ci: migrate to reusable opencode-review-threads workflows (v1.3.1)

Closed
TO
25d ago
+80-313

Migration to the tonythethompson/opencode-review-threads reusable workflow pair (bot + review) now pinned at v1.4.0. use-github-token: true retained (no OpenCode App on this repo; posts as github-actions[bot]). Includes caller bot-actor gate, CONTEXT7_API_KEY passthrough, and the existing cf-first/zen-fallback probe chains. Generated with Devin

Summary by CodeRabbit

  • New Features
    • Automated OpenCode reviews now run when pull requests are opened, updated, reopened, or marked ready for review.
    • Authorized contributors can request OpenCode assistance through comments or a manual workflow run with a prompt.