chore: initial commit for Pretor v0.1.0-alpha

正式发布 Pretor 平台的首个 alpha 版本。本项目旨在构建一个基于分布式架构的多智能体协同工作流水线。

核心功能实现：
1. 建立基于 BaseIndividual 的动态插件加载机制。
2. 实现三类核心 worker_individual 子个体。
3. 集成 Ray 框架支持分布式集群调度。
4. 基于 PostgreSQL 的全量持久化存储方案。
5. 提供完整的 FastAPI 后端与 React 前端交互界面。

pretor/worker_individual/special_individual.py

@@ -0,0 +1,43 @@
+#  Copyright 2026 zhaoxi826
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+from pretor.worker_individual.base_individual import BaseIndividual, WorkerIndividualDeps
+from pretor.utils.logger import get_logger
+
+logger = get_logger('special_individual')
+
+class SpecialIndividual(BaseIndividual):
+    """
+    特殊子个体：执行特殊任务的 agent，如生成语音、视频等。
+    """
+
+    def __init__(self, agent_config: dict):
+        super().__init__(agent_config)
+
+    async def run(self, task_event: dict) -> dict:
+        if self.agent is None:
+            system_prompt = self.agent_config.get("prompt", "你是一个特殊的AI助手，负责处理特殊类型的任务。")
+            await self._init_agent("special_individual", system_prompt)
+
+        deps = WorkerIndividualDeps(task_event=task_event)
+        self.agent.retries = 3
+        try:
+            result = await self.agent.run(
+                f"请执行以下任务：\n{task_event}",
+                deps=deps
+            )
+            return {"output": result.data.output}
+        except Exception as e:
+            logger.exception(f"SpecialIndividual {self.agent_id} 执行失败: {e}")
+            raise