62 lines
3.1 KiB
Markdown
62 lines
3.1 KiB
Markdown
# 04 — Create the reproducible pinned llama.cpp patch stack
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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-004` 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 maintainer, I need a small auditable fork boundary so that upstream updates do not turn the runtime into an unmaintainable stitched codebase.
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## Expected durable outputs
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- Exact llama.cpp upstream pin
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- Numbered minimal patch stack
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- Reproducible fetch/apply/build smoke
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- evidence/DGR-004/README.md
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## Acceptance criteria
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- [ ] Pin one exact llama.cpp commit through a reproducible source dependency mechanism.
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- [ ] Store a numbered minimal patch stack separately from Meshnet networking code.
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- [ ] Add a build script that applies/checks patches and builds the standalone worker without manual source copying.
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- [ ] Record upstream file/ABI assumptions and fail clearly when the pin changes.
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- [ ] Preserve upstream license and attribution notices.
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- [ ] Add a clean rebuild smoke test that does not download a model.
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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-004/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-001` must have `passes: true`; read `../evidence/DGR-001/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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