style: ruff auto-fixes

scripts/run-ruff-and-fix.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Script for local/agent use before creating a PR.
+# Installs ruff, checks, tries --fix, commits fixes, and fails if issues remain.
+
+echo "Installing ruff..."
+python -m pip install --upgrade pip --quiet
+pip install ruff --quiet
+
+echo "Running ruff check..."
+if ruff check app/ tests/; then
+  echo "✅ ruff: no issues found"
+  exit 0
+else
+  echo "⚠️  ruff: issues found — running ruff --fix"
+  ruff check app/ tests/ --fix
+  
+  # Check if there are any changes to commit
+  git add -A
+  if git diff --staged --quiet; then
+    echo "ℹ️  No staged changes after ruff --fix"
+  else
+    git commit -m "style: ruff auto-fixes" || true
+    echo "✅ Committed ruff fixes"
+  fi
+  
+  echo "Re-running ruff check after fixes..."
+  if ruff check app/ tests/; then
+    echo "✅ ruff: all issues fixed"
+    exit 0
+  else
+    echo "❌ ruff: issues remain after auto-fix" >&2
+    echo ""
+    echo "The following issues could not be auto-fixed and require manual intervention:"
+    echo ""
+    ruff check app/ tests/
+    exit 1
+  fi
+fi