phase 14-15: docker build validation and helm deployment

services/shared/redis_keys.py

@@ -46,6 +46,15 @@ def retry_key(job_id: str) -> str:
     return f"{RETRY_PREFIX}:{job_id}"
 
 
+# Dead-letter queues
+DLQ_PREFIX = f"{PREFIX}:dlq"
+
+
+def dlq_key(queue_name: str) -> str:
+    """Return the dead-letter queue key for a given source queue."""
+    return f"{DLQ_PREFIX}:{queue_name}"
+
+
 # --- Queue names ---
 QUEUE_INGESTION = "ingestion"
 QUEUE_PARSING = "parsing"
@@ -54,3 +63,4 @@ QUEUE_AGGREGATION = "aggregation"
 QUEUE_RECOMMENDATION = "recommendation"
 QUEUE_LAKE_PUBLISH = "lake_publish"
 QUEUE_TRADE = "trade"
+QUEUE_BROKER = "broker_orders"