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+# M03-RND-TERRAIN-CHUNK-QUEUE-001 — Pure terrain chunk geometry queue planner
+
+<!-- OPENWC_CLAIM:M03-RND-TERRAIN-CHUNK-QUEUE-001:sindo-main-codex:2026-07-19 -->
+
+## Ownership
+
+- Target: M03
+- Program: RND
+- Owner/Agent ID: sindo-main-codex
+- Branch: `work/sindo-main-codex/m03-terrain-chunk-queue`
+- Lease expires UTC: 2026-07-19
+- Integrator: M03 milestone integrator
+
+## Outcome
+
+Extract chunk-geometry create/remove desired-operation calculation from the
+streamer into a scene-free `TerrainChunkGeometryQueuePlanner`.
+
+## Non-goals
+
+- Move queue storage/drains, render budgets, tile-LOD queues or async tasks.
+- Move chunk Mesh/Node/RID creation/removal or terrain state ownership.
+- Change removal-first execution, nearest-first create order or LOD selection.
+- Change coordinate conversions, radii, cache formats or quality profiles.
+- Add dependencies or mark the broad terrain service checklist complete.
+
+## Paths
+
+- Exclusive: `src/render/terrain/terrain_chunk_geometry_queue_planner.gd`,
+  `src/tools/verify_terrain_chunk_geometry_queue_planner.gd`,
+  `docs/modules/terrain-chunk-geometry-queue-planner.md`, this claim
+- Shared/hotspots: `src/scenes/streaming/streaming_world_loader.gd`,
+  `docs/modules/world-renderer.md`, `docs/modules/README.md`, `RENDER.md`,
+  `targets/03-renderer-facade.md`
+- Generated/ignored: `.godot`, native DLL, generated ADT resources, caches and
+  proprietary renderer corpus
+
+## Contracts and data
+
+- Input: loader-owned tile-state read model plus immutable `GodotWorldPosition`
+- Output: fresh create/remove request arrays; planner retains no queue state
+- Removal: current chunks absent from desired state, or all current chunks while
+  tile LOD is desired
+- Creation: missing or LOD-mismatched chunks, sorted by origin XZ distance
+- Queue/cache/schema/coordinate versions: unchanged
+
+## Dependencies
+
+- Requires: integrated terrain LOD planner master `b568768`
+- Blocks: broader terrain service extraction and dependency/performance acceptance
+- External state: none; tests use synthetic tile/chunk dictionaries
+
+## Verification
+
+- Commands: dedicated removal/create/mismatch/tile-fallback/sparse/order and
+  bounded timing verifier; loader source boundary; facade/cache/LOD/internal-access/
+  manifest/shutdown/scheduler/streaming planner and repository gates
+- Fidelity evidence: extracted branch/order/distance rules and loader drain order
+- Performance budget: bounded linear planning plus existing create sort; no engine
+  resource, task, cache or persistent allocation framework
+
+## Documentation deliverables
+
+- Inline planner API documentation
+- New module spec with inputs/outputs, data-flow, lifecycle, sequence, ownership,
+  failure, performance and source map
+- World renderer/module registry/`RENDER.md` updates
+
+## Simplicity and naming
+
+- Important name: `TerrainChunkGeometryQueuePlanner`
+- Simplest solution: one stateless planner returning two fresh arrays
+- Rejected complexity: generic operation graph, queue class, callback strategy,
+  spatial index or ownership transfer
+- Unavoidable complexity: raw dictionaries remain at the loader/ADT adapter boundary
+- Measured optimization evidence: bounded synthetic multi-tile verifier
+
+## Status
+
+- State: claimed
+- Done: scope, ordering and ownership published
+- Next: implement planner, migrate chunk queue calculation, tests and docs
+- Blocked by:
+
+## Handoff
+
+- Commit:
+- Results:
+- Remaining risks:
+- Documentation updated: