Note

Medium Risk
Touches portfolio history lookups, MDW block/tx syncing, and token holder refresh flows; behavior changes (name resolution, retry scheduling, fail-fast on DB pool issues) could affect production indexing and background jobs if edge cases are missed.

Overview
Improves portfolio history lookups by resolving AENS-style names (e.g. *.chain) to an ak_ pubkey before balance/PNL queries, with a safe fallback to the raw input when resolution fails.

Adds structured database connectivity/pool issue logging via new runWithDatabaseIssueLogging helpers and applies it across historical price saves, MDW block/microblock/transaction syncing, and token-eligibility refresh; additionally updates BlockSyncService to fail fast on connection/pool errors in bulk upsert instead of falling back to repository.save.

Tightens token-related robustness: SyncTokenHoldersQueue now schedules delayed retries on RetryableTokenHoldersSyncError (emitted for contract-not-ready cases), token creation paths switch to upsert to reduce duplicate-key races, and GET :address/holders now returns 404 when the token is missing.

Tweaks CoinGecko market caching by increasing the default soft-TTL for cached market data to 3 minutes (with tests added/updated).

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