Restore codebase deleted by bad auto-commit e4227cf

Commit e4227cf (a story creation auto-commit) erroneously deleted 175
files from master's tree, likely due to a race condition between
concurrent git operations. This commit re-adds all files from the
working directory.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

script/test

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+
+echo "=== Running Rust tests ==="
+cargo test --manifest-path "$PROJECT_ROOT/Cargo.toml"
+
+echo "=== Running frontend unit tests ==="
+if [ -d "$PROJECT_ROOT/frontend" ]; then
+  cd "$PROJECT_ROOT/frontend"
+  npm test
+else
+  echo "Skipping frontend tests (no frontend directory)"
+fi
+
+# Disabled: e2e tests may be causing merge pipeline hangs (no running server
+# in merge workspace → Playwright blocks indefinitely). Re-enable once confirmed.
+# Disabled: e2e tests cause merge pipeline hangs (no running server
+# in merge workspace → Playwright blocks indefinitely).
+# echo "=== Running e2e tests ==="
+# npm run test:e2e