Release: Live Stream Anchor side-effects projection (#6204, @franksong2702) (#6348)

* fix: preserve anchor-owned side effects

* test: prove invisible anchor outcomes do not repaint

* docs(changelog): stamp #6204 Anchor side-effects projection

---------

Co-authored-by: Frank Song <franksong2702@gmail.com>
Co-authored-by: nesquena-hermes <agent@nesquena-hermes>

docs/architecture/stable-assistant-turn-anchor-phase0.md

@@ -54,6 +54,13 @@ when that slice landed; they do not override the current coverage summary above.
   `_anchor_activity_scene` snapshot so the folded activity summary can appear
   above the final answer. This handoff does not claim Transparent Stream wiring
   or durable hard-reload scene persistence.
+- The first RFC Phase 6 ownership slice routes the production `state_saved` SSE
+  into the active Assistant Turn Anchor and carries `artifacts` and
+  `side_effects` through `activity_scene_v1` settlement persistence and reload
+  hydration. These owned outcomes remain off the readable Worklog by default;
+  memory/skill saves still surface through their existing toast and natural UI.
+  Production artifact-reference derivation and run-journal reconstruction of
+  side effects remain follow-up work.
 
 ## State Layers