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ClickHouse is the only storage backend — there is no alternative. The enabled flag created a false sense of optionality: setting it to false would crash on startup because most beans unconditionally depend on the ClickHouse JdbcTemplate. Remove all @ConditionalOnProperty annotations gating ClickHouse beans, the enabled property from application.yml, and the K8s manifest entry. Also fix old property names in AbstractPostgresIT test config. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>