refactor(M03): extract WMO placement resolver

docs/modules/world-renderer.md

@@ -5,9 +5,9 @@
 | Field | Value |
 |---|---|
 | 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 unique/transform/grouping/batch packages |
+| 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-m2-build-batch-planner`, 2026-07-17 |
+| Last verified | Worktree `work/sindo-main-codex/m03-wmo-placement-resolver`, 2026-07-17 |
 | Profiles/capabilities | `Performance`, `Balanced`, `High`, `Custom`; Blizzlike fidelity incomplete |
 
 ## Purpose
@@ -54,6 +54,8 @@ flowchart LR
     M2Transform --> Loader
     Loader --> M2Batch[M2BuildBatchPlanner]
     M2Batch --> Loader
+    Loader --> WmoPlacement[WmoPlacementResolver]
+    WmoPlacement --> Loader
     Native --> Parsed[Parsed tile/model data]
     Parsed --> Loader
     Loader --> Scene[SceneTree nodes]
@@ -124,6 +126,7 @@ from externally reading/writing loader-private queue, task, cache and tile-state
 | `M2PlacementTransformResolver.resolve_basis/resolve_origin_offset` | Internal pure M2 service | Resolves regular and calibrated model-specific ADT placement transforms | Worker/main thread; stateless | Unknown paths use regular basis and zero offset |
 | `M2PlacementGrouper.group_placements` | Internal pure M2 service | Validates and groups ordered tile-local placement transforms by normalized path | Worker/main thread; stateless | Invalid variants/name IDs/empty paths are skipped |
 | `M2BuildBatchPlanner.plan_batch` | Internal pure M2 service | Selects static/animated batch count and next group cursor | Main/any thread; stateless | Non-positive selected limit clamps to one; empty range completes |
+| `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 |
 
 Публичным contract не считаются `StreamingWorldLoader` methods/properties,
 внутренние dictionaries, queues, job records и generated node names. Scene-owned
@@ -152,6 +155,7 @@ loader configuration remains transitional composition data, not a caller API.
 | Internal transform | Rotation/path/scale | Loader or grouper / `M2PlacementTransformResolver` | Group/placeholder/instance transforms | Value-only Basis/Vector3 | One placement |
 | Internal grouping | Tile origin, M2 names and placements | Loader / `M2PlacementGrouper` | Loader worker result/build job | Fresh Dictionary/Transform3D arrays | One grouping task |
 | Internal batch plan | Transform count/offset, path kind and limits | Loader / `M2BuildBatchPlanner` | Loader materialization/cursor adapter | Fresh scalar Dictionary | One build operation |
+| Internal WMO placement | Path, MODF placement, tile/index | Loader / `WmoPlacementResolver` | WMO caches, registry and three instance adapters | Value-only String/Transform3D | Lookup/placement lifetime |
 | 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 |
@@ -200,6 +204,8 @@ flowchart TD
     M2Transform[M2PlacementTransformResolver] --> M2Grouper
     M2Grouper --> M2Batch[M2BuildBatchPlanner]
     M2Batch --> M2
+    R --> WmoPlacement[WmoPlacementResolver]
+    WmoPlacement --> WMO
     R --> B[RenderBudgetScheduler permits]
     B --> Terrain[Terrain attach/upgrade]
     B --> M2[M2 group/MultiMesh attach]
@@ -321,6 +327,8 @@ sequenceDiagram
   The loader retains tasks, mutex/result queues, stale checks and build state.
 - `M2BuildBatchPlanner` is stateless and owns only call-local scalar plans. The
   loader retains queue/resource transitions, cursor adoption and materialization.
+- `WmoPlacementResolver` is stateless and owns only call-local cache-key,
+  identity and transform values. The loader retains WMO refs/caches/jobs/resources.
 - 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
@@ -412,6 +420,8 @@ Exact exported settings and cache versions remain documented in [`../../RENDER.m
   group order, local transforms, fresh output, source boundary and bounded timing.
 - M2 build batch contract: static/animated limit selection, clamp, remaining
   count, completion/cursor rules, source boundary and bounded timing.
+- WMO placement contract: cache-path normalization, positive/fallback identity,
+  default/rotated/unclamped transforms, three consumers 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.
@@ -445,6 +455,7 @@ Exact exported settings and cache versions remain documented in [`../../RENDER.m
 | M2 placement transform resolver | Implemented extraction | Scene-free formula/source/timing contract across three consumers | Asset-backed visual recheck and general placement parity pending |
 | M2 placement grouper | Implemented extraction | Scene-free validation/order/transform/source/timing contract | Worker/build state, spatial cells and asset-backed p95/p99 remain pending |
 | 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 | Registry/build extraction and asset-backed comparison 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 |