DGR-059: Implement alpha-safe route recovery #43

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popov · 2026-07-16T20:36:06Z

popov commented

2026-07-16 20:36:06 +00:00

DGR-059: Implement alpha-safe route recovery

Status / triage: specification only; ready-for-agent; passes: false
Execution mode: AFK
Milestone: M4
Dependencies: DGR-043, DGR-058
Blocks (derived): DGR-070
Labels: area:recovery, area:routing, type:hardening, priority:p1, ready-for-agent
Evidence class: fixture
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/059-implement-alpha-safe-route-recovery.md, and evidence READMEs for dependencies (DGR-043, DGR-058) before changing code. Inspect live source/tests rather than trusting legacy pass states. Objective: Recover from route loss without importing or continuing unverified state.

Acceptance criteria

On route loss or local-state cache miss, restart from token zero or re-prefill on a newly compatible route according to the locked alpha contract.
Never import KV, CSA, HCA, SWA, indexer, compressor, recurrent, or MTP cache/state across workers.
Keep exact same-route duplicate delivery idempotent while cross-route continuation fails closed.
Test direct/relay loss, cache miss, replacement selection, client cancellation, and billing reconciliation.
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.

Evidence handoff

Write and verify .scratch/distributed-gguf-runtime/evidence/DGR-059/README.md. Until every criterion and applicable gate has real evidence, this story remains passes: false. Legacy evidence is provenance only, not completion credit.

# DGR-059: Implement alpha-safe route recovery - **Status / triage:** specification only; `ready-for-agent`; `passes: false` - **Execution mode:** `AFK` - **Milestone:** `M4` - **Dependencies:** `DGR-043`, `DGR-058` - **Blocks (derived):** `DGR-070` - **Labels:** `area:recovery`, `area:routing`, `type:hardening`, `priority:p1`, `ready-for-agent` - **Evidence class:** `fixture` - **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/059-implement-alpha-safe-route-recovery.md`, and evidence READMEs for dependencies (DGR-043, DGR-058) before changing code. Inspect live source/tests rather than trusting legacy pass states. Objective: Recover from route loss without importing or continuing unverified state. ## Acceptance criteria - [ ] On route loss or local-state cache miss, restart from token zero or re-prefill on a newly compatible route according to the locked alpha contract. - [ ] Never import KV, CSA, HCA, SWA, indexer, compressor, recurrent, or MTP cache/state across workers. - [ ] Keep exact same-route duplicate delivery idempotent while cross-route continuation fails closed. - [ ] Test direct/relay loss, cache miss, replacement selection, client cancellation, and billing reconciliation. - [ ] 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. ## Evidence handoff Write and verify `.scratch/distributed-gguf-runtime/evidence/DGR-059/README.md`. Until every criterion and applicable gate has real evidence, this story remains `passes: false`. Legacy evidence is provenance only, not completion credit.

popov added this to the M4 milestone 2026-07-16 20:36:06 +00:00

popov added the priority:p1 area:routing ready-for-agent status:blocked area:recovery type:hardening labels 2026-07-16 20:36:06 +00:00

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Reference: popov/neuron-tai#43