Merge branch 'worktree-clickhouse-phase2'

The jdbcTemplate() method was calling dataSource(properties) directly,
creating a new DataSource instance instead of using the Spring-managed
@Primary bean. This caused some repositories to receive the ClickHouse
connection instead of PostgreSQL.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

cameleer3-server-app/src/main/java/com/cameleer3/server/app/config/ClickHouseConfig.java

@@ -29,8 +29,8 @@ public class ClickHouseConfig {
 
     @Bean
     @Primary
-    public JdbcTemplate jdbcTemplate(DataSourceProperties properties) {
-        return new JdbcTemplate(dataSource(properties));
+    public JdbcTemplate jdbcTemplate(@Qualifier("dataSource") DataSource dataSource) {
+        return new JdbcTemplate(dataSource);
     }
 
     @Bean(name = "clickHouseDataSource")