13 KiB
13 KiB
Stability AI Image 接口字段
协议身份
- 插件 ID:
stability-image。 - Provider ID:
stability-image。 - 能力:
image。 - 默认 Base URL:
https://api.stability.ai。 - 鉴权驱动:
bearer。 - 创建:
POST 动态路径。 - 生命周期:同步响应。
配置字段
| 字段 | 类型 | 必填 | 含义 |
|---|---|---|---|
apiKey |
secret | 是 | API Key |
统一字段映射
| 统一字段 | 类型 | 必填 | 上游映射 | 说明 |
|---|---|---|---|---|
model |
string | 是 | model |
图片模型 ID。 |
prompt |
string | 是 | prompt |
图片提示词。 |
images |
media[] | 否 | provider image/reference fields |
参考图或编辑源图,role 由业务层确定。 |
imageCount |
integer | 否 | n/sample_count |
输出数量。 |
aspectRatio |
string | 否 | size/aspect_ratio |
比例或尺寸,语义按协议说明。 |
resolution |
string | 否 | resolution/imageSize |
分辨率档位。 |
quality |
string | 否 | quality |
质量档位。 |
providerOptions |
object | 否 | provider-specific fields |
插件命名空间内的厂商扩展字段。 |
上游请求模板逐字段清单
下表由插件请求模板生成,覆盖 body、query、headers 和 multipart 文件声明中的每个字段。
| 上游位置 | 值或转换表达式 |
|---|---|
create.method |
"POST" |
create.path |
"dynamic" |
create.contentType |
"multipart/form-data" |
create.body.prompt |
{"$ref":"request.prompt"} |
create.body.negative_prompt |
{"$omitEmpty":{"$ref":"request.providerOptions.stability-image.negative_prompt"}} |
create.body.aspect_ratio |
{"$omitEmpty":{"$ref":"request.aspectRatio"}} |
create.body.output_format |
{"$coalesce":[{"$ref":"request.output.format"},{"$ref":"request.providerOptions.stability-image.output_format"},"png"]} |
create.body.seed |
{"$omitEmpty":{"$ref":"request.providerOptions.stability-image.seed"}} |
create.body.style_preset |
{"$omitEmpty":{"$ref":"request.providerOptions.stability-image.style_preset"}} |
create.body.strength |
{"$omitEmpty":{"$ref":"request.providerOptions.stability-image.strength"}} |
create.body.cfg_scale |
{"$omitEmpty":{"$ref":"request.providerOptions.stability-image.cfg_scale"}} |
create.body.grow_mask |
{"$omitEmpty":{"$ref":"request.providerOptions.stability-image.grow_mask"}} |
create.body.creativity |
{"$omitEmpty":{"$ref":"request.providerOptions.stability-image.creativity"}} |
create.headers.Accept |
"application/json" |
create.files[0].name |
"image" |
create.files[0].source |
{"$first":{"$filter":{"from":{"$sortByOrder":{"$ref":"request.images"}},"as":"media","where":{"$in":[{"$ref":"media.role"},["edit_source","reference_image",""]]}}}} |
create.files[0].filename |
"image.png" |
create.files[1].name |
"mask" |
create.files[1].source |
{"$first":{"$filter":{"from":{"$sortByOrder":{"$ref":"request.images"}},"as":"media","where":{"$in":[{"$ref":"media.role"},["mask"]]}}}} |
create.files[1].filename |
"mask.png" |
Provider 扩展键
providerOptions.stability-image.cfg_scaleproviderOptions.stability-image.creativityproviderOptions.stability-image.endpointproviderOptions.stability-image.grow_maskproviderOptions.stability-image.negative_promptproviderOptions.stability-image.output_formatproviderOptions.stability-image.seedproviderOptions.stability-image.strengthproviderOptions.stability-image.style_preset
动态模型或工作流允许使用文档声明的完整 parameters/input/extra_body 对象;该对象是协议本身的开放 schema,不会被宿主裁剪。
响应映射逐字段清单
| 映射位置 | 上游路径或转换表达式 |
|---|---|
response.status |
{"$if":{"condition":{"$ref":"response.errors"},"then":"failed","else":"succeeded"}} |
response.message |
{"$coalesce":[{"$ref":"response.errors"},{"$ref":"response.message"}]} |
response.images |
{"$if":{"condition":{"$ref":"response.image"},"then":[{"dataUrl":{"$concat":["data:",{"$coalesce":[{"$ref":"response.mime_type"},"image/png"]},";base64,",{"$ref":"response.image"}]}}],"else":null}} |
response.errorPaths[0] |
"errors" |
响应与错误
插件把上游 task/status/text/media/usage 映射为统一结果。临时媒体 URL 标记为 ephemeral,由宿主立即下载持久化。HTTP 错误、业务 code 和 error object 保持失败语义,不包装成成功。
兼容边界
该包只代表上述线协议 profile;同一品牌的其他 endpoint、云区域或网关包装必须使用独立插件,不能根据模型名猜测。
Manifest 完整接口定义
以下 JSON 与插件包内实际 manifest.json 逐字段一致,覆盖插件身份、权限、配置、鉴权、参数、校验、创建、Agent、查询、取消、结果下载、响应和 Agent 响应映射。documentation 字段的值就是当前完整文档;为避免文档在自身内部无限递归,JSON 中仅用等义占位文本表示正文。
{
"apiVersion": "yingce.plugin/v2",
"id": "stability-image",
