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sindoring ba81098797 test(M00): close renderer baseline milestone

Work-Package: M00-QAR-INTEGRATOR-CLOSEOUT-001
Agent: sindo-main-codex
Tests: post-merge render baseline dry-run; comparator self-test; coordination and documentation gates
Fidelity: records seven build-12340 reference categories and measured gaps without claiming parity

2026-07-13 13:16:52 +04:00

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M00-QAR-GUI-RID-SHUTDOWN-001 — GUI capture RID shutdown

Ownership

Target: M00
Program: QAR
Owner/Agent ID: sindo-main-codex
Branch: work/sindo-main-codex/m00-gui-rid-shutdown
Lease expires UTC: 2026-07-15
Integrator: milestone integrator

Outcome

Identify ownership of GUI render-baseline shutdown leaks and apply the smallest regression-covered fix that lets queued world resources release before engine teardown.

Non-goals

Renderer architecture decomposition.
Hiding or filtering Godot leak diagnostics.
Changing M00 status, Evidence or OPENWC_TARGET_DONE.

Paths

Exclusive: capture shutdown sequencing and its regression diagnostic
Shared/hotspots: src/tools/capture_render_checkpoints.gd, renderer module shutdown documentation
Generated/ignored: GUI capture output and verbose logs under user://

Contracts and data

Public API/events: unchanged
Schema/format version: unchanged
Migration/compatibility: capture images and report schema remain unchanged
Consumers: M00 baseline runner and milestone integrator

Dependencies

Requires: merged seven-reference evidence audit
Blocks: integrator disposition of the final GUI renderer leak risk
External state: proprietary references are not required for the focused shutdown regression

Verification

Commands: focused GUI single-checkpoint capture with verbose shutdown, headless project load, manifest/self-tests, repository gates
Fixtures: existing non-proprietary render-baseline manifest and local extracted corpus
Fidelity evidence: no visual behavior change; focused PNG hash/report remains valid
Performance budget: shutdown-only change

Documentation deliverables

Inline public API docs: shutdown method semantics if introduced
Module specification: shutdown ownership and observed leak status
Data-flow diagram: unchanged
Sequence/state/dependency diagrams: update shutdown sequence only if behavior changes
Source map/status updates: capture tool if changed

Simplicity and naming

Important names introduced: _release_runtime_caches_for_shutdown, _free_detached_node_cache, _queue_free_streamed_node
Simplest considered solution: explicitly release capture-owned scene references and drain deferred deletion
Rejected complexity/abstractions: global RID registry or suppressed engine diagnostics
Unavoidable complexity and justification: async streaming jobs must finish before resource ownership can drain
Measured optimization evidence: not applicable

Status

State: ready-for-review
Done: reproduced the focused leak; assigned detached prototype/resource caches and empty liquid roots to explicit owners; added a headless regression; verified zero Node/resource/RID leak lines in focused and seven-checkpoint GUI captures
Next: integrator review and disposition of the residual engine-level zero-reference RefCounted diagnostic
Blocked by:

Handoff

Commit: this work-package commit
Results: before the fix the focused capture retained 6 mesh, 6 material, 4 shader, 6 texture, 6 instance and RenderingDevice RIDs (30 resources); after the fix focused and seven-checkpoint captures retained none
Remaining risks: D3D12 descriptor fallback remains unrelated; Godot can report a timing-dependent anonymous RefCounted whose reference count is already zero, without retained Node/resource/RID ownership
Documentation updated: RENDER.md, docs/modules/world-renderer.md, docs/M00_FINAL_PAIRED_EVIDENCE.md; existing renderer shutdown sequence updated, no new diagram required

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