WIP: Staged all changes

backend/src/app.py

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+# [DEF:AppModule:Module]
+# @SEMANTICS: app, main, entrypoint, fastapi
+# @PURPOSE: The main entry point for the FastAPI application. It initializes the app, configures CORS, sets up dependencies, includes API routers, and defines the WebSocket endpoint for log streaming.
+# @LAYER: UI (API)
+# @RELATION: Depends on the dependency module and API route modules.
+import sys
+from pathlib import Path
+
+# Add project root to sys.path to allow importing superset_tool
+# Assuming app.py is in backend/src/
+project_root = Path(__file__).resolve().parent.parent.parent
+sys.path.append(str(project_root))
+
+from fastapi import FastAPI, WebSocket, WebSocketDisconnect, Depends
+from fastapi.middleware.cors import CORSMiddleware
+import asyncio
+
+from .dependencies import get_task_manager
+from .core.logger import logger
+from .api.routes import plugins, tasks
+
+# [DEF:App:Global]
+# @SEMANTICS: app, fastapi, instance
+# @PURPOSE: The global FastAPI application instance.
+app = FastAPI(
+    title="Superset Tools API",
+    description="API for managing Superset automation tools and plugins.",
+    version="1.0.0",
+)
+
+# Configure CORS
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],  # Adjust this in production
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+
+# Include API routes
+app.include_router(plugins.router, prefix="/plugins", tags=["Plugins"])
+app.include_router(tasks.router, prefix="/tasks", tags=["Tasks"])
+
+# [DEF:WebSocketEndpoint:Endpoint]
+# @SEMANTICS: websocket, logs, streaming, real-time
+# @PURPOSE: Provides a WebSocket endpoint for clients to connect to and receive real-time log entries for a specific task.
+@app.websocket("/ws/logs/{task_id}")
+async def websocket_endpoint(websocket: WebSocket, task_id: str, task_manager=Depends(get_task_manager)):
+    await websocket.accept()
+    logger.info(f"WebSocket connection established for task {task_id}")
+    try:
+        # Send initial logs if any
+        initial_logs = task_manager.get_task_logs(task_id)
+        for log_entry in initial_logs:
+            await websocket.send_json(log_entry.dict())
+
+        # Keep connection alive, ideally stream new logs as they come
+        # This part requires a more sophisticated log streaming mechanism (e.g., queues, pub/sub)
+        # For now, it will just keep the connection open and send initial logs.
+        while True:
+            await asyncio.sleep(1) # Keep connection alive, send heartbeat or check for new logs
+            # In a real system, new logs would be pushed here
+    except WebSocketDisconnect:
+        logger.info(f"WebSocket connection disconnected for task {task_id}")
+    except Exception as e:
+        logger.error(f"WebSocket error for task {task_id}: {e}")
+
+# [/DEF]
+
+# [DEF:RootEndpoint:Endpoint]
+# @SEMANTICS: root, healthcheck
+# @PURPOSE: A simple root endpoint to confirm that the API is running.
+@app.get("/")
+async def read_root():
+    return {"message": "Superset Tools API is running"}
+# [/DEF]