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neuron-tai/.scratch/distributed-gguf-runtime/issues/025-define-exact-artifact-and-runtime-recipe-identity.md
Dobromir Popov ad66f7a4d8 feat: pin runtime identity to the exact llama.cpp patch stack (DGR-025)
Derive the recipe's runtime_version axis from the DGR-027 lock manifest
(exact upstream commit + ordered patch-stack byte digest) in new
meshnet_node.runtime_pin, failing closed on any lock/series/SHA256SUMS/
patch disagreement, and enforce pin discipline on runtime_version in both
the node and tracker identity implementations.

Also repair pre-existing backlog consistency: add missing DGR-022/DGR-027
completionNotes, regenerate the DGR-022/025/027 issue projections, and
relocate three pre-DGR legacy GLM issue files to issues/legacy/. Mark
DGR-025 passes=true with evidence at evidence/DGR-025/README.md.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-17 22:59:22 +03:00

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2.9 KiB
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<!-- GENERATED FROM prd.json — DO NOT EDIT AS AN INDEPENDENT SOURCE. prd.json IS AUTHORITATIVE. -->
# DGR-025: Define exact artifact and runtime recipe identity
- **Status / triage:** completed; `passes: true`
- **Execution mode:** `AFK`
- **Milestone:** `M1`
- **Dependencies:** `DGR-018`, `DGR-021`
- **Blocks (derived):** `DGR-026`, `DGR-031`, `DGR-041`, `DGR-044`
- **Labels:** `area:identity`, `area:admission`, `type:domain`, `priority:p0`, `ready-for-agent`
- **Evidence class:** `model-free`
- **Hardware:** `none`
- **Model:** `generic`
- **Upstream:** `no`
## Objective / description
Fresh Ralph session: read `.scratch/distributed-gguf-runtime/RALPH-CONTEXT.md`, source issue `.scratch/distributed-gguf-runtime/issues/025-define-exact-artifact-and-runtime-recipe-identity.md`, and evidence READMEs for dependencies (DGR-018, DGR-021) before changing code. Inspect live source/tests rather than trusting legacy pass states. Objective: Ensure the tracker and worker only combine numerically and operationally compatible shards.
## Acceptance criteria
- [x] Fingerprint source artifact SHA, tokenizer revision, architecture adapter/version, boundary schema, runtime pin/patch stack, backend, quant, activation/compute dtype, and KV/state layout.
- [x] Bind each shard to an exact half-open range without hardcoding a topology or quant.
- [x] Fail closed on any artifact, adapter, boundary, cache, backend, or runtime mismatch.
- [x] Unsupported recipes remain registered-but-dark until real-hardware evidence certifies them.
- [x] Applicable shared quality gates in `prd.json` pass, and the evidence handoff records exact commands/results, changed files, limitations, and dependency handoff.
## Shared quality gates
- Targeted deterministic tests pass; Python changes also pass `python -m compileall packages tests`.
- `git diff --check` passes.
- Default tests are model-download-free, API-credit-free, and GPU-free.
- Evidence README records exact changed files, commands/results, limitations, and dependency handoff; no fabricated evidence or inherited completion credit.
- Native changes pass focused out-of-tree CMake build and CTest; patch changes verify clean apply/check/reverse against the exact llama.cpp pin.
- Runs are opt-in and record exact artifact/split hashes, runtime/upstream pin, backend/driver, hardware, network, commands, and raw metrics. Model artifacts use configured mounted-drive storage and never `/home`.
- Preserve existing Transformers behavior and backend-agnostic Tracker routing/load balancing/billing/relay semantics unless an explicit versioned contract says otherwise. One scoped story commit is expected during execution, but this specification-materialization change is not committed.
## Evidence handoff
Verified evidence: `.scratch/distributed-gguf-runtime/evidence/DGR-025/README.md`. Legacy evidence remains provenance only and grants no implementation completion credit.