test(M00): diagnose checkpoint camera occluders

Work-Package: M00-QAR-CAMERA-OCCLUDERS-001
Agent: sindo-main-codex
Tests: five-point camera occluder probe, coordination and documentation gates
Fidelity: no camera containment found; manual target and FOV mismatch recorded

coordination/claims/M00-QAR-CAMERA-OCCLUDERS-001.md

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+# M00-QAR-CAMERA-OCCLUDERS-001 — Camera occluder diagnostic
+
+<!-- OPENWC_CLAIM:M00-QAR-CAMERA-OCCLUDERS-001:sindo-main-codex:2026-07-13 -->
+
+## Ownership
+
+- Target: M00
+- Program: QAR
+- Owner/Agent ID: sindo-main-codex
+- Branch: `work/sindo-main-codex/m00-camera-occluders`
+- Lease expires UTC: 2026-07-13
+- Integrator: milestone integrator
+
+## Outcome
+
+Report scene-tree M2/WMO geometry that contains calibrated cameras or intersects each camera-to-target segment.
+
+## Non-goals
+
+- Changing placements, cameras, FOV, culling, or renderer behavior.
+- Claiming full coverage of RenderingServer RID-only instances.
+- Implementing a production visibility or collision service.
+
+## Paths
+
+- Exclusive: `src/tools/probe_render_camera_occluders.gd`
+- Shared/hotspots: renderer baseline documentation
+- Generated/ignored: local JSON probe reports
+
+## Contracts and data
+
+- Public API/events: headless diagnostic CLI only
+- Schema/format version: report schema 1
+- Migration/compatibility: none
+- Consumers: M00 fidelity workflow
+
+## Dependencies
+
+- Requires: calibrated five-point manifest and streaming scene
+- Blocks: placement versus camera-composition classification
+- External state: local extracted/cache data
+
+## Verification
+
+- Commands: camera occluder probe, coordination and documentation gates
+- Fixtures: five calibrated camera/target segments
+- Fidelity evidence: scene-tree bounds at paired build 12340 viewpoints
+- Performance budget: offline diagnostic
+
+## Documentation deliverables
+
+- Inline public API docs: probe header and output fields
+- Module specification: verification/source map
+- Data-flow diagram: occluder probe flow
+- Sequence/state/dependency diagrams: synchronous diagnostic; not applicable
+- Source map/status updates: baseline findings
+
+## Simplicity and naming
+
+- Important names introduced: `camera_containing_geometry`, `segment_intersecting_geometry`
+- Simplest considered solution: transformed published AABBs
+- Rejected complexity/abstractions: GPU visibility readback or new BVH
+- Unavoidable complexity and justification: RID-only geometry cannot be named by this probe
+- Measured optimization evidence: not applicable
+
+## Status
+
+- State: ready
+- Done: five-point scene-tree AABB probe, containment/intersection classification and documentation
+- Next: integrator review; calibrate reproducible reference camera direction/FOV separately
+- Blocked by:
+
+## Handoff
+
+- Commit: branch HEAD
+- Results: zero containing geometry at all five cameras; expected WMO/liquid target intersections; ADT/dense segments unobstructed
+- Remaining risks: RID-only instances are excluded; manual reference direction and FOV were not recorded exactly
+- Documentation updated: `docs/RENDER_BASELINE.md`, `docs/modules/world-renderer.md`