feat: 导入 CapacityReport 初始源码

app/state.py

@@ -0,0 +1,43 @@
+from typing import Any
+
+from app.config import AppConfig
+from app.history import HistoryManager
+
+
+config = AppConfig.load()
+history_manager = HistoryManager()
+processing_tasks: dict[str, dict[str, Any]] = {}
+upload_sessions: dict[str, dict[str, Any]] = {}
+auto_scheduler: Any | None = None
+
+global_task_lock: dict[str, Any] = {
+    "locked": False,
+    "task_id": None,
+    "stage": None,
+    "started_at": None,
+}
+
+
+def reset_task_lock() -> None:
+    global_task_lock["locked"] = False
+    global_task_lock["task_id"] = None
+    global_task_lock["stage"] = None
+    global_task_lock["started_at"] = None
+
+
+def reload_config() -> AppConfig:
+    """从 Configure.json 重新加载配置，保证接口读取到最新文件内容。"""
+    global config
+    config = AppConfig.load()
+    return config
+
+
+def current_config() -> AppConfig:
+    return reload_config()
+
+
+def apply_history_retention() -> int:
+    retention = current_config().history_retention.normalized()
+    if not retention.enabled:
+        return 0
+    return history_manager.prune_finished(retention.keep_count)