many many fixes

.githooks/pre-commit

@@ -0,0 +1,28 @@
+#!/bin/sh
+# 1. Regenerates game data (npm run data) and stages the generated files.
+# 2. Bumps the app version (src/version.json) and stages it.
+# Installed via `npm install` (scripts/install-hooks.mjs sets core.hooksPath).
+# Skip with: git commit --no-verify
+#   or skip one step: SKIP_DATA_BUILD=1 / SKIP_VERSION_BUMP=1 git commit ...
+
+# Nothing staged: let git report "nothing to commit" without doing any work
+if git diff --cached --quiet; then
+  exit 0
+fi
+
+if [ -z "$SKIP_DATA_BUILD" ]; then
+  echo "pre-commit: regenerating game data (npm run data)..."
+  LOG_FILE="$(git rev-parse --git-dir)/data-build.log"
+  if ! npm run data > "$LOG_FILE" 2>&1; then
+    echo "pre-commit: npm run data failed, commit aborted. Last lines of $LOG_FILE:"
+    tail -n 20 "$LOG_FILE"
+    exit 1
+  fi
+  # Stage generated outputs (no-op for files that didn't change)
+  git add src/data/lexicon.js src/data/puzzles.js scripts/combo-words.txt || exit 1
+fi
+
+if [ -z "$SKIP_VERSION_BUMP" ]; then
+  node scripts/bump-version.mjs || exit 1
+  git add src/version.json || exit 1
+fi