docs: extend protocol platform architecture

TASKS.md

@@ -2,14 +2,14 @@
 
 ## Current
 
-### `feat/streaming-mcp-architecture`
+### `feat/full-protocol-platform-architecture`
 
 Status: completed
 
 DoD:
-- Official MCP transport semantics are reflected in docs
-- Streaming modes and protocol support matrix are documented
-- Core docs and `TASKS.md` are synchronized around controlled streaming model
+- Product scope covers REST, GraphQL, gRPC, WebSocket and SOAP
+- Execution model is documented independently from protocol families
+- Core docs and protocol docs are synchronized around full protocol platform scope
 
 ## Next
 
@@ -25,6 +25,9 @@ DoD:
 - `feat/rest-sse-adapter`
 - `feat/grpc-server-streaming-adapter`
 - `feat/session-and-job-tools`
+- `feat/websocket-upstream-adapter`
+- `feat/soap-architecture-and-core-model`
+- `feat/soap-adapter-foundation`
 - `feat/streaming-ui-config`
 - `feat/streaming-e2e`
 - `feat/auth-profile-secret-resolution`