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/tsx/dist/cjs/api/index.cjs

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+"use strict";require("../../get-pipe-path-BoR10qr8.cjs");var r=require("../../register-D46fvsV_.cjs"),e=require("../../require-D4F1Lv60.cjs");require("module"),require("node:path"),require("../../temporary-directory-B83uKxJF.cjs"),require("node:os"),require("node:module"),require("node:url"),require("get-tsconfig"),require("node:fs"),require("../../index-gckBtVBf.cjs"),require("esbuild"),require("node:crypto"),require("../../client-D6NvIMSC.cjs"),require("node:net"),require("node:util"),require("../../index-BWFBUo6r.cjs"),exports.register=r.register,exports.require=e.tsxRequire;

dev/env/node_modules/tsx/dist/cjs/api/index.d.cts

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+import { R as RequiredProperty } from '../../types-Cxp8y2TL.js';
+
+type RegisterOptions = {
+    namespace?: string;
+};
+type Unregister = () => void;
+type ScopedRequire = (id: string, fromFile: string | URL) => any;
+type ScopedResolve = (id: string, fromFile: string | URL, resolveOptions?: {
+    paths?: string[] | undefined;
+}) => string;
+type NamespacedUnregister = Unregister & {
+    require: ScopedRequire;
+    resolve: ScopedResolve;
+    unregister: Unregister;
+};
+type Register = {
+    (options: RequiredProperty<RegisterOptions, 'namespace'>): NamespacedUnregister;
+    (options?: RegisterOptions): Unregister;
+};
+declare const register: Register;
+
+declare const tsxRequire: {
+    (id: string, fromFile: string | URL): any;
+    resolve: {
+        (id: string, fromFile: string | URL, options?: {
+            paths?: string[] | undefined;
+        }): string;
+        paths: (request: string) => string[] | null;
+    };
+    main: NodeJS.Module | undefined;
+    extensions: NodeJS.RequireExtensions;
+    cache: NodeJS.Dict<NodeJS.Module>;
+};
+
+export { register, tsxRequire as require };

dev/env/node_modules/tsx/dist/cjs/api/index.d.mts

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+import { R as RequiredProperty } from '../../types-Cxp8y2TL.js';
+
+type RegisterOptions = {
+    namespace?: string;
+};
+type Unregister = () => void;
+type ScopedRequire = (id: string, fromFile: string | URL) => any;
+type ScopedResolve = (id: string, fromFile: string | URL, resolveOptions?: {
+    paths?: string[] | undefined;
+}) => string;
+type NamespacedUnregister = Unregister & {
+    require: ScopedRequire;
+    resolve: ScopedResolve;
+    unregister: Unregister;
+};
+type Register = {
+    (options: RequiredProperty<RegisterOptions, 'namespace'>): NamespacedUnregister;
+    (options?: RegisterOptions): Unregister;
+};
+declare const register: Register;
+
+declare const tsxRequire: {
+    (id: string, fromFile: string | URL): any;
+    resolve: {
+        (id: string, fromFile: string | URL, options?: {
+            paths?: string[] | undefined;
+        }): string;
+        paths: (request: string) => string[] | null;
+    };
+    main: NodeJS.Module | undefined;
+    extensions: NodeJS.RequireExtensions;
+    cache: NodeJS.Dict<NodeJS.Module>;
+};
+
+export { register, tsxRequire as require };

dev/env/node_modules/tsx/dist/cjs/api/index.mjs

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+import"../../get-pipe-path-BHW2eJdv.mjs";import{r as j}from"../../register-CFH5oNdT.mjs";import{t as l}from"../../require-DQxpCAr4.mjs";import"module";import"node:path";import"../../temporary-directory-CwHp0_NW.mjs";import"node:os";import"node:module";import"node:url";import"get-tsconfig";import"node:fs";import"../../index-7AaEi15b.mjs";import"esbuild";import"node:crypto";import"../../client-BQVF1NaW.mjs";import"node:net";import"node:util";import"../../index-gbaejti9.mjs";export{j as register,l as require};