feat: 支持 v2 插件、独立前端和签名制品发布 (#130)

* feat: 支持 v2 插件、原生扩展与签名发布

* fix: 修复测试

* feat: 增强宿主 SDK、运行观测与制品维护能力

* feat: 增强文件传输、配置观测与本地开发能力

* feat: 支持 SSE 实时事件流并完善开发脚手架

* feat: 完善长连接鉴权复核与关闭回收

* feat: 增强生命周期与任务关闭可靠性

* feat: 收紧健康检查契约并补齐前端与真实网络验收

* feat: 增加SDK溯源与离线更新工具并验证跨版本兼容

* feat: 增加持久化业务示例与受控 Python 交付

* feat: 增加统一运行诊断与多worker状态观测

* feat: 增加固定目标发布等待与自动验收

* fix: 修复多环境插件部署前缀与代理配置不一致

* fix: 修复测试

ruoyi-fastapi-backend/plugins/examples/python/task_demo/models.py

@@ -0,0 +1,62 @@
+from typing import Annotated, Literal
+
+from pydantic import BaseModel, ConfigDict, Field, StringConstraints, field_validator
+from sqlalchemy import CheckConstraint, Column, MetaData, String, Table
+
+from common.types import DbUtcDateTime
+
+MIN_PRINTABLE_CODEPOINT = 32
+metadata = MetaData()
+tasks = Table(
+    'ruoyi_plugin_task_demo',
+    metadata,
+    Column('id', String(32), primary_key=True),
+    Column('title', String(120), nullable=False),
+    Column('description', String(500), nullable=False, server_default=''),
+    Column('status', String(4), nullable=False, server_default='todo'),
+    Column('created_at', DbUtcDateTime, nullable=False),
+    Column('updated_at', DbUtcDateTime, nullable=False),
+    Column('priority', String(6), nullable=False, server_default='normal'),
+    CheckConstraint("status IN ('todo', 'done')", name='ck_task_demo_status'),
+    CheckConstraint("priority IN ('normal', 'high')", name='ck_task_demo_priority'),
+)
+
+
+class TaskInput(BaseModel):
+    """任务创建和完整更新的输入字段。"""
+
+    model_config = ConfigDict(extra='forbid')
+
+    title: Annotated[str, StringConstraints(strip_whitespace=True, min_length=1, max_length=120)]
+    description: str = Field(default='', max_length=500)
+    status: Literal['todo', 'done'] = 'todo'
+    priority: Literal['normal', 'high'] = 'normal'
+
+    @field_validator('title', 'description')
+    @classmethod
+    def reject_control_characters(cls, value: str) -> str:
+        """
+        拒绝不可显示控制字符，使最大分页仍处于浏览器桥响应上限内。
+
+        :param value: 标题或描述文本
+        :return: 已校验的文本
+        """
+        if any(ord(character) < MIN_PRINTABLE_CODEPOINT and character not in '\n\r\t' for character in value):
+            raise ValueError('文本不能包含不可显示的控制字符')
+        return value
+
+
+class TaskQuery(BaseModel):
+    """限制单次响应体积，并提供稳定的分页和状态筛选。"""
+
+    model_config = ConfigDict(extra='forbid')
+
+    page: int = Field(default=1, ge=1, le=1_000_000)
+    page_size: int = Field(default=10, ge=1, le=20, alias='pageSize')
+    status: Literal['todo', 'done'] | None = None
+
+
+class TaskIdentifier(BaseModel):
+    """用于路径参数的插件任务标识。"""
+
+    id: str = Field(pattern=r'^[0-9a-f]{32}$')