fix(cli): keep bin pointing to src/cli.ts, add src to files

The actual issue was that 'files' only included dist/, so src/ was
excluded from the published package. bun can run .ts natively — no
need to point bin at compiled dist/cli.js.

Fix: add 'src' to files array so it ships with the package.

packages/cli-workflow/package.json

@@ -2,12 +2,13 @@
   "name": "@uncaged/cli-workflow",
   "version": "0.3.18",
   "files": [
+    "src",
     "dist",
     "package.json"
   ],
   "type": "module",
   "bin": {
-    "uncaged-workflow": "dist/cli.js"
+    "uncaged-workflow": "src/cli.ts"
   },
   "dependencies": {
     "@uncaged/workflow-gateway": "workspace:*",