refactor(*): 平台架构 - 拆分后端领域模块并同步插件协议与模型能力

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# Google Gemini generateContent 接口字段
## 协议身份
- 插件 ID:`google-gemini-generate-content`。
- Provider ID:`gemini-generate-content`。
- 能力:`text`。
- 默认 Base URL:`https://generativelanguage.googleapis.com`。
- 鉴权驱动:`google-api-key`。
- 创建:`POST /v1beta/models/{{model}}:generateContent`。
- Agent:`POST /v1beta/models/{{model}}:generateContent`。
- 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` | 上游模型 ID。 |
| `messages` | message[] | 是 | `provider message container` | 包含历史消息和当前用户输入。 |
| `instructions` | string | 否 | `system/instructions` | 系统指令。 |
| `temperature` | number | 否 | `temperature` | 采样温度。 |
| `top_p` | number | 否 | `top_p` | 核采样参数。 |
| `max_tokens` | integer | 否 | `max_tokens/max_output_tokens` | 最大输出 token。 |
| `tools` | array | 否 | `tools/toolConfig` | 工具定义。 |
| `tool_choice` | object|string | 否 | `tool_choice` | 工具选择策略。 |
| `response_format` | object | 否 | `response_format/text` | 结构化输出配置。 |
| `stream` | boolean | 否 | `stream` | 流式开关;后台任务当前以最终响应归一。 |
## 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` | `"/v1beta/models/{{model}}:generateContent"` |
| `create.contentType` | `"application/json"` |
| `create.body.contents` | `{"$map":{"from":{"$filter":{"from":{"$ref":"request.messages"},"as":"message","where":{"$ne":[{"$ref":"message.role"},"system"]}}},"as":"message","in":{"role":{"$if":{"condition":{"$eq":[{"$ref":"message.role"},"assistant"]},"then":"model","else":"user"}},"parts":[{"text":{"$ref":"message.content"}}]}}}` |
| `create.body.systemInstruction` | `{"$if":{"condition":{"$ref":"request.instructions"},"then":{"parts":[{"text":{"$ref":"request.instructions"}}]},"else":null}}` |
| `create.body.generationConfig` | `{"$omitEmpty":{"$ref":"request.providerOptions.gemini-generate-content.generationConfig"}}` |
| `create.body.safetySettings` | `{"$omitEmpty":{"$ref":"request.providerOptions.gemini-generate-content.safetySettings"}}` |
| `create.body.tools` | `{"$omitEmpty":{"$ref":"request.providerOptions.gemini-generate-content.tools"}}` |
| `create.body.toolConfig` | `{"$omitEmpty":{"$ref":"request.providerOptions.gemini-generate-content.toolConfig"}}` |
| `create.body.cachedContent` | `{"$omitEmpty":{"$ref":"request.providerOptions.gemini-generate-content.cachedContent"}}` |
| `agent.method` | `"POST"` |
| `agent.path` | `"/v1beta/models/{{model}}:generateContent"` |
| `agent.contentType` | `"application/json"` |
| `agent.body` | `{"$ref":"request.extra.agent.gemini"}` |
## Provider 扩展键
- `providerOptions.gemini-generate-content.cachedContent`
- `providerOptions.gemini-generate-content.generationConfig`
- `providerOptions.gemini-generate-content.safetySettings`
- `providerOptions.gemini-generate-content.toolConfig`
- `providerOptions.gemini-generate-content.tools`
动态模型或工作流允许使用文档声明的完整 `parameters/input/extra_body` 对象;该对象是协议本身的开放 schema,不会被宿主裁剪。
## 响应映射逐字段清单
| 映射位置 | 上游路径或转换表达式 |
| --- | --- |
| `response.status` | `"succeeded"` |
| `response.text` | `{"$map":{"from":{"$ref":"response.candidates.0.content.parts"},"as":"part","in":{"$omitEmpty":{"$ref":"part.text"}}}}` |
| `response.usage` | `{"$ref":"response.usageMetadata"}` |
| `response.errorPaths[0]` | `"error.code"` |
| `response.messagePaths[0]` | `"error.message"` |
| `agentResponse.textPaths[0]` | `"candidates.0.content.parts.0.text"` |
| `agentResponse.toolCallsPath` | `"candidates.0.content.parts"` |
| `agentResponse.toolCallIdPaths[0]` | `"functionCall.id"` |
| `agentResponse.toolCallNamePaths[0]` | `"functionCall.name"` |
| `agentResponse.toolCallArgumentsPaths[0]` | `"functionCall.args"` |
| `agentResponse.toolCallThoughtSignaturePaths[0]` | `"thoughtSignature"` |
| `agentResponse.toolCallThoughtSignaturePaths[1]` | `"thought_signature"` |
## 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。
<!-- 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": "google-gemini-generate-content",
