fixing jsonSchema validation by using zod

.env.example

@@ -0,0 +1,42 @@
+# ==============================================
+# MCP Server Configuration
+# ==============================================
+
+# Logging configuration
+LOG_LEVEL=info  # Options: silent, error, warn, info, debug, trace
+NODE_ENV=production
+
+# ==============================================
+# Valkey (Redis-compatible) Configuration
+# ==============================================
+
+VALKEY_HOST=localhost
+VALKEY_PORT=6379
+VALKEY_PASSWORD=
+VALKEY_DB=0
+
+# ==============================================
+# Session Management
+# ==============================================
+
+# Session timeout in seconds (default: 3600 = 1 hour)
+MCP_SESSION_TIMEOUT=3600
+
+# ==============================================
+# Mock Data Configuration
+# ==============================================
+
+# Data generation seed
+# Options: random (default), fixed (deterministic), demo (curated demo data)
+MOCK_DATA_SEED=random
+
+# Response delay simulation (milliseconds)
+# Set to 0 to disable artificial delays
+MOCK_RESPONSE_DELAY=0
+
+# ==============================================
+# Docker-specific Configuration
+# ==============================================
+
+# When running in Docker, use service name as host
+# VALKEY_HOST=valkey