feat: stage-isolated infrastructure — separate Postgres DBs, Redis DBs, and MinIO bucket prefixes per stage

services/extractor/event_classifier.py

@@ -30,7 +30,7 @@ from services.shared.schemas import (
     ModelMetadata,
     SeverityLevel,
 )
-from services.shared.storage import upload_artifact
+from services.shared.storage import _prefixed, upload_artifact
 
 logger = logging.getLogger("event_classifier")
 
@@ -381,7 +381,7 @@ def _upload_classification_prompt(
         f"{document_id}/prompt.json"
     )
     return upload_artifact(
-        minio_client, "stonks-llm-prompts", path, payload,
+        minio_client, _prefixed("stonks-llm-prompts"), path, payload,
         content_type="application/json",
     )
 
@@ -421,7 +421,7 @@ def _upload_classification_result(
         f"{document_id}/result.json"
     )
     return upload_artifact(
-        minio_client, "stonks-llm-results", path, payload,
+        minio_client, _prefixed("stonks-llm-results"), path, payload,
         content_type="application/json",
     )