Refactor wallet_tracker to stabilize Etherscan API, add DB pooling and retry logic#2

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refactor-wallet-tracker-fix-etherscan-notok-retries-db-pool-config-validation

Commits on Dec 6, 2025

refactor(wallet_tracker): stabilize Etherscan API handling, add DB pooling, retry strategy, and startup configuration validation
cto-new[bot]
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refactor(wallet_tracker): stabilize API, pooling, retry, config
cto-new[bot]
committed