58 lines
2.9 KiB
Markdown
58 lines
2.9 KiB
Markdown
# 03 — Define exact Artifact and runtime recipe identity
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Status: done
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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-003` 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 the Tracker, I need exact compatibility identity so that only numerically and operationally compatible Shards form an Inference Route.
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## Expected durable outputs
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- Exact runtime recipe/fingerprint implementation
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- Tracker/node fail-closed admission tests
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- evidence/DGR-003/README.md
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## Acceptance criteria
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- [x] Separate weight quantization, activation dtype, compute dtype, KV dtype/layout, tokenizer revision, architecture adapter, backend, and runtime version.
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- [x] Bind derivative or split artifacts to an exact source Model Artifact hash and Shard range.
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- [x] Produce a stable compatibility fingerprint used by capability admission and the gRPC handshake.
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- [x] Fail closed on mismatched artifact, tokenizer, architecture, range, boundary schema, activation recipe, or cache layout.
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- [x] Keep unsupported recipes registered-but-dark until a real distributed forward certifies them.
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- [x] Targeted pytest tests pass
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- [x] python -m compileall packages tests passes for Python changes
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- [x] git diff --check passes
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- [x] Default tests remain deterministic, model-download-free, API-credit-free, and GPU-free
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- [x] Full deterministic pytest -q passes, or the exact pre-existing unrelated failure is recorded with a clean-tree reproduction
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- [x] Read .scratch/distributed-gguf-runtime/RALPH-CONTEXT.md and this story issue completely before changing code
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- [x] Read and verify every dependency evidence README before relying on dependency behavior
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- [x] Preserve all pre-existing working-tree changes and stage only files belonging to this story
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- [x] Write .scratch/distributed-gguf-runtime/evidence/DGR-003/README.md with files changed, exact commands and real results, limitations, compatibility notes, and dependent-story handoff
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- [x] 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` and `DGR-017` must have `passes: true`; read both evidence READMEs and verify their 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](../ADR-0020-distributed-gguf-runtime.md)
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