"name": "Stability AI Image",
"version": "2.0.0",
"author": "Stability AI / 影策",
"description": "Stability AI Image 独立请求协议插件。",
"documentation": "<当前插件的完整 documentation,由 README.md 与 docs/interface.md 拼接而成;为避免 JSON 递归,此处不重复展开正文。>",
"permissions": [
"generation.run",
"media.read"
],
"configuration": {
"fields": [
{
"name": "apiKey",
"type": "secret",
"label": "API Key",
"required": true
}
]
},
"contributes": {
"providers": [
{
"id": "stability-image",
"label": "Stability AI Image",
"capabilities": [
"image"
],
"scopes": [
"admin.system-channel",
"user.custom-channel",
"canvas",
"creation",
"agent"
],
"baseUrl": "https://api.stability.ai",
"requiresPublicMediaUrls": false,
"auth": {
"type": "bearer",
"field": "apiKey"
},
"parameters": [
{
"name": "model",
"type": "string",
"required": true,
"mapping": "model",
"description": "图片模型 ID。"
},
{
"name": "prompt",
"type": "string",
"required": true,
"mapping": "prompt",
"description": "图片提示词。"
},
{
"name": "images",
"type": "media[]",
"required": false,
"mapping": "provider image/reference fields",
"description": "参考图或编辑源图,role 由业务层确定。"
},
{
"name": "imageCount",
"type": "integer",
"required": false,
"mapping": "n/sample_count",
"description": "输出数量。"
},
{
"name": "aspectRatio",
"type": "string",
"required": false,
"mapping": "size/aspect_ratio",
"description": "比例或尺寸,语义按协议说明。"
},
{
"name": "resolution",
"type": "string",
"required": false,
"mapping": "resolution/imageSize",
"description": "分辨率档位。"
},
{
"name": "quality",
"type": "string",
"required": false,
"mapping": "quality",
"description": "质量档位。"
},
{
"name": "providerOptions",
"type": "object",
"required": false,
"mapping": "provider-specific fields",
"description": "插件命名空间内的厂商扩展字段。"
}
],
"create": {
"method": "POST",
"pathTemplate": {
"$coalesce": [
{
"$ref": "request.providerOptions.stability-image.endpoint"
},
"/v2beta/stable-image/generate/core"
]
},
"contentType": "multipart/form-data",
"headers": {
"Accept": "application/json"
},
"body": {
"prompt": {
"$ref": "request.prompt"
},
"negative_prompt": {
"$omitEmpty": {
"$ref": "request.providerOptions.stability-image.negative_prompt"
}
},
"aspect_ratio": {
"$omitEmpty": {
"$ref": "request.aspectRatio"
}
},
"output_format": {
"$coalesce": [
{
"$ref": "request.output.format"
},
{
"$ref": "request.providerOptions.stability-image.output_format"
},
"png"
]
},
"seed": {
"$omitEmpty": {
"$ref": "request.providerOptions.stability-image.seed"
}
},
"style_preset": {
"$omitEmpty": {
"$ref": "request.providerOptions.stability-image.style_preset"
}
},
"strength": {
"$omitEmpty": {
"$ref": "request.providerOptions.stability-image.strength"
}
},
"cfg_scale": {
"$omitEmpty": {
"$ref": "request.providerOptions.stability-image.cfg_scale"
}
},
"grow_mask": {
"$omitEmpty": {
"$ref": "request.providerOptions.stability-image.grow_mask"
}
},
"creativity": {
"$omitEmpty": {
"$ref": "request.providerOptions.stability-image.creativity"
}
}
},
"files": [
{
"name": "image",
"source": {
"$first": {
"$filter": {
"from": {
"$sortByOrder": {
"$ref": "request.images"
}
},
"as": "media",
"where": {
"$in": [
{
"$ref": "media.role"
},
[
"edit_source",
"reference_image",
""
]
]
}
}
}
},
"filename": "image.png"
},
{
"name": "mask",
"source": {
"$first": {
"$filter": {
"from": {
"$sortByOrder": {
"$ref": "request.images"
}
},
"as": "media",
"where": {
"$in": [
{
"$ref": "media.role"
},
[
"mask"
]
]
}
}
}
},
"filename": "mask.png"
}
]
},
"response": {
"status": {
"$if": {
"condition": {
"$ref": "response.errors"
},
"then": "failed",
"else": "succeeded"
}
},
"message": {
"$coalesce": [
{
"$ref": "response.errors"
},
{
"$ref": "response.message"
}
]
},
"images": {
"$if": {
"condition": {
"$ref": "response.image"
},
"then": [
{
"dataUrl": {
"$concat": [
"data:",
{
"$coalesce": [
{
"$ref": "response.mime_type"
},
"image/png"
]
},
";base64,",
{
"$ref": "response.image"
}
]
}
}
],
"else": null
}
},
"errorPaths": [
"errors"
]
}
}
]
}
}