fix(eval): resolve tsx runtime from ancestor node_modules in worktrees

scripts/run-eval-safe.mjs

@@ -206,11 +206,56 @@ function terminateEvalProcess(pid) {
  terminateEvalProcessTree(pid);
 }
 
+function resolveFromAncestorNodeModules(startDir) {
+ let dir = startDir;
+ for (;;) {
+ const candidate = resolve(dir, "node_modules", "tsx", "dist", "cli.mjs");
+ if (existsSync(candidate)) return candidate;
+ const parent = dirname(dir);
+ if (parent === dir) return null;
+ dir = parent;
+ }
+}
+
+function listGitWorktreeRoots() {
+ const result = spawnSync("git", ["worktree", "list", "--porcelain"], {
+ cwd: projectRoot,
+ encoding: "utf8",
+ windowsHide: true,
+ });
+ if (result.status !== 0) return [];
+
+ return (result.stdout || "")
+ .split(/\r?\n/)
+ .filter((line) => line.startsWith("worktree "))
+ .map((line) => line.slice("worktree ".length).trim())
+ .filter(Boolean);
+}
+
+function resolveTsxCli() {
+ // Fresh git worktrees often have no node_modules of their own. First walk up
+ // ancestor directories like Node's own module resolution; then inspect Git's
+ // known worktrees so sibling/external worktrees can reuse the main checkout's
+ // install. A plain existsSync probe is used because tsx's package "exports"
+ // map does not expose dist/cli.mjs.
+ const ancestorMatch = resolveFromAncestorNodeModules(projectRoot);
+ if (ancestorMatch) return ancestorMatch;
+
+ for (const root of listGitWorktreeRoots()) {
+ const worktreeMatch = resolveFromAncestorNodeModules(root);
+ if (worktreeMatch) return worktreeMatch;
+ }
+
+ return null;
+}
+
 function runEvalScript() {
- const tsxBin = resolve(projectRoot, "node_modules", "tsx", "dist", "cli.mjs");
+ const tsxBin = resolveTsxCli();
 
- if (!existsSync(tsxBin)) {
- console.error(`Could not find tsx runtime at ${tsxBin}`);
+ if (!tsxBin) {
+ console.error(
+ "Could not resolve the tsx runtime. Run `npm install` first (or invoke the script with `npx tsx` directly).",
+ );
  process.exit(1);
  }