refactor(input): own gameplay action routing

Move the sole semantic action-priority graph, combat and diagnostic commands, and retained-root item-drop lifetime behind focused typed owners. Preserve retail toggle behavior, explicit auto-wield cancellation, shutdown quiescence, and symmetric callback cleanup.

Co-authored-by: Codex <codex@openai.com>

docs/architecture/acdream-architecture.md

@@ -625,11 +625,12 @@ The accepted host order above is preserved as TS-53; it is not overclaimed as
 the exact retail `Client::UseTime` order. See the completed Slice 6 ledger and
 `memory/project_gamewindow_decomposition.md`.
 
-The render callback currently owns the GPU frame boundary and draw graph. Slice
-7 extracts that graph without changing its order: per-resource frame begins and
-render-thread uploads; world/PView and its two shared-alpha scopes; portal and
-paperdoll private viewports; retained gameplay UI; ImGui devtools; screenshot;
-then the GPU-flight close in `finally`. Both UI stacks coexist in the same frame.
+`GameWindow.OnRender` likewise owns only one handoff to the shipped
+`RenderFrameOrchestrator`. Its frozen graph begins per-resource frames and
+render-thread uploads; draws world/PView and its two shared-alpha scopes;
+renders portal and paperdoll private viewports, retained gameplay UI, ImGui
+devtools, and screenshots; then closes the GPU-flight transaction in
+`finally`. Both UI stacks coexist in the same frame.
 
 ---
 
@@ -828,10 +829,11 @@ Current movement/collision ownership:
   routers; Slice 4 moved hydration, teardown, inbound authority, network
   updates, and reusable motion-runtime policy over canonical
   `LiveEntityRuntime`. Slices 5–7 complete landblock presentation and the
-  update/render frame graphs. Slice 8 checkpoints A–E now own the native
+  update/render frame graphs. Slice 8 checkpoints A–F now own the native
   callback shell, live-session composition, world environment, reversible
-  input/pointer lifetime, and physical framebuffer publication. Gameplay action
-  routing is the next checkpoint. The reconciled ledger and sequence live in
+  input/pointer lifetime, physical framebuffer publication, the sole gameplay
+  action-priority graph, typed commands, and the retained-root item-drop edge.
+  Two-phase runtime settings is the next checkpoint. The reconciled ledger and sequence live in
   `docs/architecture/code-structure.md`. This decision does not reclassify the
   remaining L.2 conformance work or Track LH.
 

docs/architecture/code-structure.md

@@ -32,6 +32,8 @@ after Slice 5 closeout                     8,811 lines / 247 fields / 153 method
 after Slice 6 closeout                     7,026 lines / 241 fields / 108 methods
 after Slice 7 draw-frame cutover           4,666 lines / 196 fields /  70 methods
 after Slice 8 checkpoint D                 4,330 lines / 192 fields /  67 methods
+after Slice 8 checkpoint E                 4,266 lines / 194 fields /  65 methods
+after Slice 8 checkpoint F                 4,057 lines / 198 fields /  54 methods
 ```
 
 `GameWindow` is the single object that:
@@ -690,15 +692,21 @@ slices. `OnClosing` delegates to the existing retryable shutdown transaction.
 Silk callbacks become narrow calls into the input, update, render, resize,
 focus, and shutdown owners.
 
-Checkpoint E is complete. `CameraPointerInputController` owns raw pointer,
+Checkpoints E and F are complete. `CameraPointerInputController` owns raw pointer,
 camera cursor/focus/scroll/sensitivity behavior; `FramebufferResizeController`
 alone publishes physical framebuffer changes. All Silk, dispatcher, retained
 UI, and optional devtools device edges are reversible, transactional, and
 terminal after disposal. Logical cutoff precedes live-session retirement;
 physical detach follows it, so neither copied callbacks nor a failed event
-remove can interfere with graceful transport teardown. `GameWindow` is now
-4,266 raw lines / 194 fields / 65 methods. Checkpoints F–L remain active, with
-gameplay action routing next.
+remove can interfere with graceful transport teardown.
+
+`GameplayInputActionRouter` is now the sole `InputDispatcher.Fired`
+subscriber and preserves the accepted input-priority graph. Focused combat,
+diagnostic, and general command owners replace the remaining window command
+bodies. The retained-root item-drop edge has one reversible owner, while its
+deferred toolbar targets become inert before session retirement. `GameWindow`
+is now 4,057 raw lines / 198 fields / 54 methods. Checkpoints G–L remain
+active, with two-phase runtime settings next.
 
 ### 4.4 Exit criteria