render: add M2 build resource snapshot

targets/03-renderer-facade.md

@@ -57,7 +57,8 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   `M03-RND-M2-ANIMATED-INSTANCE-MATERIALIZER-001`,
   `M03-RND-M2-STATIC-BATCH-MATERIALIZER-001`,
   `M03-RND-M2-BUILD-QUEUE-001`,
-  `M03-RND-M2-BUILD-DISPATCH-PLANNER-001`
+  `M03-RND-M2-BUILD-DISPATCH-PLANNER-001`,
+  `M03-RND-M2-BUILD-RESOURCE-SNAPSHOT-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
@@ -263,6 +264,13 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   materializers, animation/Mesh pipelines, Mesh/prototype state, shutdown, facade,
   internal-access `30`, manifest and checkpoint dry-run `7/7`, documentation and
   coordination remained green.
+  M2 build resource snapshot passed `cases=12 iterations=20000
+  elapsed_ms=42.995` with exact path/prototype/Mesh identity, animation defaults,
+  two-phase static adoption/replacement/clear, contradictory-state preservation,
+  detached diagnostics, engine lifetime and loader/dispatch boundaries. All 54
+  autonomous headless regressions and checkpoint dry-run `7/7` passed; the
+  proprietary ADT probe remained unavailable. Internal-access inventory remains
+  `30`; resource lookup/request execution remains loader-owned.
   M02 terrain-query regression
   remained green (13 pre-existing expired M00 claim warnings).
 - Fidelity comparison: all 16 historical operation limits and drain sites were
@@ -297,6 +305,9 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   M2 build dispatch retains pending-animation priority before batch planning,
   animated-before-static selection, unresolved-static rotation without progress,
   and the historical serial increment for terminally missing positive batches.
+  One build operation now carries the exact normalized path, optional animated
+  prototype, pending-animation state, optional static Mesh and missing outcome in
+  a typed snapshot; releasing it never frees either borrowed engine resource.
   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.
@@ -413,6 +424,7 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   M2 static batch materializer and loader readiness/cursor/Editor-owner adapter,
   typed M2 build job/queue and loader enqueue/drain/progress/cancel/clear adapters,
   stateless M2 build dispatch planner and loader resource-observation/action adapter,
+  typed M2 build resource snapshot and loader/dispatch/materializer adapters,
   expanded facade/internal-access/coordinate verifiers; work-package claims and this evidence.
 - Remaining risks: worker concurrency and stale-result validation remain
   streamer-owned; cancellation stops new permits but does not interrupt
@@ -437,7 +449,8 @@ Runtime и Editor используют facade; planner/scheduler тестиру
   headless timing does not measure transform upload GPU cost and spatial-cell
   batching still needs culling/performance evidence; typed M2 pending state is
   separated and dispatch decisions are explicit, while resource observation/
-  requests, action execution and root cleanup remain in loader;
+  requests, action execution and root cleanup remain in loader; resource state is
+  typed per operation but its producing service is not yet extracted;
   WMO ResourceLoader/FileAccess I/O, live fallback and group materialization
   remain in the loader;
   asset-backed WMO placement/portal/material/leak/p95/p99 evidence remains pending;