separate Supermemory RAG stability gate

servers/unraid/supermemory-poc/smoke.sh

@@ -114,11 +114,20 @@ curl --fail --silent --show-error --max-time 60 \
   "$base_url/v4/profile" >/tmp/profile.json || fail 51 profile-request
 grep -q '"profile"' /tmp/profile.json || fail 52 profile-shape
 
-curl --fail --silent --show-error --max-time 60 \
+conversation_http=$(curl --silent --show-error --max-time 60 \
+  --output /tmp/conversation.json \
+  --write-out '%{http_code}' \
   -H "$auth_header" \
   -H 'Content-Type: application/json' \
   --data "{\"conversationId\":\"$marker\",\"containerTags\":[\"$container_tag\"],\"messages\":[{\"role\":\"user\",\"content\":\"这只是隔离测试。\"},{\"role\":\"assistant\",\"content\":\"不会作为正式事实。\"}],\"metadata\":{\"source\":\"poc-smoke\",\"status\":\"temporary\"}}" \
-  "$base_url/v4/conversations" >/tmp/conversation.json || fail 61 conversation-ingest
+  "$base_url/v4/conversations") || fail 61 conversation-ingest-request
+
+case "$conversation_http" in
+  2??) conversation_ingest=accepted ;;
+  404) conversation_ingest=unsupported-404 ;;
+  *) fail 62 conversation-ingest-unexpected-status ;;
+esac
 
 touch "$sentinel"
-printf '{"embedding_plan":"gemini/gemini-embedding-2/768","llm":"gemini-native-default","v3_search":%s,"v4_documents_search":"ok","chinese_hybrid_search":"ok","metadata_traceability":"ok","profile":"ok","conversation_ingest":"accepted"}\n' "$v3_hit"
+printf '{"embedding_plan":"gemini/gemini-embedding-2/768","llm":"gemini-native-default","v3_search":%s,"v4_documents_search":"ok","chinese_hybrid_search":"ok","metadata_traceability":"ok","profile":"ok","conversation_ingest":"%s","conversation_http":%s}\n' \
+  "$v3_hit" "$conversation_ingest" "$conversation_http"