"name": "Google Gemini generateContent",
"version": "2.0.0",
"author": "Google / 影策",
"description": "Google Gemini generateContent 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": "gemini-generate-content",
"label": "Google Gemini generateContent",
"capabilities": [
"text"
],
"scopes": [
"admin.system-channel",
"user.custom-channel",
"canvas",
"creation",
"agent"
],
"baseUrl": "https://generativelanguage.googleapis.com",
"requiresPublicMediaUrls": false,
"auth": {
"type": "google-api-key",
"field": "apiKey"
},
"parameters": [
{
"name": "model",
"type": "string",
"required": true,
"mapping": "model",
"description": "上游模型 ID。"
},
{
"name": "messages",
"type": "message[]",
"required": true,
"mapping": "provider message container",
"description": "包含历史消息和当前用户输入。"
},
{
"name": "instructions",
"type": "string",
"required": false,
"mapping": "system/instructions",
"description": "系统指令。"
},
{
"name": "temperature",
"type": "number",
"required": false,
"mapping": "temperature",
"description": "采样温度。"
},
{
"name": "top_p",
"type": "number",
"required": false,
"mapping": "top_p",
"description": "核采样参数。"
},
{
"name": "max_tokens",
"type": "integer",
"required": false,
"mapping": "max_tokens/max_output_tokens",
"description": "最大输出 token。"
},
{
"name": "tools",
"type": "array",
"required": false,
"mapping": "tools/toolConfig",
"description": "工具定义。"
},
{
"name": "tool_choice",
"type": "object|string",
"required": false,
"mapping": "tool_choice",
"description": "工具选择策略。"
},
{
"name": "response_format",
"type": "object",
"required": false,
"mapping": "response_format/text",
"description": "结构化输出配置。"
},
{
"name": "stream",
"type": "boolean",
"required": false,
"mapping": "stream",
"description": "流式开关;后台任务当前以最终响应归一。"
}
],
"create": {
"method": "POST",
"path": "/v1beta/models/{{model}}:generateContent",
"contentType": "application/json",
"body": {
"contents": {
"$map": {
"from": {
"$filter": {
"from": {
"$ref": "request.messages"
},
"as": "message",
"where": {
"$ne": [
{
"$ref": "message.role"
},
"system"
]
}
}
},
"as": "message",
"in": {
"role": {
"$if": {
"condition": {
"$eq": [
{
"$ref": "message.role"
},
"assistant"
]
},
"then": "model",
"else": "user"
}
},
"parts": [
{
"text": {
"$ref": "message.content"
}
}
]
}
}
},
"systemInstruction": {
"$if": {
"condition": {
"$ref": "request.instructions"
},
"then": {
"parts": [
{
"text": {
"$ref": "request.instructions"
}
}
]
},
"else": null
}
},
"generationConfig": {
"$omitEmpty": {
"$ref": "request.providerOptions.gemini-generate-content.generationConfig"
}
},
"safetySettings": {
"$omitEmpty": {
"$ref": "request.providerOptions.gemini-generate-content.safetySettings"
}
},
"tools": {
"$omitEmpty": {
"$ref": "request.providerOptions.gemini-generate-content.tools"
}
},
"toolConfig": {
"$omitEmpty": {
"$ref": "request.providerOptions.gemini-generate-content.toolConfig"
}
},
"cachedContent": {
"$omitEmpty": {
"$ref": "request.providerOptions.gemini-generate-content.cachedContent"
}
}
}
},
"agent": {
"method": "POST",
"path": "/v1beta/models/{{model}}:generateContent",
"contentType": "application/json",
"body": {
"$ref": "request.extra.agent.gemini"
}
},
"response": {
"status": "succeeded",
"text": {
"$map": {
"from": {
"$ref": "response.candidates.0.content.parts"
},
"as": "part",
"in": {
"$omitEmpty": {
"$ref": "part.text"
}
}
}
},
"usage": {
"$ref": "response.usageMetadata"
},
"errorPaths": [
"error.code"
],
"messagePaths": [
"error.message"
]
},
"agentResponse": {
"textPaths": [
"candidates.0.content.parts.0.text"
],
"toolCallsPath": "candidates.0.content.parts",
"toolCallIdPaths": [
"functionCall.id"
],
"toolCallNamePaths": [
"functionCall.name"
],
"toolCallArgumentsPaths": [
"functionCall.args"
],
"toolCallThoughtSignaturePaths": [
"thoughtSignature",
"thought_signature"
]
}
}
]
}
}
```
<!-- YINGCE_MANIFEST_CONTRACT_END -->