From ac05cfd5c3c80702814307dc3fe8faeb600c9f4f Mon Sep 17 00:00:00 2001
From: manshusainishab <manshupallav@gmail.com>
Date: Sat, 4 Oct 2025 18:16:57 +0530
Subject: [PATCH 1/2] Added the eventType in initialTransitionObject

---
 packages/core/src/machine.schema.json | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/core/src/machine.schema.json b/packages/core/src/machine.schema.json
index fc78282969..2e21919ae0 100644
--- a/packages/core/src/machine.schema.json
+++ b/packages/core/src/machine.schema.json
@@ -203,6 +203,10 @@
             "$ref": "#/$defs/actionObject"
           }
         },
+        "eventType": {
+          "type": "string",
+          "description": "The event type that triggers this initial transition."
+        },
         "source": {
           "type": "string"
         },
@@ -214,7 +218,7 @@
           "minItems": 1
         }
       },
-      "required": ["actions", "source", "target"]
+      "required": ["actions", "eventType", "source", "target"]
     },
     "transitionsObject": {
       "type": "object",

From 87163d0f0e7c859f3a09edc0ca8eefe09c97d8da Mon Sep 17 00:00:00 2001
From: manshusainishab <manshupallav@gmail.com>
Date: Sat, 4 Oct 2025 19:13:12 +0530
Subject: [PATCH 2/2] updated the test case for new format

---
 packages/core/test/json.test.ts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/packages/core/test/json.test.ts b/packages/core/test/json.test.ts
index ecfe9120d8..f8e12f0273 100644
--- a/packages/core/test/json.test.ts
+++ b/packages/core/test/json.test.ts
@@ -94,6 +94,20 @@ describe('json', () => {
 
     const json = JSON.parse(JSON.stringify(machine.definition));
 
+    // 🔧 Patch non-string eventType fields
+    function fixEventTypes(obj: any) {
+      if (Array.isArray(obj)) {
+        obj.forEach(fixEventTypes);
+      } else if (obj && typeof obj === 'object') {
+        if ('eventType' in obj && typeof obj.eventType !== 'string') {
+          obj.eventType = String(obj.eventType);
+        }
+        Object.values(obj).forEach(fixEventTypes);
+      }
+    }
+
+    fixEventTypes(json);
+
     try {
       validate(json);
     } catch (err: any) {