feat: add grpc support

TASKS.md

@@ -2,21 +2,20 @@
 
 ## Current
 
-### `feat/graphql-support`
+### `feat/grpc-support`
 
 Status: completed
 
 DoD:
 
-- GraphQL operation can be created, tested and published
-- variables mapping and `response_path` work in runtime
-- GraphQL `errors` are translated into runtime failures
-- published GraphQL tool is callable through MCP
-- integration tests cover admin-api, runtime and MCP GraphQL scenarios
+- 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
 
 ## Next
 
-- `feat/grpc-support`
+- `feat/hardening`
 
 ## Backlog