Changes to Update Chat

for the path request parameter chatId, the minLength was increased from 0 to 1

removed the required property apiUrl from the response with the 200 status

removed the required property error from the response with the 401 status

removed the required property error from the response with the 403 status

removed the required property error from the response with the 404 status

removed the required property error from the response with the 422 status

removed the required property error from the response with the 500 status

removed the required property favorite from the response with the 200 status

removed the required property messages from the response with the 200 status

removed the required property object from the response with the 200 status

removed the required property permissions from the response with the 200 status

removed the required property shareable from the response with the 200 status

removed the required property text from the response with the 200 status

removed the required property url from the response with the 200 status

removed the required property webUrl from the response with the 200 status

removed the request property name

removed the optional property demo from the response with the 200 status

removed the optional property files from the response with the 200 status

removed the optional property latestVersion from the response with the 200 status

removed the optional property modelConfiguration from the response with the 200 status

removed the optional property name from the response with the 200 status

removed the optional property projectId from the response with the 200 status

the endpoint scheme security apiKey was removed from the API

api tag Chats added

api tag chats removed

added the new optional request property title

added the media type application/x-www-form-urlencoded to the request body

added the media type multipart/form-data to the request body

the metadata/anyOf[subschema #1]/propertyNames request property's maxLength was increased from 40 to 50

removed the non-success response with the status 409

removed the non-success response with the status 413

removed the non-success response with the status 429

the updatedAt response's property pattern ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ was added for the status 200

response property title reactivated

added the required property message to the response with the 401 status

added the required property message to the response with the 403 status

added the required property message to the response with the 404 status

added the required property message to the response with the 422 status

added the required property message to the response with the 500 status

added the required property writePermission to the response with the 200 status

added the new v0-opus-4.7-fast enum value to the modelConfiguration/modelId response property for the response status 200

added the new v0-opus-4.7 enum value to the modelConfiguration/modelId response property for the response status 200

added the optional property vercelProjectId to the response with the 200 status

response property modelConfiguration/modelId reactivated

added the new design-mode enum value to the messages/items/type response property for the response status 200

added the new v0-auto enum value to the modelConfiguration/modelId response property for the response status 200

added the new optional request property metadata

added the required property metadata to the response with the 200 status

added the new cloned-repo enum value to the messages/items/type response property for the response status 200

added the new manual-commit enum value to the messages/items/type response property for the response status 200

added the new v0-max-fast enum value to the modelConfiguration/modelId response property for the response status 200

removed the unknown enum value from the messages/items/finishReason response property for the response status 200

removed the required property messages/items/experimental_content/items/anyOf[subschema #2]/prefixItems[subschema #2]/~standard from the response with the 200 status

added the new answered-questions enum value to the messages/items/type response property for the response status 200

added the new fix-cve enum value to the messages/items/type response property for the response status 200

added the new pull-changes enum value to the messages/items/type response property for the response status 200

added the new v0-max enum value to the modelConfiguration/modelId response property for the response status 200

added the new v0-mini enum value to the modelConfiguration/modelId response property for the response status 200

added the new v0-pro enum value to the modelConfiguration/modelId response property for the response status 200

the modelId response's property default value changed from v0-1.5-md to v0-pro for the status 200

removed the v0-1.5-lg enum value from the modelConfiguration/modelId response property for the response status 200

removed the v0-1.5-md enum value from the modelConfiguration/modelId response property for the response status 200

removed the v0-1.5-sm enum value from the modelConfiguration/modelId response property for the response status 200

removed the v0-gpt-5 enum value from the modelConfiguration/modelId response property for the response status 200

removed the v0-opus-4.5 enum value from the modelConfiguration/modelId response property for the response status 200

added the required property messages/items/experimental_content/items/anyOf[subschema #2]/prefixItems[subschema #2]/apply to the response with the 200 status

added the required property messages/items/experimental_content/items/anyOf[subschema #2]/prefixItems[subschema #2]/exactOptional to the response with the 200 status

