docs(M03): accept terrain chunk LOD planner

targets/03-renderer-facade.md

@@ -27,10 +27,11 @@ Runtime и Editor используют facade; planner/scheduler тестиру
 ## Evidence
 
 - Date: 2026-07-16
-- Revision/worktree: master merges `7ece2ab`, `7e35de7`, `80cb084`, `d6e5b53`, `c69abd6`, `606770c`, `630a0c1`;
+- Revision/worktree: master merges `7ece2ab`, `7e35de7`, `80cb084`, `d6e5b53`, `c69abd6`, `606770c`, `630a0c1`, `f36fabb`;
   packages `M03-RND-SCHEDULER-001`, `M03-RND-INTERNAL-ACCESS-GATE-001`,
   `M03-RND-FACADE-GROUND-QUERY-001`, `M03-RND-FACADE-ENVIRONMENT-001`,
-  `M03-RND-FACADE-ENTITY-001`, `M03-RND-TERRAIN-CACHE-SERVICE-001`
+  `M03-RND-FACADE-ENTITY-001`, `M03-RND-TERRAIN-CACHE-SERVICE-001`,
+  `M03-RND-TERRAIN-LOD-PLANNER-001`
 - Commands: dedicated scheduler/planner/facade/focus/coordinate/manifest/shutdown
   headless verifiers; Godot cold editor parse; coordination, documentation and diff gates.
 - Results: scheduler `cases=6 iterations=20000 elapsed_ms=10.216`; planner
@@ -47,6 +48,8 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   `delegation=9 entity_contract=6`, while character presentation remained `9/10/3/1`.
   Terrain quality cache passed `contract_cases=15 loader_calls=3`; internal-access
   inventory decreased to `42` because the loader no longer owns the LRU-order field.
+  Terrain chunk LOD planner passed `cases=7 iterations=250 elapsed_ms=12.630`;
+  post-merge facade, internal-access and `7/7` manifest 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
@@ -60,6 +63,8 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   baseline plans remain unchanged by the new present/remove ownership boundary.
   Terrain revisit cache retains the same admitted/excluded sources, LRU touch/trim,
   profile capacities and three loader adapter sites; no cache format changed.
+  Chunk LOD keeps horizontal XZ chunk-center distance, inclusive squared thresholds,
+  sparse-index omission and raw negative-radius squaring at both loader call sites.
   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;
@@ -67,6 +72,7 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   immutable environment snapshot, facade/sky adapter, migrated checkpoint time input,
   contract-v1 entity snapshot, renderer-owned entity presenter, runtime composition,
   scene-free terrain quality Mesh cache and loader store/restore/clear adapters,
+  immutable terrain chunk LOD policy, pure planner and both loader plan 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
@@ -74,5 +80,6 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   or indoor state; entity PackedScene loading is synchronous and not accepted for
   network-scale hot paths; terrain cache is entry-count bounded without Mesh-byte
   metrics and the remaining terrain build/tasks/state/finalization stay monolithic;
+  chunk LOD asset-backed p95/p99 and visual acceptance remain pending;
   M03 still needs further terrain/M2/WMO/liquid service extraction
   and dependency/performance acceptance.