fix(build): keep effect out of the public-config bootstrap (#26371)

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

Author: juliusmarminge

scripts/lib/public-config.ts

@@ -1,5 +1,4 @@
 // @effect-diagnostics nodeBuiltinImport:off - Build bootstrap reads optional root env files before an Effect runtime exists.
-import { pipe } from "effect/Function";
 import * as NodeFS from "node:fs";
 import * as NodePath from "node:path";
 import * as NodeURL from "node:url";
@@ -20,12 +19,7 @@ export interface T3CodePublicConfig {
 
 type Environment = Readonly<Record<string, string | undefined>>;
 
-const REPO_ROOT = pipe(
-  NodeURL.fileURLToPath(import.meta.url),
-  NodePath.dirname,
-  NodePath.dirname,
-  NodePath.dirname,
-);
+const REPO_ROOT = NodePath.resolve(NodeURL.fileURLToPath(import.meta.url), "../../..");
 
 export function loadRepoEnv({
   baseEnv = process.env,