fix(ci): only add docs/ to commit, fix diff for review

Author: bohutang

.github/scripts/auto-fix.sh

@@ -43,7 +43,7 @@ ${BODY}" \
   $GEN_MODEL_ARG \
   --max-turns 30 --max-duration 600 || true
 
-if git diff --quiet; then
+if git diff --quiet && git diff --cached --quiet && [ -z "$(git ls-files --others --exclude-standard docs/)" ]; then
   echo "No changes"
   cleanup_on_failure
   exit 0
@@ -52,7 +52,9 @@ fi
 # Step 2: Review loop (max 2 rounds)
 APPROVED=false
 for round in 1 2; do
-  DIFF=$(git diff)
+  # Stage docs changes for diff
+  git add docs/
+  DIFF=$(git diff --cached)
   [ -z "$DIFF" ] && { APPROVED=true; break; }
 
   REVIEW=$(evot -p "Review this diff for issue #${NUM}: ${TITLE}
@@ -81,15 +83,17 @@ ${COMMENTS}" \
 done
 
 # Step 3: PR
-git add -A
+git add docs/
 git commit -m "docs: auto-fix #${NUM}" || { cleanup_on_failure; exit 0; }
 git push origin "$BRANCH" --force
 
+GEN_LABEL="${GENERATOR_MODEL:-default}"
+REV_LABEL="${REVIEWER_MODEL:-default}"
 STATUS=$( [ "$APPROVED" = true ] && echo "✅ Approved" || echo "⚠️ Needs human review" )
 gh pr create --repo "$REPO" --base "$MAIN" --head "$BRANCH" \
   --title "docs: auto-fix #${NUM}" \
   --body "Fixes #${NUM}. ${STATUS}
-Generated by \`${GENERATOR_MODEL}\`, reviewed by \`${REVIEWER_MODEL}\`." \
+Generated by \`${GEN_LABEL}\`, reviewed by \`${REV_LABEL}\`." \
   --label auto-fix || true
 
 # Mark done