# Iteration 3 Log

## Metadata

- **Task ID**: DGR-008
- **Task Title**: Build the standalone C++ gRPC Shard worker
- **Description**: MANDATORY FRESH-SESSION CONTEXT: Read `.scratch/distributed-gguf-runtime/RALPH-CONTEXT.md` and `.scratch/distributed-gguf-runtime/issues/08-build-the-standalone-c-grpc-shard-worker.md` completely befo...
- **Status**: failed
- **Task Completed**: Yes
- **Promise Detected**: Yes
- **Started At**: 2026-07-15T19:03:14.263Z
- **Ended At**: 2026-07-15T19:05:38.041Z
- **Duration**: 2m 23s
- **Input Tokens**: 78
- **Output Tokens**: 9577
- **Total Tokens**: 9655
- **Agent**: claude
- **Model**: claude-opus-4-8
- **Sandbox Mode**: auto
- **Sandbox Network**: Enabled
--- RAW OUTPUT ---
I'll start by reading the mandatory context files before touching any code.
[Read] /run/media/popov/d/DEV/repos/d-popov.com/AI/.claude/worktrees/distributed-gguf-runtime/.scratch/distributed-gguf-runtime/RALPH-CONTEXT.md
[Read] /run/media/popov/d/DEV/repos/d-popov.com/AI/.claude/worktrees/distributed-gguf-runtime/.scratch/distributed-gguf-runtime/issues/08-build-the-standalone-c-grpc-shard-worker.md
[Read] /run/media/popov/d/DEV/repos/d-popov.com/AI/.claude/worktrees/distributed-gguf-runtime/.ralph-tui/progress.md
Now let me read the dependency evidence and inspect the existing native code structure.
[Bash] $ echo "=== evidence dirs ===" && ls -la .scratch/distributed-gguf-runtime/evidence/ && echo "=== nati...
[Read] /run/media/popov/d/DEV/repos/d-popov.com/AI/.claude/worktrees/distributed-gguf-runtime/.scratch/distributed-gguf-runtime/prd.json
Let me check the actual contents of the dependency evidence directories.
[Bash] $ done
All evidence exists. Let me read the dependency READMEs and key source files.
[Read] /run/media/popov/d/DEV/repos/d-popov.com/AI/.claude/worktrees/distributed-gguf-runtime/.scratch/distributed-gguf-runtime/evidence/DGR-002/README.md
[Read] /run/media/popov/d/DEV/repos/d-popov.com/AI/.claude/worktrees/distributed-gguf-runtime/.scratch/distributed-gguf-runtime/evidence/DGR-003/README.md
[Read] /run/media/popov/d/DEV/repos/d-popov.com/AI/.claude/worktrees/distributed-gguf-runtime/.scratch/distributed-gguf-runtime/evidence/DGR-004/README.md
Let me read the remaining evidence and the core source files I'll need to build against.
[Read] /run/media/popov/d/DEV/repos/d-popov.com/AI/.claude/worktrees/distributed-gguf-runtime/.scratch/distributed-gguf-runtime/evidence/DGR-006/README.md
[Read] /run/media/popov/d/DEV/repos/d-popov.com/AI/.claude/worktrees/distributed-gguf-runtime/.scratch/distributed-gguf-runtime/evidence/DGR-007/README.md
Now let me examine the proto schema, the loader, and check the Python/gRPC environment.
[Read] /run/media/popov/d/DEV/repos/d-popov.com/AI/.claude/worktrees/distributed-gguf-runtime/packages/node/native/proto/shard_runtime.proto
[Bash] $ which cmake protoc grpc_cpp_plugin g++ 2>&1

[Error: Exit code 3
=== python ===
Python 3.14.6
=== grpc ===
grpc 1.82.1
=== grpc_tools ===
grpc_tools ok
=== protobuf ===
protobuf 7.35.1
=== numpy ===
numpy 2.4.4
=== cmake ===
/usr/bin/which: no cmake in (/home/popov/.bun/bin:/home/popov/.local/bin:/home/popov/.bun/bin:/home/linuxbrew/.linuxbrew/bin:/home/linuxbrew/.linuxbrew/sbin:/run/media/popov/d/DEV/repos/d-popov.com/gogo2:/home/popov/.npm-global/bin:/home/popov/.opencode/bin:/home/popov/.local/bin:/home/popov/bin:/home/popov/.hermes/hermes-agent/venv/bin:/home/popov/.hermes/hermes-agent/node_modules/.bin:/usr/bin:/home/popov/.local/bin:/home/popov/.npm-global/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/home/popov/.dotnet/tools:/var/lib/snapd/snap/bin:/home/popov/.lmstudio/bin:/home/popov/.lmstudio/bin)
/usr/bin/which: no protoc in (/home/popov/.bun/bin:/home/popov/.local/bin:/home/popov/.bun/bin:/home/linuxbrew/.linuxbrew/bin:/home/linuxbrew/.linuxbrew/sbin:/run/media/popov/d/DEV/repos/d-popov.com/gogo2:/home/popov/.npm-global/bin:/home/popov/.opencode/bin:/home/popov/.local/bin:/home/popov/bin:/home/popov/.hermes/hermes-agent/venv/bin:/home/popov/.hermes/hermes-agent/node_modules/.bin:/usr/bin:/home/popov/.local/bin:/home/popov/.npm-global/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/home/popov/.dotnet/tools:/var/lib/snapd/snap/bin:/home/popov/.lmstudio/bin:/home/popov/.lmstudio/bin)
/usr/bin/which: no grpc_cpp_plugin in (/home/popov/.bun/bin:/home/popov/.local/bin:/home/popov/.bun/bin:/home/linuxbrew/.linuxbrew/bin:/home/linuxbrew/.linuxbrew/sbin:/run/media/popov/d/DEV/repos/d-popov.com/gogo2:/home/popov/.npm-global/bin:/home/popov/.opencode/bin:/home/popov/.local/bin:/home/popov/bin:/home/popov/.hermes/hermes-agent/venv/bin:/home/popov/.hermes/hermes-agent/node_modules/.bin:/usr/bin:/home/popov/.local/bin:/home/popov/.npm-global/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/home/popov/.dotnet/tools:/var/lib/snapd/snap/bin:/home/popov/.lmstudio/bin:/home/popov/.lmstudio/bin)
/usr/bin/g++]
Environment: gRPC + grpc_tools + protobuf + numpy available in Python 3.14; but no cmake/protoc/grpc_cpp_plugin/libprotobuf (only g++). This shapes the architecture. Let me read the loader, the contract modules, and the native scaffold.
[Read] /run/media/popov/d/DEV/repos/d-popov.com/AI/.claude/worktrees/distributed-gguf-runtime/packages/node/meshnet_node/native_protocol/__init__.py
[Read] /run/media/popov/d/DEV/repos/d-popov.com/AI/.claude/worktrees/distributed-gguf-runtime/packages/node/meshnet_node/boundary_adapter.py
Now let me read the KV manager, recipe identity, and gguf ownership modules.
[Read] /run/media/popov/d/DEV/repos/d-popov.com/AI/.claude/worktrees/distributed-gguf-runtime/packages/node/meshnet_node/hot_kv_state.py
[Read] /run/media/popov/d/DEV/repos/d-popov.com/AI/.claude/worktrees/distributed-gguf-runtime/packages/node/meshnet_node/runtime_recipe.py
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