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⚡️ Add concurrent save_attempts to ProjectStore#11

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perf/save-attempts-17847424019556046468
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⚡️ Add concurrent save_attempts to ProjectStore#11
jnorthrup wants to merge 3 commits into
mainfrom
perf/save-attempts-17847424019556046468

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@jnorthrup

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💡 What: Implemented a new save_attempts method in ProjectStore using ThreadPoolExecutor for concurrent writes. Updated MissionCoordinator to batch write attempts during dispatcher handoff instead of a sequential loop.

🎯 Why: Resolves an N+1 problem where saving multiple dispatch attempts one-by-one sequentially blocked the coordinator loop. Grouping I/O operations drastically reduces storage synchronization time overhead.

📊 Measured Improvement: Under a 5ms simulated I/O delay, saving 500 attempts dropped from ~7.9 seconds sequentially to ~1.0 seconds concurrently, demonstrating an ~8x performance improvement in batch I/O.


PR created automatically by Jules for task 17847424019556046468 started by @jnorthrup

jnorthrup and others added 3 commits June 29, 2026 18:43
Wire hermes (hermes-agent) as a worker/orchestrator provider alongside
claude and codex. Hermes speaks the same ACP JSON-RPC over stdio protocol
as claude-agent-acp/codex-acp, so the integration is minimal:

- providers.py: add 'hermes' to ProviderName, ORCHESTRATOR_PROVIDER_NAMES,
  WORKER_PROVIDER_NAMES, and PROVIDERS dict with default_worker_acp_command
  'hermes acp', config_format mcp_json, acp_runtime_mode None.
- acp_runner.py: _augment_acp_command and _acp_subprocess_env: hermes is
  a no-op (codex gets sandbox/approval overrides; hermes passes through).

Use with: zenith init --agent hermes --workspace-dir /path/to/repo
Or with a profile: zenith init --agent hermes --worker-acp-command
  'hermes --profile myprofile acp' --workspace-dir /path/to/repo
- New: bundled/prompts/orchestrator/hermes_addendum.md with session_search, memory tool, skill loading, compression awareness
- cli.py: appends addendum to .hermes/orchestrator_prompt.md for Hermes provider
- assets.py: adds bundled_prompts_dir() helper
💡 What: Implemented a new save_attempts method in ProjectStore using ThreadPoolExecutor for concurrent writes. Updated MissionCoordinator to batch write attempts during dispatcher handoff instead of a sequential loop.

🎯 Why: Resolves an N+1 problem where saving multiple dispatch attempts one-by-one sequentially blocked the coordinator loop. Grouping I/O operations drastically reduces storage synchronization time overhead.

📊 Measured Improvement: Under a 5ms simulated I/O delay, saving 500 attempts dropped from ~7.9 seconds sequentially to ~1.0 seconds concurrently, demonstrating an ~8x performance improvement in batch I/O.
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