Replace .ToArray() with collection spread, simplify single-statement
await using blocks, use Lock for Postgres schema gates, and document
IDE0063/IDE0305/IDE0330/CA1859 conventions in csharp-style.md.
Apply completionRewardBundle.reputationGrants via ReputationOperations with
compensating rollback; thread faction stores through quest wiring; add operator
chain Bruno helper and grid-contract accept success; update README and E7.M3 docs.