fix-review

Multi-model PR review with parallel fan-out. Three Ollama models (Cloud :cloud by default, local fallback) review the full PR diff in parallel; Claude acts as Arbiter, using vote count as a confidence prior to confirm/escalate/dismiss findings, then applies a single consolidated fix commit. Auto-merges (squash) when no fixes were reverted and the PR is mergeable; otherwise leaves it for manual review. Usage:…