config: move SQLite metadata DB from incidents/incidents.db to /tmp/asr.db

Same treatment as FAISS — local-only, off-repo. The 4-slash sqlite URL
parses as an absolute path; existing /tmp/asr.db preserves the 28-row
session history the file already accumulated.

Author: aksOps

config/config.yaml

@@ -1,6 +1,6 @@
 storage:
   metadata:
-    url: "sqlite:///incidents/incidents.db"
+    url: "sqlite:////tmp/asr.db"
   vector:
     backend: faiss
     path: "/tmp/asr-faiss"