docs(M03): accept WMO placement registry

targets/03-renderer-facade.md

@@ -73,6 +73,11 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   WMO placement resolver passed `cases=9 iterations=20000 elapsed_ms=27.919`;
   post-merge renderer materials, shutdown, internal-access `42`, facade,
   `7/7` manifest, documentation and coordination gates remained green.
+  WMO placement registry passed `cases=10 iterations=100 elapsed_ms=53.941`;
+  all 21 adjacent WMO/M2/terrain/facade/scheduler/streaming/coordinate
+  regressions and the `7/7` checkpoint dry-run passed; post-merge registry
+  (`54.178ms`), resolver, shutdown, facade, documentation and coordination
+  gates remained green.
   M02 terrain-query regression
   remained green (13 pre-existing expired M00 claim warnings).
 - Fidelity comparison: all 16 historical operation limits and drain sites were
@@ -104,6 +109,9 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   WMO cache-key normalization, positive MODF identity with tile/index fallback
   and world position/Euler/unclamped-scale transforms are unchanged across
   lightweight render, cached-scene and live-prototype paths.
+  WMO first/idempotent/shared/non-owner/final/global reference behavior is
+  unchanged; the extracted registry owns only String reference sets while the
+  loader retains the parallel key-to-Node map and final-release cancellation/free.
   No new build-12340 parity claim is made; asset-backed visual/p95/p99 comparison remains pending.
 - Changed files: scene-free scheduler and verifier; streamer budget composition/
   permit delegation; scheduler module spec; world renderer/module registry/RENDER notes;
@@ -118,6 +126,7 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   three transform consumers, stateless M2 placement grouper and worker adapter,
   stateless M2 build batch planner and loader cursor adapter,
   stateless WMO placement resolver and seven cache/identity/transform adapters,
+  stateful WMO placement registry and global/tile add/release/clear adapters,
   expanded facade/internal-access/coordinate verifiers; work-package claims and this evidence.
 - Remaining risks: queue storage length and worker concurrency/stale-result logic
   remain streamer-owned; cancellation stops new permits but does not interrupt
@@ -132,7 +141,7 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   asset-backed visual transform recheck, grouping/build/tasks/caches/finalization
   and boundary traversal p95/p99 remain pending; path grouping is not yet
   culling-driven spatial-cell grouping; M2 resource/queue transitions and raw
-  build-job Dictionaries remain in the loader; WMO registry/build/resource state
-  and asset-backed placement/portal/material evidence remain pending;
+  build-job Dictionaries remain in the loader; WMO build/resource state and
+  asset-backed placement/portal/material evidence remain pending;
   M03 still needs further terrain/M2/WMO/liquid service extraction
   and dependency/performance acceptance.