v0.5.1 — Resilient No-Tools Wrap-Up (Groq tool_use_failed recovery)

Hive v0.5.1 Release Notes

Headline: Resilient No-Tools Wrap-Up Across Strict Providers

A focused reliability fix. When Agent.run_once finishes its tool loop it makes a
final wrap-up call with no tools offered. If the model still emits a tool call on
that call -- common on multi-action requests -- strict OpenAI-compatible providers
(notably Groq) reject it with a tool_use_failed 400, failing the whole turn
even though the tools that ran during the loop already persisted.

What's Fixed

• Provider-agnostic recovery in the OpenAI-compatible adapter: a tool_use_failed
  rejection on a no-tools request is detected by error code/message (no provider
  hardcoding) and recovered with a single bounded retry carrying a strong text-only
  instruction. If the retry still fails, the turn completes with clean text instead
  of raising -- the tools already ran. Covers both generate_with_metadata and
  generate_stream.
• Belt-and-suspenders nudge at the agent layer: Agent.run_once now appends a
  "tool budget exhausted, reply in plain text" system message before the final
  wrap-up call, reducing the chance of hitting the error at all.

A multi-action turn (e.g. "make three notes") now completes on Groq without surfacing
a 400.

Upgrade

pip install --upgrade hive-agent

No code changes required. The happy path (tools provided, or no error) is unchanged.