claudeWorkerTestContext.mjs

import * as fs from "node:fs";
import * as path from "node:path";

export function resolveClaudeWorkerNodeModules(context, candidate, fallback) {
  if (!candidate) return path.resolve(fallback);
  if (!path.isAbsolute(candidate)) {
    throw new Error("KAIZEN_CLAUDE_WORKER_NODE_MODULES must be an absolute path");
  }
  const resolved = path.resolve(candidate);
  if (!fs.existsSync(resolved) || !fs.statSync(resolved).isDirectory()) {
    throw new Error(`KAIZEN_CLAUDE_WORKER_NODE_MODULES is not an existing directory: ${resolved}`);
  }
  const physical = fs.realpathSync(resolved);
  const relative = path.relative(fs.realpathSync(context.root), physical);
  if (relative === "" || relative === ".." || relative.startsWith(`..${path.sep}`) || path.isAbsolute(relative)) {
    throw new Error("KAIZEN_CLAUDE_WORKER_NODE_MODULES must be beneath KAIZEN_TEST_TEMP_ROOT");
  }
  return physical;
}