feat: checkpoint distributed gguf runtime stories

.scratch/distributed-gguf-runtime/evidence/DGR-011/BLOCKED.md

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+# DGR-011 — Blocked handoff
+
+Status: blocked
+Date: 2026-07-15
+
+## Blocker
+
+This story cannot be completed in the current workspace state because its
+mandatory dependency, DGR-010, is still not passed.
+
+Verified blockers:
+
+- `.scratch/distributed-gguf-runtime/prd.json` still marks `DGR-010` and
+  `DGR-011` with `"passes": false`.
+- `.scratch/distributed-gguf-runtime/evidence/DGR-010/README.md` does not
+  exist, and the only DGR-010 evidence artifact present is
+  `.scratch/distributed-gguf-runtime/evidence/DGR-010/BLOCKED.md`.
+- Mounted storage search found Qwen model artifacts and llama.cpp vocab files,
+  but no certified dense-Llama GGUF artifact suitable for the required real
+  acceptance run.
+
+## Verified current state
+
+- The repo already contains the Meshnet-facing GGUF backend seam and the
+  recipe-gated startup path from DGR-009.
+- The architecture and Ralph context require real-model execution for this
+  story, not synthetic workers or unit-only coverage.
+- The current environment does not expose the dense-Llama artifact required to
+  run the prerequisite local real-model acceptance, so the two-machine route
+  cannot be proven end to end.
+
+## Commands run
+
+```bash
+sed -n '1,260p' .scratch/distributed-gguf-runtime/RALPH-CONTEXT.md
+sed -n '1,260p' .scratch/distributed-gguf-runtime/issues/11-pass-a-real-heterogeneous-two-machine-route.md
+sed -n '1,260p' .ralph-tui/progress.md
+sed -n '1,240p' .scratch/distributed-gguf-runtime/evidence/DGR-010/BLOCKED.md
+sed -n '1,220p' CONTEXT.md
+sed -n '1,260p' docs/adr/0024-distributed-gguf-runtime.md
+sed -n '282,350p' .scratch/distributed-gguf-runtime/prd.json
+find /run/media/popov/d/DEV/models -maxdepth 3 \( -name '*.gguf' -o -name 'config.json' -o -name '*.safetensors' \)
+find /run/media/popov/d/DEV/llamacpp/llama.cpp/models /run/media/popov/d/DEV/models -maxdepth 4 \( -iname '*llama*' -o -iname '*dense*' -o -iname '*qwen*' -o -name 'config.json' -o -name '*.gguf' \)
+```
+
+## Known limitations
+
+- No certified dense-Llama artifact is available on mounted storage in this
+  workspace.
+- No real two-machine execution was possible, so there are no real route,
+  hardware, backend, or drift metrics to record for this story.
+- The story remains blocked until DGR-010 is completed with a real-model
+  evidence README and a confirmed dense-Llama artifact on mounted storage.
+
+## Compatibility notes
+
+- DGR-009's recipe-gated GGUF backend seam is present and can be reused.
+- The acceptance path for this story still requires the upstream real-model
+  evidence from DGR-010 before any heterogeneous two-machine route can be
+  claimed.
+
+## Dependent-story handoff
+
+- Finish DGR-010 first, including its real-model evidence README and
+  acceptance run.
+- Once DGR-010 passes, rerun the two-machine acceptance against the same
+  certified dense-Llama artifact, then record the two-host hardware/network
+  manifest, route, commands, and raw metrics in `evidence/DGR-011/README.md`.
+- Do not update the issue to `Status: done` until the real two-machine route
+  has been executed and recorded.