Fix API endpoint configuration with environment-aware URLs

- Add environment-based API URL configuration (dev: localhost:8000, prod: api.pennyzo.com)
- Update PennyzoApiService to use centralized config with timeout settings
- Fix API status checker scripts to load .env variables using dotenv
- Add environment management scripts (set-env.ps1) with npm shortcuts
- Create comprehensive configuration testing and validation tools
- Add TypeScript definitions for Vite environment variables
- Update all documentation with new environment configuration instructions
- Install dotenv package for Node.js environment variable loading
- All APIs now correctly use environment-appropriate URLs automatically

package.json

@@ -5,6 +5,7 @@
   "dependencies": {
     "axios": "^1.12.2",
     "chalk": "^4.1.2",
+    "dotenv": "^17.2.2",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "typescript": "^4.9.0"
@@ -28,6 +29,10 @@
     "api:check": "node scripts/api-status-checker.js",
     "api:check:extended": "node scripts/api-status-checker-extended.js",
     "api:check:verbose": "node scripts/api-status-checker-extended.js --verbose",
-    "api:check:real": "node scripts/api-status-checker-extended.js --use-real-credentials"
+    "api:check:real": "node scripts/api-status-checker-extended.js --use-real-credentials",
+    "api:test-config": "node scripts/test-config.js",
+    "env:dev": "powershell -ExecutionPolicy Bypass -File scripts/set-env.ps1 dev",
+    "env:prod": "powershell -ExecutionPolicy Bypass -File scripts/set-env.ps1 prod",
+    "env:show": "powershell -ExecutionPolicy Bypass -File scripts/set-env.ps1 -Show"
   }
 }