test(M00): record final paired evidence

coordination/claims/M00-QAR-FINAL-PAIRED-EVIDENCE-001.md

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+# M00-QAR-FINAL-PAIRED-EVIDENCE-001 — Final paired evidence audit
+
+<!-- OPENWC_CLAIM:M00-QAR-FINAL-PAIRED-EVIDENCE-001:sindo-main-codex:2026-07-14 -->
+
+## Ownership
+
+- Target: M00
+- Program: QAR
+- Owner/Agent ID: sindo-main-codex
+- Branch: `work/sindo-main-codex/m00-final-paired-evidence`
+- Lease expires UTC: 2026-07-14
+- Integrator: milestone integrator
+
+## Outcome
+
+Produce one final WMO-ready paired report for all available build 12340 references and reconcile the remaining M00 acceptance gaps.
+
+## Non-goals
+
+- Achieving renderer parity inside M00.
+- Calibrating unknown manual camera parameters.
+- Marking the target DONE; only the milestone integrator may do so.
+
+## Paths
+
+- Exclusive: paired-run exit handling and final evidence record
+- Shared/hotspots: renderer baseline/module findings
+- Generated/ignored: final captures and reports under `user://`
+
+## Contracts and data
+
+- Public API/events: visual comparison exit 0/1 both count as completed report generation
+- Schema/format version: unchanged
+- Migration/compatibility: comparator infrastructure errors remain fatal
+- Consumers: M00 integrator
+
+## Dependencies
+
+- Requires: merged region diagnostic and five private reference images
+- Blocks: integrator decision on M00 completion
+- External state: private images remain outside Git
+
+## Verification
+
+- Commands: complete paired baseline run, report audit, repository gates
+- Fixtures: five build 12340 references
+- Fidelity evidence: cold/warm comparison metrics and human gap classification
+- Performance budget: existing M00 capture budgets
+
+## Documentation deliverables
+
+- Inline public API docs: PowerShell comparison step semantics
+- Module specification: final evidence status
+- Data-flow diagram: unchanged
+- Sequence/state/dependency diagrams: unchanged
+- Source map/status updates: baseline acceptance summary
+
+## Simplicity and naming
+
+- Important names introduced: `Invoke-GodotComparisonStep`
+- Simplest considered solution: allow only comparator exit codes 0 and 1
+- Rejected complexity/abstractions: suppressing all process failures
+- Unavoidable complexity and justification: threshold exceedance is evidence, not infrastructure failure
+- Measured optimization evidence: not applicable
+
+## Status
+
+- State: ready-for-review
+- Done: paired-run exit contract fixed; full baseline and visual capture completed; ten pairs audited; final acceptance document written
+- Next: integrator decides animated/sky reference policy and GUI RID-risk disposition
+- Blocked by:
+
+## Handoff
+
+- Commit: this work-package commit
+- Results: compared=10, failed=10, missing=0; mean error 0.066892..0.176952; cold/warm gaps stable; full workflow returned success with threshold evidence preserved
+- Remaining risks: no build 12340 animated-M2 or sky-transition reference; GUI renderer RID/resources still reported at exit
+- Documentation updated: `docs/M00_FINAL_PAIRED_EVIDENCE.md`, `docs/modules/world-renderer.md`