Antigravity busted again

Cloud Code Assist API error (400): {
"error": {
"code": 400,
"message": "{"type":"error","error":{"type":"invalid_request_error","message":"tools.11.custom.input_schema: JSON schema is invalid. It must match JSON Schema draft 2020-12 (https://json-schema.org/draft/2020-12). Learn more about tool use at https://docs.claude.com/en/docs/tool-use.\"},\"request_id\":\"req_vrtx_011CX4DrbHtuACUKZBv7ryMC\"}",
"status": "INVALID_ARGUMENT"
}
}

Cloud Code Assist API error (400): {
"error": {
"code": 400,
"message": "{"type":"error","error":{"type":"invalid_request_error","message":"tools.11.custom.input_schema: JSON schema is invalid. It must match JSON Schema draft 2020-12 (https://json-schema.org/draft/2020-12). Learn more about tool use at https://docs.claude.com/en/docs/tool-use.\"},\"request_id\":\"req_vrtx_011CX4DrbHtuACUKZBv7ryMC\"}",
"status": "INVALID_ARGUMENT"
}
}