enable dev|prod envs with simpler env vars system

proxy/scripts/seed.ts

@@ -1,6 +1,4 @@
-import { SERVER_IP, PB_PORT, PB_EMAIL, PB_PASSWORD } from "../../config.ts";
-
-const PB_ENDPOINT = `http://${SERVER_IP}:${PB_PORT}`;
+import { PB_ENDPOINT, PB_EMAIL, PB_PASSWORD } from "../src/env.ts";
 
 interface FieldDef {
   name: string;
@@ -121,8 +119,8 @@ async function main() {
   ids.fams = await createCollection(token, {
     name: "fams",
     type: "base",
-    listRule: "",
-    viewRule: "",
+    listRule: null,
+    viewRule: null,
     createRule: null,
     updateRule: null,
     deleteRule: null,