Echo contract hosting roadmap

CHANGELOG.md

@@ -43,6 +43,17 @@
 
 ### Changed
 
+### Fixed (PR #326 follow-up)
+
+- Fixed Wesley-generated helper output so helper-only vars and intent error
+  types live in a generated namespace instead of colliding with user contract
+  types, while preserving top-level helper function re-exports, and added
+  no-std smoke coverage for op-bearing generated helpers.
+- Fixed contract-hosting docs to describe synchronous `KernelPort` dispatch
+  accurately, treat `ObservationRequest` as the read boundary, keep artifact
+  identity separate from trust posture, hash canonical submitted intent bytes,
+  and require codec/hash metadata for future Continuum artifact interchange.
+
 ### Fixed (PR #313 follow-up)
 
 - The adaptive parallel-policy experiment follow-ups so benchmark/report rows