62 lines
3.2 KiB
Markdown
62 lines
3.2 KiB
Markdown
# 06 — Implement architecture-defined boundary input/output
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Status: ready-for-agent
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## Mandatory fresh-session context
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- Read [RALPH-CONTEXT.md](../RALPH-CONTEXT.md) completely before changing code.
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- This issue is `DGR-006` in [prd.json](../prd.json).
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- Read the evidence README for every dependency listed below.
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- Inspect current code and `git status`; historical text and previous agent claims are not evidence.
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## Description
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As a Shard, I need to consume and emit the correct transformer boundary state so that disjoint processes reproduce whole-model execution.
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## Expected durable outputs
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- Architecture boundary adapter
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- Whole-model/two-range parity tests and results
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- evidence/DGR-006/README.md
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## Acceptance criteria
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- [ ] Head accepts token IDs and owns token embedding.
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- [ ] Middle/tail bypass token embedding and accept the named boundary bundle.
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- [ ] Non-tail emits the unnormalized architecture-defined residual/boundary before final norm/head and before tail-only row pruning.
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- [ ] Tail emits logits or token output through an explicit sampling contract.
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- [ ] Dense-Llama whole-model versus two-range prefill and greedy-decode parity passes the documented tolerance.
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- [ ] The adapter interface fails closed for uncertified architectures.
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- [ ] Targeted pytest tests pass
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- [ ] python -m compileall packages tests passes for Python changes
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- [ ] git diff --check passes
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- [ ] Default tests remain deterministic, model-download-free, API-credit-free, and GPU-free
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- [ ] Full deterministic pytest -q passes, or the exact pre-existing unrelated failure is recorded with a clean-tree reproduction
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- [ ] Pinned native C++ target builds and focused CTest/protocol tests pass where native code is touched
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- [ ] llama.cpp patch stack applies cleanly to the exact pinned commit where patch code is touched
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- [ ] Read .scratch/distributed-gguf-runtime/RALPH-CONTEXT.md and this story issue completely before changing code
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- [ ] Read and verify every dependency evidence README before relying on dependency behavior
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- [ ] Preserve all pre-existing working-tree changes and stage only files belonging to this story
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- [ ] Write .scratch/distributed-gguf-runtime/evidence/DGR-006/README.md with files changed, exact commands and real results, limitations, compatibility notes, and dependent-story handoff
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- [ ] Update only this story issue to Status: done after every acceptance criterion and quality gate passes
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## Dependency handoff
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- `DGR-002` must have `passes: true`; read `../evidence/DGR-002/README.md` and verify its referenced files/commands.
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- `DGR-005` must have `passes: true`; read `../evidence/DGR-005/README.md` and verify its referenced files/commands.
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## Finish contract
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- Create the task evidence directory and durable handoff required above.
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- Preserve real failures and blockers; never fabricate benchmark, model, test or hardware output.
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- Change this issue to `Status: done` only after all criteria pass.
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- Emit `<promise>COMPLETE</promise>` only after the evidence handoff exists.
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## References
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- [Ralph execution context](../RALPH-CONTEXT.md)
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- [PRD](../PRD.md)
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- [Implementation strategy](../implementation-strategy.md)
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- [Current architecture](../architecture.md)
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- [Architecture decision](../../docs/adr/0024-distributed-gguf-runtime.md)
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