chore: regenerate JSON schema for runtime_fallback union type

assets/oh-my-opencode.schema.json

@@ -3447,6 +3447,11 @@
       "additionalProperties": false
     },
     "runtime_fallback": {
+      "anyOf": [
+        {
+          "type": "boolean"
+        },
+        {
           "type": "object",
           "properties": {
             "enabled": {
@@ -3476,6 +3481,8 @@
             }
           },
           "additionalProperties": false
+        }
+      ]
     },
     "background_task": {
       "type": "object",