fix: add processor_type to stats_1m_processor_detail MV

The table and materialized view were missing the processor_type column,
causing the RouteMetricsController query to fail and the dashboard
processor metrics table to render empty.

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

cameleer3-server-app/src/main/resources/clickhouse/V4__stats_tables_and_mvs.sql

@@ -137,6 +137,7 @@ CREATE TABLE IF NOT EXISTS stats_1m_processor_detail (
     application_id LowCardinality(String),
     route_id         LowCardinality(String),
     processor_id     String,
+    processor_type   LowCardinality(String),
     bucket           DateTime,
     total_count      AggregateFunction(count),
     failed_count     AggregateFunction(countIf, UInt8),
@@ -146,7 +147,7 @@ CREATE TABLE IF NOT EXISTS stats_1m_processor_detail (
 )
 ENGINE = AggregatingMergeTree()
 PARTITION BY (tenant_id, toYYYYMM(bucket))
-ORDER BY (tenant_id, application_id, route_id, processor_id, bucket)
+ORDER BY (tenant_id, application_id, route_id, processor_id, processor_type, bucket)
 TTL bucket + INTERVAL 365 DAY DELETE;
 
 CREATE MATERIALIZED VIEW IF NOT EXISTS stats_1m_processor_detail_mv TO stats_1m_processor_detail AS
@@ -155,6 +156,7 @@ SELECT
     application_id,
     route_id,
     processor_id,
+    processor_type,
     toStartOfMinute(start_time)           AS bucket,
     countState()                           AS total_count,
     countIfState(status = 'FAILED')        AS failed_count,
@@ -162,4 +164,4 @@ SELECT
     maxState(duration_ms)                  AS duration_max,
     quantileState(0.99)(duration_ms)       AS p99_duration
 FROM processor_executions
-GROUP BY tenant_id, application_id, route_id, processor_id, bucket;
+GROUP BY tenant_id, application_id, route_id, processor_id, processor_type, bucket;