fix merge issues and rhai examples wip

heromodels/src/db.rs

@@ -97,8 +97,13 @@ impl<E: std::fmt::Debug + std::fmt::Display> std::fmt::Display for Error<E> {
             Error::DB(e) => write!(f, "Database error: {}", e),
             Error::Decode(e) => write!(f, "Failed to decode model: {}", e),
             Error::Encode(e) => write!(f, "Failed to encode model: {}", e),
+            Error::InvalidId(s) => write!(f, "Invalid ID: {}", s),
+            Error::IdMismatch(s) => write!(f, "ID Mismatch: {}", s),
+            Error::IdCollision(s) => write!(f, "ID Collision: {}", s),
+            Error::TypeError => write!(f, "Type error"),
         }
     }
+}
 /// A transaction that can be committed or rolled back
 pub trait Transaction {
     /// Error type for transaction operations