fix: Fix all examples

heromodels/examples/calendar_rhai/calendar.rhai

@@ -1,8 +1,8 @@
 // Get the database instance
 let db = get_db();
 
-// Create a new calendar
-let calendar = calendar__builder(1);
+// Create a new calendar with auto-generated ID (pass 0 for auto-generated ID)
+let calendar = calendar__builder(0);
 calendar.name = "My First Calendar";
 set_description(calendar, "A calendar for testing Rhai integration");
 
@@ -26,8 +26,8 @@ if calendar_exists(db, 1) {
     print("Failed to retrieve calendar with ID 1");
 }
 
-// Create another calendar
-let calendar2 = calendar__builder(2);
+// Create another calendar with auto-generated ID
+let calendar2 = calendar__builder(0);
 calendar2.name = "My Second Calendar";
 set_description(calendar2, "Another calendar for testing");
 

heromodels/examples/calendar_rhai/example.rs

@@ -18,53 +18,54 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     // Register a function to get the database instance
     engine.register_fn("get_db", move || db.clone());
-    
+
     // Register a calendar builder function
     engine.register_fn("calendar__builder", |id: i64| {
-        Calendar::new(id as u32, "New Calendar")
+        let id_option = if id <= 0 { None } else { Some(id as u32) };
+        Calendar::new(id_option, "New Calendar")
     });
-    
+
     // Register setter methods for Calendar properties
     engine.register_fn("set_description", |calendar: &mut Calendar, desc: String| {
         calendar.description = Some(desc);
     });
-    
+
     // Register getter methods for Calendar properties
     engine.register_fn("get_description", |calendar: Calendar| -> String {
         calendar.description.clone().unwrap_or_default()
     });
-    
+
     // Register getter for base_data.id
     engine.register_fn("get_id", |calendar: Calendar| -> i64 {
         calendar.base_data.id as i64
     });
-    
+
     // Register additional functions needed by the script
     engine.register_fn("set_calendar", |_db: Arc<OurDB>, _calendar: Calendar| {
         // In a real implementation, this would save the calendar to the database
         println!("Calendar saved: {}", _calendar.name);
     });
-    
+
     engine.register_fn("get_calendar_by_id", |_db: Arc<OurDB>, id: i64| -> Calendar {
         // In a real implementation, this would retrieve the calendar from the database
-        Calendar::new(id as u32, "Retrieved Calendar")
+        Calendar::new(Some(id as u32), "Retrieved Calendar")
     });
-    
+
     // Register a function to check if a calendar exists
     engine.register_fn("calendar_exists", |_db: Arc<OurDB>, id: i64| -> bool {
         // In a real implementation, this would check if the calendar exists in the database
         id == 1 || id == 2
     });
-    
+
     // Define the function separately to use with the wrap_vec_return macro
     fn get_all_calendars(_db: Arc<OurDB>) -> Vec<Calendar> {
         // In a real implementation, this would retrieve all calendars from the database
-        vec![Calendar::new(1, "Calendar 1"), Calendar::new(2, "Calendar 2")]
+        vec![Calendar::new(Some(1), "Calendar 1"), Calendar::new(Some(2), "Calendar 2")]
     }
-    
+
     // Register the function with the wrap_vec_return macro
     engine.register_fn("get_all_calendars", wrap_vec_return!(get_all_calendars, Arc<OurDB> => Calendar));
-    
+
     engine.register_fn("delete_calendar_by_id", |_db: Arc<OurDB>, _id: i64| {
         // In a real implementation, this would delete the calendar from the database
         println!("Calendar deleted with ID: {}", _id);
@@ -73,7 +74,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     // Load and evaluate the Rhai script
     let script_path = Path::new("examples/calendar_rhai/calendar.rhai");
     let script = fs::read_to_string(script_path)?;
-    
+
     match engine.eval::<()>(&script) {
         Ok(_) => println!("Script executed successfully!"),
         Err(e) => eprintln!("Script execution failed: {}", e),