refactor: reorganize startup persistence boundaries

app/startup/initializers/routers.py

@@ -0,0 +1,23 @@
+from fastapi import FastAPI
+
+def init_routers(app: FastAPI, api_prefix: str = "/api/v1"):
+    """
+    初始化路由
+
+    :param app: 需要挂载路由的 FastAPI 应用
+    :param api_prefix: v1 API 根路径，由启动组合根传入
+    """
+    from app.api.router_specs import API_V1_ROUTER_SPECS
+    from app.api.servarr import arr_router
+    from app.api.servcookie import cookie_router
+    # 直接聚合端点路由，避免先构建兼容路由器再克隆到最终应用。
+    for spec in API_V1_ROUTER_SPECS:
+        app.include_router(
+            spec.router,
+            prefix=f"{api_prefix}{spec.prefix}",
+            tags=list(spec.tags),
+        )
+    # Radarr、Sonarr路由
+    app.include_router(arr_router, prefix="/api/v3")
+    # CookieCloud路由
+    app.include_router(cookie_router, prefix="/cookiecloud")