refactor(M03): extract WMO render build queue

docs/modules/world-renderer.md

@@ -7,7 +7,7 @@
 | Status | Partial |
 | Target/work package | M00 baseline; `M01-RND-STREAMING-FOCUS-001`; `M01-QAR-SERVER-SPAWN-RENDERER-001`; M03 facade/planner/scheduler/internal-access/ground/environment/entity packages; M03 terrain packages; M03 M2 packages; M03 WMO placement package |
 | Owners | Renderer workstream / milestone integrator |
-| Last verified | Worktree `work/sindo-main-codex/m03-wmo-render-build-planner`, 2026-07-17 |
+| Last verified | Worktree `work/sindo-main-codex/m03-wmo-render-build-queue`, 2026-07-17 |
 | Profiles/capabilities | `Performance`, `Balanced`, `High`, `Custom`; Blizzlike fidelity incomplete |
 
 ## Purpose
@@ -60,6 +60,8 @@ flowchart LR
     WmoRegistry --> Loader
     Loader --> WmoBuildStep[WmoRenderBuildStepPlanner]
     WmoBuildStep --> Loader
+    Loader --> WmoBuildQueue[WmoRenderBuildQueue]
+    WmoBuildQueue --> Loader
     Native --> Parsed[Parsed tile/model data]
     Parsed --> Loader
     Loader --> Scene[SceneTree nodes]
@@ -133,6 +135,7 @@ from externally reading/writing loader-private queue, task, cache and tile-state
 | `WmoPlacementResolver.normalize_relative_path/resolve_unique_key/resolve_world_transform` | Internal pure WMO service | Resolves cache key, registry identity and world transform | Main/any thread; stateless | Missing UID uses tile/index fallback; transform fields use historical defaults |
 | `WmoPlacementRegistry.add_reference/release_reference/contains/active_count/diagnostic_snapshot/clear` | Internal WMO service | Owns placement-key to tile/global reference sets | Renderer main thread; map session | Empty/unknown/non-owner input is rejected without mutation |
 | `WmoRenderBuildStepPlanner.plan_step` | Internal pure WMO service | Selects one mesh-first lightweight render-group operation and next cursors | Main/any thread; stateless | Raw integer comparisons are preserved without clamping |
+| `WmoRenderBuildQueue` / `WmoRenderBuildJob` | Internal WMO pending-state service | Owns typed root/resource/cursor jobs and FIFO placement keys | Renderer main thread; map session | Invalid enqueue rejected; duplicate/stale behavior preserved |
 
 Публичным contract не считаются `StreamingWorldLoader` methods/properties,
 внутренние dictionaries, queues, job records и generated node names. Scene-owned
@@ -164,6 +167,7 @@ loader configuration remains transitional composition data, not a caller API.
 | Internal WMO placement | Path, MODF placement, tile/index | Loader / `WmoPlacementResolver` | WMO caches, registry and three instance adapters | Value-only String/Transform3D | Lookup/placement lifetime |
 | Internal WMO ownership | Resolved placement key and tile/global reference key | Loader / `WmoPlacementRegistry` | Loader create/retain/final-free decisions | Registry-owned String sets; detached diagnostics | Map session or final release |
 | Internal WMO build step | Mesh/MultiMesh counts and job cursors | Loader / `WmoRenderBuildStepPlanner` | Loader materialization/cursor adapter | Fresh scalar Dictionary | One group operation |
+| Internal WMO pending build | Placement key, Node3D root, WMO Resource and cursors | Loader / `WmoRenderBuildQueue` | Loader drain and step planner adapter | Queue-owned job and strong references | Until cancel/clear/replacement |
 | Output | Desired tile/detail operations | Streamer plan application | Finalize queues | Loader-owned | Cross-frame |
 | Output | Terrain/M2/WMO/liquid instances | Loader/builders | Godot world/renderer | Loader/world owner | Main-thread attach |
 | Output | Detached renderer metrics | `WorldRenderFacade` | Capture/baseline tools | Caller-owned deep copy | On demand |
@@ -214,7 +218,8 @@ flowchart TD
     M2Batch --> M2
     R --> WmoPlacement[WmoPlacementResolver]
     WmoPlacement --> WmoRegistry[WmoPlacementRegistry]
-    WmoRegistry --> WmoBuildStep[WmoRenderBuildStepPlanner]
+    WmoRegistry --> WmoBuildQueue[WmoRenderBuildQueue]
+    WmoBuildQueue --> WmoBuildStep[WmoRenderBuildStepPlanner]
     WmoBuildStep --> WMO
     R --> B[RenderBudgetScheduler permits]
     B --> Terrain[Terrain attach/upgrade]
@@ -340,8 +345,10 @@ sequenceDiagram
 - `WmoPlacementResolver` is stateless and owns only call-local cache-key,
   identity and transform values. `WmoPlacementRegistry` owns only placement-key
   reference sets. `WmoRenderBuildStepPlanner` owns only a call-local operation
-  and cursor plan. The loader retains the key-to-Node map, caches, jobs, queues,
-  resources, cursor adoption, permits, cancellation and every Node lifecycle action.
+  and cursor plan. `WmoRenderBuildQueue` owns typed pending jobs, FIFO keys and
+  strong root/resource references without freeing engine objects. The loader
+  retains the placement key-to-Node map, caches/loads, materialization, permits,
+  validity reactions and every Node lifecycle action.
 - Rendered-ground query results and diagnostic snapshots are caller-owned values;
   the facade never returns Mesh, Node, tile-state or queue references.
 - Loaded-mesh ground sampling is renderer diagnostics, not authoritative gameplay
@@ -439,6 +446,8 @@ Exact exported settings and cache versions remain documented in [`../../RENDER.m
   lifecycle, detached sorted diagnostics, source ownership and bounded timing.
 - WMO render build step contract: mesh-before-MultiMesh order, one-index cursor
   transition, completion/raw integer behavior, source ownership and bounded timing.
+- WMO render build queue contract: typed references/cursors, FIFO, duplicate
+  replacement, stale-front cleanup, cancel/clear engine lifetime and bounded timing.
 - Budget scheduler contract: exact lane exhaustion, shared chunk removal/create
   priority, independent lanes, frame reset, invalid limits, terminal cancellation,
   dependency boundaries and bounded permit timing without loading a world scene.
@@ -474,7 +483,8 @@ Exact exported settings and cache versions remain documented in [`../../RENDER.m
 | M2 build batch planner | Implemented extraction | Scene-free limit/count/cursor/source/timing contract | Queue/resource state, spatial cells and asset-backed p95/p99 remain pending |
 | WMO placement resolver | Implemented extraction | Scene-free path/identity/transform/source/timing contract | Asset-backed comparison pending |
 | WMO placement registry | Implemented extraction | Scene-free ownership/lifecycle/source/timing contract | Build/resource state and asset-backed cross-tile corpus pending |
-| WMO render build step planner | Implemented extraction | Scene-free order/cursor/source/timing contract | Job/resource ownership and asset-backed traversal p95/p99 pending |
+| WMO render build step planner | Implemented extraction | Scene-free order/cursor/source/timing contract | Asset-backed traversal p95/p99 pending |
+| WMO render build queue | Implemented extraction | Typed lifecycle/order/ownership/source/timing contract | Cache/load state and asset-backed traversal/leak evidence pending |
 | WMO rendering | Partial | Cached group rendering | Portals/rooms/material parity |
 | Liquids | Partial | MH2O/MLIQ paths | LiquidType/depth/shore fidelity |
 | Sky/light | Partial | DBC controller/logs | Zone transition paired validation |