Claude 1aa0887fa9 Implement database connection initialization ... - Created DatabaseManager class in config package to manage database connections - Implemented singleton pattern with JPA EntityManagerFactory and HikariCP connection pooling - Initialized database connection in MediaManagerApplication on startup - Added proper shutdown cleanup for database resources in shutdown hook - Uncommented Media entity class in persistence.xml to enable JPA mapping - Resolved TODO: Initialize database connection (MediaManagerApplication.java:21)		2025-11-23 19:30:42 +00:00
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main	Implement database connection initialization	2025-11-23 19:30:42 +00:00