fix(docker): provision durable topics and canonical ClickHouse schema

.env.example

@@ -4,7 +4,8 @@
 API_HOST=0.0.0.0
 API_PORT=8000
 API_QUEUE_MAX_SIZE=10000
-WORKER_STATS_URL=http://worker:8001/internal/stats
+# Optional override; Compose otherwise derives this from WORKER_STATS_PORT.
+# WORKER_STATS_URL=http://worker:8001/internal/stats
 
 # ==========================================
 # Processing Worker Configuration
@@ -16,7 +17,7 @@ WORKER_STATS_PORT=8001
 # ==========================================
 # Kafka / Redpanda Broker Configuration
 # ==========================================
-KAFKA_BOOTSTRAP_SERVERS=kafka:9092
+KAFKA_BOOTSTRAP_SERVERS=redpanda:29092
 KAFKA_RAW_TOPIC=cdr.raw
 KAFKA_DLQ_TOPIC=cdr.raw.dlq
 KAFKA_CONSUMER_GROUP=cdr-processing-group
@@ -26,6 +27,7 @@ KAFKA_AUTO_OFFSET_RESET=earliest
 # ClickHouse Database Configuration
 # ==========================================
 CLICKHOUSE_HOST=clickhouse
+# Published host HTTP port. Compose services always use clickhouse:8123.
 CLICKHOUSE_PORT=8123
 CLICKHOUSE_USER=default
 CLICKHOUSE_PASSWORD=
@@ -49,3 +51,14 @@ CH_RETRY_BACKOFF_FACTOR=2.0
 # Observability & Logging
 # ==========================================
 LOG_LEVEL=INFO
+
+# Delivery and HTTP limits
+KAFKA_DELIVERY_TIMEOUT_SECONDS=10
+API_MAX_BODY_BYTES=65536
+API_READ_TIMEOUT_SECONDS=10
+SHUTDOWN_TIMEOUT_SECONDS=45
+# Published infrastructure ports
+KAFKA_PORT=9092
+KAFKA_ADVERTISED_HOST=localhost
+REDPANDA_ADMIN_PORT=9644
+CLICKHOUSE_NATIVE_PORT=9000