fix invalid openAPI spec (#448)

Co-authored-by: Copilot <[email protected]>
Co-authored-by: horeaporutiu <[email protected]>

Author: horeaporutiu

packages/generator/spec.json

@@ -20229,6 +20229,125 @@
             "$ref": "#/components/schemas/PageType"
           }
         }
+      },
+      "ErrorResponse": {
+        "type": "object",
+        "description": "Error response structure",
+        "properties": {
+          "status": {
+            "type": "integer",
+            "description": "HTTP status code"
+          },
+          "code": {
+            "type": "string",
+            "description": "Error code"
+          },
+          "message": {
+            "type": "string",
+            "description": "Error message"
+          },
+          "context": {
+            "type": "object",
+            "properties": {
+              "error": {
+                "type": "string",
+                "description": "Additional error context"
+              }
+            }
+          }
+        }
+      }
+    },
+    "responses": {
+      "400": {
+        "description": "Bad Request",
+        "content": {
+          "application/json": {
+            "schema": {
+              "$ref": "#/components/schemas/ErrorResponse"
+            },
+            "example": {
+              "status": 400,
+              "code": "badRequest",
+              "message": "Bad request"
+            }
+          }
+        }
+      },
+      "401": {
+        "description": "Unauthorized",
+        "content": {
+          "application/json": {
+            "schema": {
+              "$ref": "#/components/schemas/ErrorResponse"
+            },
+            "example": {
+              "status": 401,
+              "code": "unauthorized",
+              "message": "Unauthorized"
+            }
+          }
+        }
+      },
+      "403": {
+        "description": "Forbidden",
+        "content": {
+          "application/json": {
+            "schema": {
+              "$ref": "#/components/schemas/ErrorResponse"
+            },
+            "example": {
+              "status": 403,
+              "code": "forbidden",
+              "message": "Forbidden"
+            }
+          }
+        }
+      },
+      "404": {
+        "description": "Not Found",
+        "content": {
+          "application/json": {
+            "schema": {
+              "$ref": "#/components/schemas/ErrorResponse"
+            },
+            "example": {
+              "status": 404,
+              "code": "notFound",
+              "message": "Not found"
+            }
+          }
+        }
+      },
+      "409": {
+        "description": "Conflict",
+        "content": {
+          "application/json": {
+            "schema": {
+              "$ref": "#/components/schemas/ErrorResponse"
+            },
+            "example": {
+              "status": 409,
+              "code": "conflict",
+              "message": "Conflict"
+            }
+          }
+        }
+      },
+      "429": {
+        "description": "Too Many Requests",
+        "content": {
+          "application/json": {
+            "schema": {
+              "$ref": "#/components/schemas/ErrorResponse"
+            },
+            "example": {
+              "status": 429,
+              "code": "tooManyRequests",
+              "message": "Too many requests"
+            }
+          }
+        }
       }
     },
     "parameters": {