ci: auto-commit benchmark report to docs and scope write permissions

Add step to commit benchmark HTML report to docs/benchmarks/ on push.
Scope contents:write permission to the benchmark job only.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: maxinelevesque

.chainlink/issues.db

@@ -83,6 +83,8 @@ jobs:
     name: Benchmarks
     runs-on: ubuntu-latest
     needs: [lint]
+    permissions:
+      contents: write
     steps:
       - uses: actions/checkout@v5
 
@@ -110,6 +112,20 @@ jobs:
       - name: Run benchmarks
         run: just bench
 
+      - name: Copy report to docs
+        run: |
+          mkdir -p docs/benchmarks
+          cp .bench/report.html docs/benchmarks/index.html
+
+      - name: Commit updated benchmark docs
+        if: github.event_name == 'push'
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add docs/benchmarks/index.html
+          git diff --cached --quiet || git commit -m "docs: update benchmark report [skip ci]"
+          git push
+
       - name: Upload benchmark report
         uses: actions/upload-artifact@v4
         if: always()

.github/workflows/uv-test.yml

@@ -25,6 +25,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - **Comprehensive integration test suite**: 593 tests covering E2E flows, error handling, edge cases
 
 ### Changed
+- Scope contents:write permission to benchmark job only (#510)
+- Add benchmark docs auto-commit to CI workflow (#509)
+- Submit PR for v0.3.0b1 release to upstream/main (#508)
 - Implement GH#39: Production hardening (observability, error handling, testing infra) (#504)
 - Add pluggable structured logging via atdata.configure_logging (#507)
 - Add PartialFailureError and shard-level error handling to Dataset.map (#506)