docs: Enhance development setup documentation and update environment variable validation

- Added a new section in CURRENT_STATUS.md detailing prerequisites and quick start instructions for development setup.
- Updated environment variable validation to include defaults for missing variables in env.ts.
- Improved error handling in errorHandler.ts for better validation feedback.
- Made various code adjustments across services to ensure robustness and clarity.

orchestrator/src/config/env.ts

@@ -41,7 +41,22 @@ export const env = envSchema.parse({
  */
 export function validateEnv() {
   try {
-    envSchema.parse(process.env);
+    // Use same defaults as env object
+    const envWithDefaults = {
+      NODE_ENV: process.env.NODE_ENV || "development",
+      PORT: process.env.PORT || "8080",
+      DATABASE_URL: process.env.DATABASE_URL,
+      API_KEYS: process.env.API_KEYS,
+      REDIS_URL: process.env.REDIS_URL,
+      LOG_LEVEL: process.env.LOG_LEVEL || "info",
+      ALLOWED_IPS: process.env.ALLOWED_IPS,
+      SESSION_SECRET: process.env.SESSION_SECRET || "dev-secret-change-in-production-min-32-chars",
+      JWT_SECRET: process.env.JWT_SECRET,
+      AZURE_KEY_VAULT_URL: process.env.AZURE_KEY_VAULT_URL,
+      AWS_SECRETS_MANAGER_REGION: process.env.AWS_SECRETS_MANAGER_REGION,
+      SENTRY_DSN: process.env.SENTRY_DSN,
+    };
+    envSchema.parse(envWithDefaults);
     console.log("✅ Environment variables validated");
   } catch (error) {
     if (error instanceof z.ZodError) {