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ttstd-infinite-canvas/plugin-packages/pika-via-fal/docs/interface.md

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# Pika via fal.ai 接口字段
## 协议身份
- 插件 ID:`pika-via-fal`。
- Provider ID:`pika-via-fal`。
- 能力:`video`。
- 默认 Base URL:`https://queue.fal.run`。
- 鉴权驱动:`bearer`。
- 创建:`POST /{{model}}`。
- 查询:`GET /{{request.providerOptions.pika-via-fal.statusPath}}`。
## 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` | 视频模型 ID。 |
| `prompt` | string | 是 | `prompt/content/input` | 视频提示词。 |
| `images` | media[] | 否 | `first/last/reference image` | 显式 role 图片输入。 |
| `videos` | media[] | 否 | `reference video` | 参考视频。 |
| `audios` | media[] | 否 | `reference audio/voice` | 参考音频或音色。 |
| `duration` | integer | 否 | `duration/seconds` | 时长秒数。 |
| `aspectRatio` | string | 否 | `ratio/aspect_ratio/size` | 画幅比例或尺寸。 |
| `resolution` | string | 否 | `resolution` | 分辨率档位。 |
| `generateAudio` | boolean | 否 | `generate_audio` | 是否生成音频。 |
| `watermark` | boolean | 否 | `watermark` | 水印开关。 |
| `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` | `"/{{model}}"` |
| `create.contentType` | `"application/json"` |
| `create.body.version` | `{"$omitEmpty":{"$ref":"request.providerOptions.pika-via-fal.version"}}` |
| `create.body.model` | `{"$omitEmpty":{"$coalesce":[{"$ref":"request.providerOptions.pika-via-fal.model"},{"$ref":"request.model"}]}}` |
| `create.body.input` | `{"$omitEmpty":{"$coalesce":[{"$ref":"request.providerOptions.pika-via-fal.input"},{"prompt":{"$ref":"request.prompt"},"images":{"$map":{"from":{"$ref":"request.images"},"as":"media","in":{"$ref":"media.value"}}},"videos":{"$map":{"from":{"$ref":"request.videos"},"as":"media","in":{"$ref":"media.value"}}},"audios":{"$map":{"from":{"$ref":"request.audios"},"as":"media","in":{"$ref":"media.value"}}}}]}}` |
| `create.body.prompt` | `{"$omitEmpty":{"$ref":"request.providerOptions.pika-via-fal.workflow"}}` |
| `create.body.client_id` | `{"$omitEmpty":{"$ref":"request.providerOptions.pika-via-fal.client_id"}}` |
| `create.body.webhook` | `{"$omitEmpty":{"$ref":"request.providerOptions.pika-via-fal.webhook"}}` |
| `create.body.webhook_events_filter` | `{"$omitEmpty":{"$ref":"request.providerOptions.pika-via-fal.webhook_events_filter"}}` |
| `poll.method` | `"GET"` |
| `poll.path` | `"/{{request.providerOptions.pika-via-fal.statusPath}}"` |
| `poll.contentType` | `"application/json"` |
## Provider 扩展键
- `providerOptions.pika-via-fal.client_id`
- `providerOptions.pika-via-fal.input`
- `providerOptions.pika-via-fal.model`
- `providerOptions.pika-via-fal.statusPath`
- `providerOptions.pika-via-fal.version`
- `providerOptions.pika-via-fal.webhook`
- `providerOptions.pika-via-fal.webhook_events_filter`
- `providerOptions.pika-via-fal.workflow`
动态模型或工作流允许使用文档声明的完整 `parameters/input/extra_body` 对象;该对象是协议本身的开放 schema,不会被宿主裁剪。
## 响应映射逐字段清单
| 映射位置 | 上游路径或转换表达式 |
| --- | --- |
| `response.taskId` | `{"$coalesce":[{"$ref":"response.id"},{"$ref":"response.request_id"},{"$ref":"response.prompt_id"},{"$ref":"taskId"}]}` |
| `response.status` | `{"$coalesce":[{"$ref":"response.status"},{"$ref":"response.state"},{"$ref":"response.data.status"},"pending"]}` |
| `response.message` | `{"$coalesce":[{"$ref":"response.error.message"},{"$ref":"response.message"},{"$ref":"response.fail_reason"}]}` |
| `response.videos` | `{"$ref":"response.video"}` |
| `response.errorPaths[0]` | `"error.code"` |
| `response.resultEphemeral` | `true` |
## 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
这是运行时/工作流协议,模型字段由 endpoint、version 或 workflow schema 决定。插件不伪造固定模型字段;providerOptions.input/workflow/prompt 是完整请求对象,并由 conformance fixture 锁定实际接入版本。
<!-- YINGCE_MANIFEST_CONTRACT_START -->
