chore(ci): temporarily enable show_full_output on claude-review

Debugging the instant SDK auth failure on this repo's review runs
(is_error, 1 turn, $0). REVERT once the root cause is captured.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01JagA3ayqpJH4gC69qbLtgF

.github/workflows/claude-code-review.yml

@@ -28,6 +28,9 @@ jobs:
           # by the plan (no metered API charge). Set the CLAUDE_CODE_OAUTH_TOKEN
           # secret on this repo (Settings > Secrets and variables > Actions).
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
+          # TEMPORARY (debug-review-auth): surface the SDK error that is failing
+          # instantly on this repo; remove before merging anything real.
+          show_full_output: true
           prompt: |
             REPO: ${{ github.repository }}
             PR NUMBER: ${{ github.event.pull_request.number }}