chore(monorepo): Add publish configs and shebang to CLI

- Add shebang to CLI entry point for direct execution
- Add publishConfig with public access to all packages
- Add files array to control what gets published
- Standardize node engine to >=18 across all packages
- Set sideEffects: false for tree-shaking optimization
- Fix lint issues in CLI index file

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: flyingrobots

starfleet/data-cli/package.json

@@ -29,8 +29,14 @@
     "zod": "^4.1.5"
   },
   "engines": {
-    "node": ">=20.0.0",
-    "bun": ">=1.0.0"
+    "node": ">=18"
+  },
+  "files": [
+    "src"
+  ],
+  "sideEffects": false,
+  "publishConfig": {
+    "access": "public"
   },
   "keywords": [
     "supabase",