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v0.5.0 — Composable Core + Daemon Scalability

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@chiruu12 chiruu12 released this 31 May 11:59
· 62 commits to main since this release
v0.5.0
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Hive v0.5.0 Release Notes

Headline: A Composable Core That Scales

This release hardens and decouples Hive's shared core. The runtime Agent is now
a clean, standalone, streaming-capable building block, and the daemon runs many
agents concurrently. Most changes are additive -- the public Agent, provider,
and toolkit APIs stay backward compatible.

What's New

Streaming

  • BaseProvider.generate_stream() + StreamEvent -- token streaming with a base
    fallback so every provider works out of the box.
  • Native streaming for Anthropic and OpenAI-compatible providers (Groq, Fireworks,
    Ollama, LM Studio, OpenRouter).
  • Agent(on_text=...) streams assistant text token-by-token during run().

Provider capabilities & availability

  • Capability + supports(...) -- branch on what a provider can do, not its class.
  • Availability + availability() -- distinguishes "no API key" from "unreachable";
    hive models now shows the reason for unavailable local servers.

Daemon scalability

  • Agent cycles run concurrently with bounded concurrency
    (daemon.max_concurrent_agents, default 8). Each cycle is isolated, so one slow,
    timed-out, or failing agent never blocks or breaks the others.
  • Per-agent provider and profile are cached across cycles.

Framework polish

  • Concurrent tool execution -- multiple tool calls in one model turn run in
    parallel, with per-call error isolation and ordered results.
  • Typed errors -- HiveError, AgentNotFoundError, ProfileNotFoundError.
  • Standalone Agent is first-class: 2-line usage, no daemon (see example 23).
  • InstructionLike protocol unifies Instructions / Persona / custom objects.
  • Structured output works on every provider (prompt-based fallback default).

Persistence

  • SQLite store gained indexes on hot columns and versioned migrations
    (PRAGMA user_version) that upgrade older databases in place.

Tools

  • ClipboardToolkit.read_clipboard -- read the system clipboard, complementing the
    existing copy tools.

Upgrade

pip install --upgrade hive-agent

No code changes required for existing agents. To stream, pass on_text=... to
Agent; to bound daemon throughput, set daemon.max_concurrent_agents.

Stats

  • Anthropic, OpenAI, Groq, Fireworks, Ollama, LM Studio, OpenRouter providers
  • Full test suite green on Python 3.11 / 3.12 / 3.13
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