## 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。
```json
{
"apiVersion": "yingce.plugin/v2",
"id": "pika-via-fal",
"name": "Pika via fal.ai",
"version": "2.0.0",
"author": "fal.ai / 影策",
"description": "Pika via fal.ai 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": "pika-via-fal",
"label": "Pika via fal.ai",
"capabilities": [
"video"
],
"scopes": [
"admin.system-channel",
"user.custom-channel",
"canvas",
"creation",
"agent"
],
"baseUrl": "https://queue.fal.run",
"requiresPublicMediaUrls": false,
"auth": {
"type": "bearer",
"field": "apiKey"
},
"parameters": [
{
"name": "model",
"type": "string",
"required": true,
"mapping": "model",
"description": "视频模型 ID。"
},
{
"name": "prompt",
"type": "string",
"required": true,
"mapping": "prompt/content/input",
"description": "视频提示词。"
},
{
"name": "images",
"type": "media[]",
"required": false,
"mapping": "first/last/reference image",
"description": "显式 role 图片输入。"
},
{
"name": "videos",
"type": "media[]",
"required": false,
"mapping": "reference video",
"description": "参考视频。"
},
{
"name": "audios",
"type": "media[]",
"required": false,
"mapping": "reference audio/voice",
"description": "参考音频或音色。"
},
{
"name": "duration",
"type": "integer",
"required": false,
"mapping": "duration/seconds",
"description": "时长秒数。"
},
{
"name": "aspectRatio",
"type": "string",
"required": false,
"mapping": "ratio/aspect_ratio/size",
"description": "画幅比例或尺寸。"
},
{
"name": "resolution",
"type": "string",
"required": false,
"mapping": "resolution",
"description": "分辨率档位。"
},
{
"name": "generateAudio",
"type": "boolean",
"required": false,
"mapping": "generate_audio",
"description": "是否生成音频。"
},
{
"name": "watermark",
"type": "boolean",
"required": false,
"mapping": "watermark",
"description": "水印开关。"
},
{
"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",
"path": "/{{model}}",
"contentType": "application/json",
"body": {
"version": {
"$omitEmpty": {
"$ref": "request.providerOptions.pika-via-fal.version"
}
},
"model": {
"$omitEmpty": {
"$coalesce": [
{
"$ref": "request.providerOptions.pika-via-fal.model"
},
{
"$ref": "request.model"
}
]
}
},
"input": {
"$omitEmpty": {
"$coalesce": [
{
"$ref": "request.providerOptions.pika-via-fal.input"
},
{
"prompt": {
"$ref": "request.prompt"
},
"images": {
"$map": {
"from": {
"$ref": "request.images"
},
"as": "media",
"in": {
"$ref": "media.value"
}
}
},
"videos": {
"$map": {
"from": {
"$ref": "request.videos"
},
"as": "media",
"in": {
"$ref": "media.value"
}
}
},
"audios": {
"$map": {
"from": {
"$ref": "request.audios"
},
"as": "media",
"in": {
"$ref": "media.value"
}
}
}
}
]
}
},
"prompt": {
"$omitEmpty": {
"$ref": "request.providerOptions.pika-via-fal.workflow"
}
},
"client_id": {
"$omitEmpty": {
"$ref": "request.providerOptions.pika-via-fal.client_id"
}
},
"webhook": {
"$omitEmpty": {
"$ref": "request.providerOptions.pika-via-fal.webhook"
}
},
"webhook_events_filter": {
"$omitEmpty": {
"$ref": "request.providerOptions.pika-via-fal.webhook_events_filter"
}
}
}
},
"poll": {
"method": "GET",
"path": "/{{request.providerOptions.pika-via-fal.statusPath}}"
},
"response": {
"taskId": {
"$coalesce": [
{
"$ref": "response.id"
},
{
"$ref": "response.request_id"
},
{
"$ref": "response.prompt_id"
},
{
"$ref": "taskId"
}
]
},
"status": {
"$coalesce": [
{
"$ref": "response.status"
},
{
"$ref": "response.state"
},
{
"$ref": "response.data.status"
},
"pending"
]
},
"message": {
"$coalesce": [
{
"$ref": "response.error.message"
},
{
"$ref": "response.message"
},
{
"$ref": "response.fail_reason"
}
]
},
"videos": {
"$ref": "response.video"
},
"errorPaths": [
"error.code"
],
"resultEphemeral": true
}
}
]
}
}
```
<!-- YINGCE_MANIFEST_CONTRACT_END -->