style: 项目重构

1.项目改名为kilostar（千星）
2.后端部分进行大规模重构
3.node功能进行大规模重新设计

kilostar/api/__init__.py

@@ -0,0 +1,146 @@
+#  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.
+
+import os
+from typing import Dict
+
+from fastapi import FastAPI, WebSocket, Request
+from fastapi.responses import FileResponse, JSONResponse
+from fastapi.staticfiles import StaticFiles
+from ray import serve
+
+from .agent import agent_router
+from .auth import auth_router
+from .cluster import cluster_router
+from .platform.frontend import client_router
+from .provider import provider_router
+from .resource import resource_router
+from .workflow import workflow_router
+from kilostar.utils.error import (
+    DemandError,
+    ModelNotExistError,
+    UserError,
+    UserNotExistError,
+    UserPasswordError,
+    ProviderError,
+    ProviderNotExistError,
+    WorkflowError,
+    WorkflowExit,
+)
+
+app = FastAPI()
+
+app.include_router(client_router)  # 客户端路径
+app.include_router(auth_router)  # 用户路径
+app.include_router(provider_router)  # 供应商路径
+app.include_router(resource_router)  # 资源路径
+app.include_router(cluster_router)  # 集群信息路径
+app.include_router(agent_router)  # agent路径
+app.include_router(workflow_router)  # workflow路径
+
+
+@app.exception_handler(UserNotExistError)
+async def user_not_exist_handler(request: Request, exc: UserNotExistError):
+    return JSONResponse(status_code=404, content={"message": "用户不存在"})
+
+
+@app.exception_handler(UserPasswordError)
+async def user_password_handler(request: Request, exc: UserPasswordError):
+    return JSONResponse(status_code=401, content={"message": "密码错误"})
+
+
+@app.exception_handler(UserError)
+async def user_error_handler(request: Request, exc: UserError):
+    return JSONResponse(status_code=400, content={"message": "用户相关错误"})
+
+
+@app.exception_handler(ProviderNotExistError)
+async def provider_not_exist_handler(request: Request, exc: ProviderNotExistError):
+    return JSONResponse(status_code=404, content={"message": "服务提供商不存在"})
+
+
+@app.exception_handler(ProviderError)
+async def provider_error_handler(request: Request, exc: ProviderError):
+    return JSONResponse(status_code=400, content={"message": "服务提供商错误"})
+
+
+@app.exception_handler(ModelNotExistError)
+async def model_not_exist_handler(request: Request, exc: ModelNotExistError):
+    return JSONResponse(status_code=404, content={"message": "模型不存在"})
+
+
+@app.exception_handler(DemandError)
+async def demand_error_handler(request: Request, exc: DemandError):
+    return JSONResponse(status_code=400, content={"message": "需求格式错误或不满足"})
+
+
+@app.exception_handler(WorkflowExit)
+async def workflow_exit_handler(request: Request, exc: WorkflowExit):
+    return JSONResponse(status_code=400, content={"message": "工作流已退出"})
+
+
+@app.exception_handler(WorkflowError)
+async def workflow_error_handler(request: Request, exc: WorkflowError):
+    return JSONResponse(status_code=500, content={"message": "工作流执行错误"})
+
+
+base_dir = os.path.dirname(
+    os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+)
+frontend_dir = os.path.join(base_dir, "frontend", "dist")
+
+if os.path.exists(frontend_dir):
+    app.mount(
+        "/assets",
+        StaticFiles(directory=os.path.join(frontend_dir, "assets")),
+        name="assets",
+    )
+
+    @app.get("/favicon.svg", include_in_schema=False)
+    async def serve_favicon():
+        return FileResponse(os.path.join(frontend_dir, "favicon.svg"))
+
+    @app.get("/icons.svg", include_in_schema=False)
+    async def serve_icons():
+        return FileResponse(os.path.join(frontend_dir, "icons.svg"))
+
+    @app.get("/{full_path:path}", include_in_schema=False)
+    async def serve_frontend(full_path: str):
+        # 【重要安全修复】避免拦截不存在的 API 路由。如果是调用了不存在的 /api/ 接口，直接返回 404，不返回前端页面
+        if full_path.startswith("api/"):
+            return JSONResponse(
+                status_code=404, content={"detail": "API endpoint not found"}
+            )
+
+        index_path = os.path.join(frontend_dir, "index.html")
+        if os.path.exists(index_path):
+            return FileResponse(index_path)
+        return JSONResponse(
+            status_code=404, content={"detail": "Frontend build not found"}
+        )
+else:
+    import logging
+
+    logging.getLogger("kilostar").warning(
+        f"Frontend dist folder not found at {frontend_dir}. Skipping frontend mount."
+    )
+
+
+@serve.deployment
+@serve.ingress(app)
+class kilostarGateway:
+    gateway: Dict[str, WebSocket]
+
+    def __init__(self):
+        self.gateway = {}