test(logger): set Development=true to test if it affects debug logging

Changed Development from false to true to test if this is preventing
debug logs from being output. Development mode may affect how the
logger handles different log levels.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

backend/mpc-system/pkg/logger/logger.go

@@ -43,7 +43,7 @@ func Init(cfg *Config) error {
 
 	zapConfig := zap.Config{
 		Level:             atomicLevel,
-		Development:       false,
+		Development:       true,  // Changed to true to test if this affects debug logging
 		DisableCaller:     false,
 		DisableStacktrace: false,
 		Sampling:          nil,