Florian 7b0ba7de10 Improved database connection and logging:
Robust ping/reconnect: get_db() now retries ping multiple times and safely recreates the pool once per request.
Healthcheck thread: background daemon periodically pings connections and recreates the pool if needed.
Logging improvements: early pool creation and healthcheck logs appear via proper logger setup.
2025-10-12 11:50:13 +02:00
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