feat(clickhouse): wire Phase 4 stores with feature flags

Add conditional beans for ClickHouseDiagramStore, ClickHouseAgentEventRepository,
and ClickHouseLogStore. All default to ClickHouse (matchIfMissing=true).
PG/OS stores activate only when explicitly configured.

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

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

@@ -1,5 +1,8 @@
 package com.cameleer3.server.app.config;
 
+import com.cameleer3.server.app.search.ClickHouseLogStore;
+import com.cameleer3.server.app.storage.ClickHouseAgentEventRepository;
+import com.cameleer3.server.app.storage.ClickHouseDiagramStore;
 import com.cameleer3.server.app.storage.ClickHouseMetricsQueryStore;
 import com.cameleer3.server.app.storage.ClickHouseMetricsStore;
 import com.cameleer3.server.app.storage.ClickHouseStatsStore;
@@ -7,6 +10,7 @@ import com.cameleer3.server.app.storage.PostgresMetricsQueryStore;
 import com.cameleer3.server.app.storage.PostgresMetricsStore;
 import com.cameleer3.server.core.admin.AuditRepository;
 import com.cameleer3.server.core.admin.AuditService;
+import com.cameleer3.server.core.agent.AgentEventRepository;
 import com.cameleer3.server.core.detail.DetailService;
 import com.cameleer3.server.core.indexing.SearchIndexer;
 import com.cameleer3.server.app.ingestion.ExecutionFlushScheduler;
@@ -17,6 +21,7 @@ import com.cameleer3.server.core.ingestion.IngestionService;
 import com.cameleer3.server.core.ingestion.MergedExecution;
 import com.cameleer3.server.core.ingestion.WriteBuffer;
 import com.cameleer3.server.core.storage.*;
+import com.cameleer3.server.core.storage.LogIndex;
 import com.cameleer3.server.core.storage.StatsStore;
 import com.cameleer3.server.core.storage.model.MetricsSnapshot;
 import org.springframework.beans.factory.annotation.Qualifier;
@@ -129,4 +134,31 @@ public class StorageBeanConfig {
             @Qualifier("clickHouseJdbcTemplate") JdbcTemplate clickHouseJdbc) {
         return new ClickHouseStatsStore(clickHouseJdbc);
     }
+
+    // ── ClickHouse Diagram Store ──────────────────────────────────────
+
+    @Bean
+    @ConditionalOnProperty(name = "cameleer.storage.diagrams", havingValue = "clickhouse", matchIfMissing = true)
+    public DiagramStore clickHouseDiagramStore(
+            @Qualifier("clickHouseJdbcTemplate") JdbcTemplate clickHouseJdbc) {
+        return new ClickHouseDiagramStore(clickHouseJdbc);
+    }
+
+    // ── ClickHouse Agent Event Repository ─────────────────────────────
+
+    @Bean
+    @ConditionalOnProperty(name = "cameleer.storage.events", havingValue = "clickhouse", matchIfMissing = true)
+    public AgentEventRepository clickHouseAgentEventRepository(
+            @Qualifier("clickHouseJdbcTemplate") JdbcTemplate clickHouseJdbc) {
+        return new ClickHouseAgentEventRepository(clickHouseJdbc);
+    }
+
+    // ── ClickHouse Log Store ──────────────────────────────────────────
+
+    @Bean
+    @ConditionalOnProperty(name = "cameleer.storage.logs", havingValue = "clickhouse", matchIfMissing = true)
+    public LogIndex clickHouseLogStore(
+            @Qualifier("clickHouseJdbcTemplate") JdbcTemplate clickHouseJdbc) {
+        return new ClickHouseLogStore(clickHouseJdbc);
+    }
 }

cameleer3-server-app/src/main/java/com/cameleer3/server/app/search/OpenSearchLogIndex.java

@@ -19,6 +19,7 @@ import org.opensearch.client.opensearch.indices.PutIndexTemplateRequest;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.stereotype.Repository;
 
 import java.io.IOException;
@@ -31,6 +32,7 @@ import java.util.List;
 import java.util.Map;
 
 @Repository
+@ConditionalOnProperty(name = "cameleer.storage.logs", havingValue = "opensearch")
 public class OpenSearchLogIndex implements LogIndex {
 
     private static final Logger log = LoggerFactory.getLogger(OpenSearchLogIndex.class);

cameleer3-server-app/src/main/java/com/cameleer3/server/app/storage/PostgresAgentEventRepository.java

@@ -2,6 +2,7 @@ package com.cameleer3.server.app.storage;
 
 import com.cameleer3.server.core.agent.AgentEventRecord;
 import com.cameleer3.server.core.agent.AgentEventRepository;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.stereotype.Repository;
 
@@ -11,6 +12,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 @Repository
+@ConditionalOnProperty(name = "cameleer.storage.events", havingValue = "postgres")
 public class PostgresAgentEventRepository implements AgentEventRepository {
 
     private final JdbcTemplate jdbc;

cameleer3-server-app/src/main/java/com/cameleer3/server/app/storage/PostgresDiagramStore.java

@@ -8,6 +8,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.stereotype.Repository;
 
@@ -29,6 +30,7 @@ import java.util.Optional;
  * Uses {@code ON CONFLICT (content_hash) DO NOTHING} for idempotent inserts.
  */
 @Repository
+@ConditionalOnProperty(name = "cameleer.storage.diagrams", havingValue = "postgres")
 public class PostgresDiagramStore implements DiagramStore {
 
     private static final Logger log = LoggerFactory.getLogger(PostgresDiagramStore.class);

cameleer3-server-app/src/main/resources/application.yml

@@ -52,6 +52,9 @@ cameleer:
     metrics: ${CAMELEER_STORAGE_METRICS:postgres}
     search: ${CAMELEER_STORAGE_SEARCH:opensearch}
     stats: ${CAMELEER_STORAGE_STATS:clickhouse}
+    diagrams: ${CAMELEER_STORAGE_DIAGRAMS:clickhouse}
+    events: ${CAMELEER_STORAGE_EVENTS:clickhouse}
+    logs: ${CAMELEER_STORAGE_LOGS:clickhouse}
 
 security:
   access-token-expiry-ms: 3600000

deploy/base/server.yaml

@@ -95,6 +95,12 @@ spec:
               value: "clickhouse"
             - name: CAMELEER_STORAGE_STATS
               value: "clickhouse"
+            - name: CAMELEER_STORAGE_DIAGRAMS
+              value: "clickhouse"
+            - name: CAMELEER_STORAGE_EVENTS
+              value: "clickhouse"
+            - name: CAMELEER_STORAGE_LOGS
+              value: "clickhouse"
 
           resources:
             requests: