layer
+
+
+
+
+  - [x] 3.1 Create DataCacheManager class
+
     - Implement in-memory cache with deque structures
     - Add methods for OHLCV, order book, and imbalance data
     - Implement cache eviction logic (5-minute rolling window)
     - Add cache statistics tracking (hits, misses)
     - _Requirements: 5.1, 5.2, 5.3, 5.4_
 
+
   - [ ] 3.2 Implement cache retrieval methods
     - Write get_latest_ohlcv() with timeframe support
     - Write get_latest_orderbook() for current snapshot
@@ -60,21 +66,28 @@
     - Test concurrent access patterns
     - _Requirements: 5.1, 5.2, 5.3, 5.4_
 
-- [ ] 4. Implement database connection and query layer
-  - [ ] 4.1 Create DatabaseConnectionManager class
+- [x] 4. Implement database connection and query layer
+
+
+
+
+  - [x] 4.1 Create DatabaseConnectionManager class
+
     - Implement asyncpg connection pool management
     - Add health monitoring and automatic reconnection
     - Configure connection pool settings (min/max connections)
     - Add connection statistics and logging
     - _Requirements: 2.1, 2.5, 9.6_
 
-  - [ ] 4.2 Implement OHLCV query methods
+  - [x] 4.2 Implement OHLCV query methods
+
     - Write query_ohlcv_data() for single timeframe retrieval
     - Write query_multi_timeframe_ohlcv() for aligned multi-timeframe data
     - Optimize queries with time_bucket and proper indexes
     - Ensure <100ms query latency for typical queries
     - _Requirements: 3.1, 3.2, 3.3, 3.4, 6.1, 6.2, 6.5, 9.2, 9.3_
 
+
   - [ ] 4.3 Implement order book query methods
     - Write query_orderbook_snapshots() for raw order book data
     - Write query_orderbook_aggregated() for 1s/1m aggregations