99 lines
4.4 KiB
Markdown
99 lines
4.4 KiB
Markdown
# M03-RND-M2-BUILD-RESOURCE-SNAPSHOT-001
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<!-- OPENWC_CLAIM:M03-RND-M2-BUILD-RESOURCE-SNAPSHOT-001:sindo-main-codex:2026-07-20 -->
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## Owner
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- Agent ID: `sindo-main-codex`
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- Target: M03 Renderer Facade and Safe Extraction
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- Branch: `work/sindo-main-codex/m03-m2-build-resource-snapshot`
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- Worktree: `C:\Users\sindo\open-wc-worktrees\m03-m2-build-resource-snapshot`
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## Outcome
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Replace loose per-step M2 animated/static resource variables with a typed
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observation snapshot consumed by the dispatch planner and materializer adapter.
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## Non-goals
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- Move ResourceLoader I/O, cache lookup/request execution or retry ownership.
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- Own or free prototype Nodes or Mesh Resources.
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- Change dispatch priority, batch sizing, queue ordering, permits or visuals.
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- Change M2 cache paths, formats, allowlists or native animation selection.
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## Paths
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- Exclusive: `src/render/m2/m2_build_resource_snapshot.gd`,
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`src/tools/verify_m2_build_resource_snapshot.gd`,
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`docs/modules/m2-build-resource-snapshot.md`, this claim
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- Shared/hotspots: `src/render/m2/m2_build_dispatch_planner.gd`, its verifier/spec,
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`src/scenes/streaming/streaming_world_loader.gd`, M2 queue/materializer/cache
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specs and tests, `docs/modules/world-renderer.md`, `docs/modules/README.md`,
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`RENDER.md`, `targets/03-renderer-facade.md`
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- Generated/ignored: `.godot`, native DLL, generated resources/caches and proprietary corpus
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## Contracts and data
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- Snapshot retains normalized path, optional animated prototype, animation
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request state, optional static Mesh and terminal missing-model state.
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- Static observation is adopted only after animation is not pending, the batch
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is positive and no animated prototype exists.
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- Accessors borrow exact engine references without transferring/freeing ownership.
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- Diagnostics expose only path and scalar availability flags.
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## Dependencies
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- Requires: accepted M2 dispatch planner on master `b113db0`
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- Blocks: extracting M2 resource observation/request service ownership
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- External state: prototype/cache/pipeline/resource lifetime remains loader-owned
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## Verification
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- Commands: dedicated identity/adoption/diagnostic/lifetime/source/timing verifier;
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dispatch/queue/batch/materializer/cache/pipeline/shutdown/facade/internal-access/
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manifest regressions; documentation, coordination and checkpoint dry-run gates
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- Fixtures: synthetic Node3D prototype and ArrayMesh resources
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- Fidelity evidence: exact resource presence/pending/missing values and branch order
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- Performance budget: 20,000 snapshot construct/adopt/read cycles under one second
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## Documentation deliverables
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- Inline API docs
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- Module spec with inputs/outputs, ownership and source map
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- Data-flow, lifecycle/state, sequence and dependency diagrams
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- Adjacent dispatch/queue/world-renderer/module-registry/RENDER updates
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## Simplicity and naming
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- Important name: `M2BuildResourceSnapshot`
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- Simplest solution: one small RefCounted value holder with explicit accessors
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- Rejected complexity: generic resource union, signals, callbacks and cache ownership
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- Unavoidable complexity: two-phase animation then optional static observation
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- Measured optimization evidence: bounded synthetic lifecycle loop
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## Status
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- State: integration accepted
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- Done: implementation, verification, documentation and worktree handoff
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- Next: extract the M2 resource observation/request producer service
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- Blocked by:
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## Handoff
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- Commit: `ec1b90f1e44037572e3e5052e6dedc016c29859a`
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- Results: resource snapshot `cases=12 iterations=20000 elapsed_ms=42.995`;
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dispatch planner remained green; all autonomous headless regressions `54/54`;
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internal access `private_symbols=30`; baseline manifest/dry-run `7/7`;
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documentation `module_specs=41`; coordination passed with 30 historical warnings.
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- Remaining risks: proprietary ADT visual/p95/p99 evidence is unavailable;
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resource lookup/request execution, action execution, permits and engine lifetime
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intentionally remain loader-owned.
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- Documentation updated: new `m2-build-resource-snapshot.md` with API/I/O,
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data-flow, lifecycle, sequence, dependency and ownership diagrams; dispatch/
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queue/world renderer specs, module registry, RENDER and M03 Evidence updated.
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- Integration: master merge `4354834c50ae426640c721041af67d5265e82205`;
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post-merge snapshot `cases=12 iterations=20000 elapsed_ms=42.211`, dispatch
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planner and twelve adjacent resource/materializer/lifetime/facade/internal-
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access/manifest checks, documentation and coordination all passed; checkpoint
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dry-run retained `7/7` plans.
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