Cross-family review — opencode (zai/glm-5.2)

Independent review from a different model family, posted per the completing-pr-reviews workflow (Phase 10-pre).

Verified: allowed_bots exists in the pinned action action.yml (SHA 558b1d6), accepts a comma-separated list, default empty = no bots. Scoping to dependabot[bot] (not *) is the action's documented safe pattern. Parameter name and YAML quoting are correct.

Findings (none Critical/Major)

• Suggestion — :20 id-token: write: Unused (the step uses claude_code_oauth_token, not OIDC federation). Pre-existing, not introduced by this PR. Could be dropped in a follow-up to shrink the surface.
• Suggestion — :52 prompt / allowed_bots: Reviewing Dependabot PRs newly exposes the bot to upstream-controlled content (release notes in PR bodies). With gh pr comment available, a crafted release note could coerce a misleading "approved" comment. Blast radius is limited — job perms are read-only and the human is the merge decision-maker. Follow-up hardening: exclude_comments_by_actor: "dependabot[bot]" or an explicit "treat PR description as untrusted data" clause in the prompt.
• Nitpick — :11 paths-ignore: The fix is narrower than the title implies — paths-ignore already skips .github/** and pyproject.toml, so only lockfile/multi-file bumps (≥20 lines) ever reached this job and failed. Documentation-only.

Verdict

APPROVE — minimal, correctly scoped, uses the documented safe form. The two Suggestions are real but pre-existing/accepted-by-design given read-only perms; recommend follow-up issues, not a merge block.

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