fix: delete agent 500 error + dynamic personality + deployment guide

- Fix delete agent 500: clean up FK records (agent_llm_logs, permissions,
  schedules, executions, team_members) and unbind goals/tasks before delete
- Remove hardcoded personality templates in Android, replace with dynamic
  system prompt generation from name + description
- Set promptSectionsEnabled=false to bypass PromptComposer for personality
- Add Tencent Cloud Linux deployment guide (Docker Compose)
- Accumulated backend service updates, frontend UI fixes, Android app changes

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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# 插件开发指南
> **Plugin Development Guide** — 天工智能体平台插件系统
本文档面向希望为天工智能体平台开发自定义节点的开发者。
---
## 一、插件系统概览
插件系统允许开发者扩展工作流中的节点类型,自定义处理逻辑。插件注册后可在工作流编辑器中像内置节点一样使用。
### 插件模型
```
NodePlugin
├── id: UUID
├── name: 插件名称
├── description: 描述
├── plugin_type: code | http | transform | trigger | output
├── category: 分类
├── config_schema: 配置项 JSON Schema
├── code: 插件代码code 类型)
├── endpoint: HTTP 端点http 类型)
├── inputs: 输入定义 [{name, type, required, default}]
├── outputs: 输出定义 [{name, type, description}]
├── is_public: 是否公开
├── version: 版本号
├── workspace_id: 所属工作区
└── user_id: 创建者
```
### API 端点
| 方法 | 路径 | 说明 |
|------|------|------|
| GET | `/api/v1/plugins` | 插件列表 |
| POST | `/api/v1/plugins` | 创建插件 |
| GET | `/api/v1/plugins/{id}` | 插件详情 |
| PUT | `/api/v1/plugins/{id}` | 更新插件 |
| DELETE | `/api/v1/plugins/{id}` | 删除插件 |
| POST | `/api/v1/plugins/{id}/test` | 测试插件 |
| POST | `/api/v1/plugins/{id}/publish` | 发布到市场 |
| POST | `/api/v1/plugins/market/install` | 从市场安装 |
| POST | `/api/v1/plugins/{id}/toggle` | 启用/禁用 |
---
## 二、Code 类型插件
Code 插件是最灵活的插件类型,直接编写 Python 代码实现自定义逻辑。
### 代码模板
```python
"""
插件入口函数签名:
def run(inputs: dict, config: dict, context: dict) -> dict
参数:
inputs — 上游节点传递的输入数据
config — 用户在编辑器中配置的参数
context — 运行时上下文 {execution_id, agent_id, user_id, workspace_id, secrets}
返回:
dict — 输出数据,传递给下游节点
异常:
抛出 PluginError("message") 会被框架捕获并记录到执行日志
"""
import json
import re
from typing import Any, Dict
class PluginError(Exception):
"""插件自定义异常"""
pass
def run(inputs: Dict[str, Any], config: Dict[str, Any], context: Dict[str, Any]) -> Dict[str, Any]:
"""
示例:文本清洗 + 格式化插件
"""
text = inputs.get("text", "")
if not text:
raise PluginError("输入 text 不能为空")
# 读取配置
remove_html = config.get("remove_html", True)
remove_extra_spaces = config.get("remove_extra_spaces", True)
max_length = config.get("max_length", 0)
result = text
if remove_html:
result = re.sub(r"<[^>]+>", "", result)
if remove_extra_spaces:
result = re.sub(r"\s+", " ", result).strip()
if max_length > 0 and len(result) > max_length:
result = result[:max_length] + "..."
