feat: harden demo flows and observability

TASKS.md

@@ -2,20 +2,21 @@
 
 ## Current
 
-### `feat/grpc-support`
+### `feat/hardening`
 
 Status: completed
 
 DoD:
 
-- gRPC descriptor set can be uploaded and inspected through admin-api
-- unary gRPC operation can be tested through runtime
-- published gRPC tool is callable through MCP
-- integration tests cover adapter, runtime, admin-api and MCP gRPC scenarios
+- демонстрационные сценарии воспроизводимы
+- логирование и ошибки читаемы
+- YAML roundtrip проверен
+- publish/reload flow стабилен
+- документация по запуску достаточна для повторения демо
 
 ## Next
 
-- `feat/hardening`
+- `feat/deployment-cd-polish`
 
 ## Backlog