2.4.31

Added

• Searchable connection catalog covering harnesses and ACP agents, with project
  favorites, recent connections, setup guidance and draft-preserving navigation.
• :connect status and explicit connection checks that distinguish configured
  credentials, local server/model reachability, generation and tool calling.
• Local model tool probes that validate function names and arguments without
  executing tools, plus optional live connection tests and cross-platform CI.
• :harness switch acp:<name> --fresh to start without previous conversation
  context, including resetting an existing warm ACP session before sending.
• gauge gate --require-ship to require L2 readiness and recorded ship approval.

Changed

• Label Build your own harness as Advanced in connection and setup guidance.
• Keep SDK/CLI and ACP account verification within their owning runtimes;
  explicit direct-model inference checks send no project context.

Fixed

• Avoid reporting saved credentials as verified provider readiness, and discard
  diagnostic results after the selected route or harness changes.
• Cancel native turns reliably and preserve cooperative ACP sessions, with
  bounded recovery for unresponsive agents and protection against stale timers.
• Refresh connection-menu configuration after rapid same-size edits on
  filesystems with coarse timestamps, and validate connection controls on Windows.
• Bound ACP conversation replay to the selected agent and 12,000 content
  characters, and allow explicit tool tests for unfamiliar local model names.