added the required property messages/items/experimental_content/items/anyOf[subschema #2]/prefixItems[subschema #2]/toJSONSchema to the response with the 200 status

added the required property messages/items/experimental_content/items/anyOf[subschema #2]/prefixItems[subschema #2]/with to the response with the 200 status

added the new v0-opus-4.5 enum value to the modelConfiguration/modelId response property for the response status 200

added the optional property messages/items/attachments to the response with the 200 status

added subschema #1 subschema #2 to the messages/items/experimental_content/items response property anyOf list for the response status 200

removed subschema #1 subschema #2 from the messages/items/experimental_content/items response property anyOf list for the response status 200

the createdAt response's property pattern ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ was added for the status 200

the latestVersion/createdAt response's property pattern ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ was added for the status 200

the latestVersion/updatedAt response's property pattern ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ was added for the status 200

the messages/items/updatedAt response's property pattern ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ was added for the status 200

added 'propertyNames' constraint to the files/items/meta response property for the status 200

added the required property messages/items/authorId to the response with the 200 status

added the optional property latestVersion/screenshotUrl to the response with the 200 status

the modelId response's property default value v0-1.5-md was added for the status 200

the response property modelConfiguration/modelId became optional for the status 200

added the optional property messages/items/parentId to the response with the 200 status

response property modelConfiguration/modelId deprecated

added the required property permissions to the response with the 200 status

removed 'propertyNames' constraint from the files/items/meta response property for the status 200

removed the required property messages/items/authorId from the response with the 200 status

removed the required property metadata from the response with the 200 status

removed the required property permissions from the response with the 200 status

removed the request property metadata

removed the optional property latestVersion/screenshotUrl from the response with the 200 status

removed the optional property messages/items/attachments from the response with the 200 status

removed the optional property messages/items/parentId from the response with the 200 status

removed the optional property vercelProjectId from the response with the 200 status

added the new unknown enum value to the messages/items/finishReason response property for the response status 200

added the new v0-1.5-lg enum value to the modelConfiguration/modelId response property for the response status 200

added the new v0-1.5-md enum value to the modelConfiguration/modelId response property for the response status 200

added the new v0-1.5-sm enum value to the modelConfiguration/modelId response property for the response status 200

added the new v0-gpt-5 enum value to the modelConfiguration/modelId response property for the response status 200

added subschema #1 subschema #2 to the messages/items/experimental_content/items response property anyOf list for the response status 200

removed subschema #1 subschema #2 from the messages/items/experimental_content/items response property anyOf list for the response status 200

the response property modelConfiguration/modelId became required for the status 200

the modelId response's property default value v0-pro was removed for the status 200

removed the answered-questions enum value from the messages/items/type response property for the response status 200

removed the cloned-repo enum value from the messages/items/type response property for the response status 200

removed the design-mode enum value from the messages/items/type response property for the response status 200

removed the fix-cve enum value from the messages/items/type response property for the response status 200

removed the manual-commit enum value from the messages/items/type response property for the response status 200

removed the pull-changes enum value from the messages/items/type response property for the response status 200

removed the v0-auto enum value from the modelConfiguration/modelId response property for the response status 200

removed the v0-max enum value from the modelConfiguration/modelId response property for the response status 200

removed the v0-max-fast enum value from the modelConfiguration/modelId response property for the response status 200

removed the v0-mini enum value from the modelConfiguration/modelId response property for the response status 200

removed the v0-opus-4.7 enum value from the modelConfiguration/modelId response property for the response status 200

removed the v0-pro enum value from the modelConfiguration/modelId response property for the response status 200

the createdAt response's property pattern ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ was removed for the status 200

the latestVersion/createdAt response's property pattern ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ was removed for the status 200

the latestVersion/updatedAt response's property pattern ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ was removed for the status 200

the messages/items/updatedAt response's property pattern ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ was removed for the status 200