# 统计信息
original_length = len(text)
cleaned_length = len(result)
return {
"text": result,
"stats": {
"original_length": original_length,
"cleaned_length": cleaned_length,
"reduction_pct": round((1 - cleaned_length / max(original_length, 1)) * 100, 1),
},
}
```
### 配置 Schema
```json
{
"type": "object",
"properties": {
"remove_html": {
"type": "boolean",
"title": "移除 HTML 标签",
"default": true
},
"remove_extra_spaces": {
"type": "boolean",
"title": "合并多余空白",
"default": true
},
"max_length": {
"type": "integer",
"title": "最大长度0=不限制)",
"default": 0,
"minimum": 0
}
}
}
```
### 创建 Code 插件
```http
POST /api/v1/plugins
Authorization: Bearer <token>
Content-Type: application/json
{
"name": "",
"description": " HTML ",
"plugin_type": "code",
"category": "transform",
"config_schema": { ... },
"code": "def run(inputs, config, context): ...",
"inputs": [
{"name": "text", "type": "string", "required": true, "description": ""}
],
"outputs": [
{"name": "text", "type": "string", "description": ""},
{"name": "stats", "type": "object", "description": ""}
]
}
```
---
## 三、HTTP 类型插件
HTTP 插件封装外部 API 调用,可在工作流中直接使用。
### 配置 Schema
```json
{
"type": "object",
"properties": {
"method": {
"type": "string",
"enum": ["GET", "POST", "PUT", "DELETE"],
"title": "请求方法",
"default": "POST"
},
"url": {
"type": "string",
"title": "请求 URL",
"description": "支持变量 {{变量名}}"
},
"headers": {
"type": "object",
"title": "自定义请求头"
},
"timeout": {
"type": "integer",
"title": "超时(秒)",
"default": 30
}
},
"required": ["url"]
}
```
### 创建 HTTP 插件示例
```http
POST /api/v1/plugins
Authorization: Bearer <token>
Content-Type: application/json
{
"name": "",
"description": " OpenWeather API ",
"plugin_type": "http",
"category": "integration",
"endpoint": "https://api.openweathermap.org/data/2.5/weather",
"config_schema": {
"type": "object",
"properties": {
"method": {"type": "string", "default": "GET"},
"url": {"type": "string", "default": "https://api.openweathermap.org/data/2.5/weather"},
"headers": {"type": "object", "default": {}},
"timeout": {"type": "integer", "default": 15}
}
},
"inputs": [
{"name": "city", "type": "string", "required": true, "description": ""},
{"name": "units", "type": "string", "required": false, "default": "metric", "description": ""}
],
"outputs": [
{"name": "temperature", "type": "number", "description": ""},
{"name": "humidity", "type": "number", "description": "湿"},
{"name": "description", "type": "string", "description": ""}
]
}
```
---
## 四、插件沙箱安全
### Code 插件执行环境
- 运行在受限的 Python 沙箱中
- 禁用模块:`os.system`, `subprocess`, `shutil`, `importlib`
- 允许模块:`json`, `re`, `math`, `datetime`, `hashlib`, `base64`, `collections`, `itertools`, `typing`
- 执行超时:默认 30 秒
- 内存限制64MB
### 安全最佳实践
1. **不要硬编码密钥** — 通过 `context.secrets` 获取
2. **验证所有输入** — 不信任上游数据
3. **异常处理** — 抛 `PluginError` 而非裸 `Exception`
4. **避免无限循环** — 注意循环条件,配合超时
5. **不访问文件系统** — 沙箱已禁用
---
## 五、插件测试
### 在线测试
```http
POST /api/v1/plugins/{plugin_id}/test
Content-Type: application/json
{
"inputs": {
"text": "<p>Hello <b>World</b></p>"
},
"config": {
"remove_html": true,
"remove_extra_spaces": true
}
}
```
响应:
```json
{
"success": true,
"outputs": {
"text": "Hello World",
"stats": {
"original_length": 27,
"cleaned_length": 11,
"reduction_pct": 59.3
}
},
"execution_time_ms": 12,
"logs": []
}
```
### 本地测试脚本
```python
# test_plugin.py
from app.models.plugin import NodePlugin
from app.services.plugin_service import execute_code_plugin
def test_my_plugin():
plugin = NodePlugin(
name="测试插件",
plugin_type="code",
code="""
def run(inputs, config, context):
text = inputs.get("text", "")
return {"result": text.upper()}
"""
)
result = execute_code_plugin(
plugin,
inputs={"text": "hello world"},
config={},
context={"execution_id": "test-123"},
)
assert result["result"] == "HELLO WORLD"
print("测试通过")
if __name__ == "__main__":
test_my_plugin()
```
---
## 六、发布到插件市场
### 发布流程
1. 创建并测试插件
2. 设置为公开:`is_public = true`
3. 添加标签和分类
4. 编写清晰的描述和文档
5. 发布:
```http
POST /api/v1/plugins/{plugin_id}/publish
Authorization: Bearer <token>
```
### 市场安装
其他用户可以通过插件市场安装你的插件:
```http
POST /api/v1/plugins/market/install
Authorization: Bearer <token>
Content-Type: application/json
{
"plugin_id": "source-plugin-uuid",
"workspace_id": "target-workspace-uuid"
}
```
---
## 七、最佳实践
### 命名规范
- **插件名称**:简洁描述功能,如"文本清洗器"/"天气查询"
- **输入输出**:使用语义化的字段名,如 `text`/`result` 而非 `data`/`out`
- **分类**选择最匹配的类型code/http/transform/trigger/output
### 错误处理
```python
def run(inputs, config, context):
# 1. 必填输入检查
if not inputs.get("required_field"):
raise PluginError("缺少必填输入: required_field")
# 2. 类型验证
value = inputs.get("number_field")
if not isinstance(value, (int, float)):
raise PluginError("number_field 必须是数字")
# 3. 业务逻辑...
try:
result = do_work(value, config)
except Exception as e:
raise PluginError(f"处理失败: {str(e)}")
# 4. 返回结构化输出
return {"result": result}
```
### 性能优化
- 避免在输入循环中使用正则(预编译 `re.compile`
- HTTP 插件设置合理的超时时间
- 大量数据处理使用生成器而非列表
- 缓存重复计算的结果
---
> 相关文档:[开发指南](./development-guide.md) | [API 参考](./api-reference.md) | [架构设计](./architecture.md)