Feat task manager priority queue

bindu/server/task_manager.py

@@ -63,11 +63,12 @@
 
 from __future__ import annotations
 
+import asyncio
 import uuid
 from contextlib import AsyncExitStack
 from dataclasses import dataclass, field
-from typing import Any
-
+from enum import IntEnum
+from typing import Any, Dict
 
 from ..utils.logging import get_logger
 from .handlers import ContextHandlers, MessageHandlers, TaskHandlers
@@ -79,24 +80,53 @@
 logger = get_logger("pebbling.server.task_manager")
 
 
+class TaskPriority(IntEnum):
+    """Task priority levels.
+
+    Higher values indicate higher priority.
+    """
+    LOW = 1
+    NORMAL = 2
+    HIGH = 3
+    URGENT = 4
+
+
 @dataclass
 class TaskManager:
-    """A task manager responsible for managing tasks and coordinating the AI agent ecosystem."""
+    """A task manager responsible for managing tasks and coordinating the AI agent ecosystem.
+
+    Implements task prioritization and rate limiting to ensure fair resource allocation.
+    """
 
     scheduler: Scheduler
     storage: Storage[Any]
     manifest: Any | None = None  # AgentManifest for creating workers
-
+
+    # Priority queue configuration
+    max_concurrent_tasks: int = 100  # Maximum concurrent tasks
     _aexit_stack: AsyncExitStack | None = field(default=None, init=False)
     _workers: list[ManifestWorker] = field(default_factory=list, init=False)
     _push_manager: PushNotificationManager = field(init=False)
     _message_handlers: MessageHandlers = field(init=False)
     _task_handlers: TaskHandlers = field(init=False)
     _context_handlers: ContextHandlers = field(init=False)
+
+    # Task queues by priority
+    _task_queues: Dict[TaskPriority, asyncio.Queue] = field(init=False)
+    _shutdown_event: asyncio.Event = field(init=False)
 
     def __post_init__(self) -> None:
-        """Initialize push notification manager after dataclass initialization."""
+        """Initialize task manager components after dataclass initialization."""
         self._push_manager = PushNotificationManager(manifest=self.manifest)
+        self._shutdown_event = asyncio.Event()
+
+        # Initialize priority queues
+        self._task_queues = {
+            TaskPriority.URGENT: asyncio.Queue(),
+            TaskPriority.HIGH: asyncio.Queue(),
+            TaskPriority.NORMAL: asyncio.Queue(),
+            TaskPriority.LOW: asyncio.Queue(),
+        }
 
     async def __aenter__(self) -> TaskManager:
         """Initialize the task manager and start all components."""