"""
NVIDIA Sidecar 限流代理 — 核心代理模块。

为 OpenAI Chat Completions 兼容 API 提供四层防护：
    1. 请求接收（FastAPI）
    2. 网关识别 → 非 NVIDIA 直通
    3. 优先级排队 → 令牌桶限流
    4. httpx 异步转发到 NVIDIA 上游
"""

from __future__ import annotations

from nvidia_sidecar.config import SidecarConfig, load_config
from nvidia_sidecar.rate_limiter import (
    Priority,
    TokenBucket,
    is_nvidia_gateway,
    normalize_gateway_name,
)
from nvidia_sidecar.priority_queue import (
    PriorityQueueItem,
    PriorityRequestQueue,
    QueueFullError,
    QueueFullPassthrough,
    QueueFullPolicy,
)

__version__ = "0.1.0"
__all__ = [
    "SidecarConfig",
    "load_config",
    "Priority",
    "TokenBucket",
    "is_nvidia_gateway",
    "normalize_gateway_name",
    "PriorityQueueItem",
    "PriorityRequestQueue",
    "QueueFullError",
    "QueueFullPassthrough",
    "QueueFullPolicy",
]