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v0.15.0

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@github-actions github-actions released this 29 May 15:56
· 180 commits to main since this release
v0.15.0
2e363d5

Highlights

Holon v0.15.0 is a major release: 85 commits, 215 files changed. The core themes are API/CLI Contract Stabilization and Runtime Model Refinement.

API & CLI Contract Stabilization

  • Introduced OpenAPI Schema baseline with generated and snapshotted HTTP route manifest
  • Established CLI contract snapshot system: CLI/API contract manifest, stability policy, exit code contract, control-plane JSON output normalization
  • Hardened HTTP error envelope contract and success response shapes
  • New CLI subcommands: WorkItem inspection, Task lifecycle, Stable Event
  • Exposed WorkItem/Wait/Timer lifecycle HTTP endpoints

Runtime Core Model

  • Unified Runtime ID generation strategy, allocated ledger sequence field, preserved ID entropy
  • Cleaned up Trust/Authority model: removed transitional TrustLevel, unified under authority_class; backward-compatible MessageEnvelope deserialization
  • Agent lifecycle alignment: hardened WaitFor runtime contract, removed blocking task wait policy
  • Cross-WorkItem TaskResult downgraded to background notification, preventing duplicate completion pushes
  • Text-only turn tight-loop fix; Sleep tool hidden from agent

Tool Surface Improvements

  • ExecCommandBatch schema cleanup + MemoryGet cross-workspace lookup fix
  • ApplyPatch diff path semantics clarification
  • Tool Surface Layering RFC, aligning model-side tool contracts

Daemon Reliability

  • daemon stop uses recorded runtime address, preventing accidental kill of unrelated processes
  • daemon status no longer returns orphaned state for stopped daemons
  • Always binds localhost listener, guarding daemon socket lifecycle
  • probe_runtime correctly reports Running when socket is absent but PID is alive

WorkItem & Scheduler

  • WorkItem HTTP mutation endpoint: objective/plan_status/todo_list updatable via API
  • wait-for WorkItem contract: WaitFor linked with WorkItem blocked state
  • Timer cancellation lifecycle endpoint

Docs & RFCs

  • Three new RFCs: Runtime ID/Sequence, Visual Observation, Tool Surface Layering
  • Runtime spec restructured as an aggregate index page
  • Fixed docgen tool and 40 broken links on the docs site

Installation

Homebrew:

brew tap holon-run/tap
brew install holon

Direct download:

curl -L "https://github.com/holon-run/holon/releases/download/v0.15.0/holon-linux-amd64.tar.gz" | tar -xz
chmod +x holon
./holon --help

For macOS, replace holon-linux-amd64.tar.gz with holon-darwin-amd64.tar.gz or holon-darwin-arm64.tar.gz.

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