feat: add websocket upstream adapter

TASKS.md

@@ -2,25 +2,19 @@
 
 ## Current
 
-### `feat/streaming-e2e`
+### `feat/websocket-upstream-adapter`
 
 Status: completed
 
 DoD:
-- local fixture stack includes:
-  - REST SSE server
-  - gRPC server-streaming server
-  - WebSocket event server
-- Playwright covers:
-  - REST window flow
-  - gRPC streaming flow
-  - session tool flow
-  - async job flow
-- CI runs streaming e2e against the local fixture stack
+- bounded WebSocket window execution is supported
+- WebSocket protocol is exposed through capability APIs
+- session mode can seed from WebSocket window collection
+- runtime and adapter tests cover WebSocket collection and reconnects
 
 ## Next
 
-- `feat/websocket-upstream-adapter`
+- `feat/soap-architecture-and-core-model`
 
 ## Backlog