Finished phase 1

docs/subsystems/ControlServices.md

@@ -457,8 +457,8 @@ Likely keep under `ControlServices`:
 
 Should move out later:
 
-- direct `RuntimeHost` polling dependency
-- deferred OSC commit behavior as currently implemented through direct host mutation
+- legacy direct runtime polling dependency
+- deferred OSC commit behavior that has since moved behind coordinator-facing outcomes
 - any remaining direct state-broadcast decisions tied to runtime internals
 
 ### Current `ControlServer`
@@ -513,13 +513,13 @@ The goal is for transports to emit actions, even if temporary adapters still cal
 
 That should move toward a composition root or subsystem host arrangement where render is no longer the owner of control ingress.
 
-### Step 4. Remove Direct `RuntimeHost` Dependency
+### Step 4. Remove Direct Runtime Mutation Dependency
 
-Current polling and deferred OSC commit work directly against `RuntimeHost`:
+Previous polling and deferred OSC commit work directly against runtime storage:
 
 - [RuntimeServices.cpp](/c:/Users/Aiden/Documents/GitHub/video-shader-toys/apps/LoopThroughWithOpenGLCompositing/control/RuntimeServices.cpp:194)
 
-That should be replaced with coordinator-facing actions and later event-driven flows.
+That has been routed through coordinator-facing actions; later phases should replace the remaining polling shape with event-driven flows.
 
 ### Step 5. Split Out Observation Delivery
 
@@ -535,7 +535,7 @@ Mitigation:
 
 - keep the boundary strict
 - route mutations through coordinator interfaces
-- treat direct host calls as temporary compatibility only
+- treat any direct runtime mutation calls as migration-only compatibility
 
 ### Risk 2. Service Queues Becoming Hidden State Authority