refactor: move brother_node development artifact to dev/test-nodes subdirectory

Development Artifact Cleanup:
✅ BROTHER_NODE REORGANIZATION: Moved development test node to appropriate location
- dev/test-nodes/brother_node/: Moved from root directory for better organization
- Contains development configuration, test logs, and test chain data
- No impact on production systems - purely development/testing artifact

✅ DEVELOPMENT ARTIFACTS IDENTIFIED:
- Chain ID: aitbc-brother-chain (test/development chain)
- Ports: 8010 (P2P) and 8011 (RPC) - different from production
- Environment: .env file with test configuration
- Logs: rpc.log and node.log from development testing session (March 15, 2026)

✅ ROOT DIRECTORY CLEANUP: Removed development clutter from production directory
- brother_node/ moved to dev/test-nodes/brother_node/
- Root directory now contains only production-ready components
- Development artifacts properly organized in dev/ subdirectory

DIRECTORY STRUCTURE IMPROVEMENT:
📁 dev/test-nodes/: Development and testing node configurations
🏗️ Root Directory: Clean production structure with only essential components
🧪 Development Isolation: Test environments separated from production

BENEFITS:
✅ Clean Production Directory: No development artifacts in root
✅ Better Organization: Development nodes grouped in dev/ subdirectory
✅ Clear Separation: Production vs development environments clearly distinguished
✅ Maintainability: Easier to identify and manage development components

RESULT: Successfully moved brother_node development artifact to dev/test-nodes/ subdirectory, cleaning up the root directory while preserving development testing environment for future use.

dev/env/node_modules/zod/v3/helpers/enumUtil.d.cts

@@ -0,0 +1,8 @@
+export declare namespace enumUtil {
+    type UnionToIntersectionFn<T> = (T extends unknown ? (k: () => T) => void : never) extends (k: infer Intersection) => void ? Intersection : never;
+    type GetUnionLast<T> = UnionToIntersectionFn<T> extends () => infer Last ? Last : never;
+    type UnionToTuple<T, Tuple extends unknown[] = []> = [T] extends [never] ? Tuple : UnionToTuple<Exclude<T, GetUnionLast<T>>, [GetUnionLast<T>, ...Tuple]>;
+    type CastToStringTuple<T> = T extends [string, ...string[]] ? T : never;
+    export type UnionToTupleString<T> = CastToStringTuple<UnionToTuple<T>>;
+    export {};
+}