fix: use UPSTREAM_GITHUB_TOKEN for model sync branch push#9
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Default GITHUB_TOKEN on this fork lacks contents:write at runtime (repo/org policy), so peter-evans/create-pull-request fails creating the branch ref on the fork via REST API. Reuse UPSTREAM_GITHUB_TOKEN which already has write access.
jerilynzheng
approved these changes
May 19, 2026
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Summary
create-prstep withResource not accessible by integrationwhen creating the branch ref on this fork.peter-evans/create-pull-request@v8withsign-commits: trueuses the REST API (POST /git/refs) instead ofgit push. That call is made against the fork (push-to-fork) usingbranch-token, which was the defaultGITHUB_TOKEN. Despite the workflow declaringcontents: write, the token came back read-only — likely due to the repo/org default workflow permissions on a fork.UPSTREAM_GITHUB_TOKEN(already used for opening the PR upstream) forbranch-tokenso the ref-create succeeds.