refactor(config): 引入 ConfigPath 值对象消除 ConfigType/ConfigKey 的消费者 API 冗余

src/interfaces/ConfigProvider.py

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+# -*- coding: utf-8 -*-
+"""
+Copyright (c) 2026 KenanZhu.
+All rights reserved.
+
+This software is provided "as is", without any warranty of any kind.
+You may use, modify, and distribute this file under the terms of the MIT License.
+See the LICENSE file for details.
+"""
+from dataclasses import dataclass
+from enum import Enum
+from typing import Any, Optional, Protocol
+
+
+class ConfigType(Enum):
+    """
+        Config type enum. Values represent the default filename.
+    """
+    GLOBAL = "autolibrary.json"
+    BULLETIN = "bulletin.json"
+    TIMERTASK = "timer_task.json"
+
+
+@dataclass(frozen=True)
+class ConfigPath:
+    """
+        A typed configuration path that carries both the config file
+        and the dot-separated key in a single object.
+
+        Consumers pass this directly to ConfigProvider.get/set,
+        eliminating the need to import ConfigType separately.
+    """
+    config_type: ConfigType
+    key: str = ""
+
+
+class CfgKey:
+    """
+        Type-safe hierarchical configuration key constants.
+
+        Each leaf is a ConfigPath that can be passed directly to
+        ``ConfigProvider.get()`` or ``ConfigProvider.set()``.
+
+        Usage::
+
+            CfgKey.GLOBAL.AUTOMATION.RUN_PATH.PATHS
+            # -> ConfigPath(ConfigType.GLOBAL, "automation.run_path.paths")
+
+            config.get(CfgKey.GLOBAL.AUTOMATION.RUN_PATH.PATHS, [])
+            config.set(CfgKey.GLOBAL.AUTOMATION.RUN_PATH.PATHS, value)
+    """
+
+    class GLOBAL:
+        class AUTOMATION:
+            ROOT = ConfigPath(ConfigType.GLOBAL, "automation")
+
+            class RUN_PATH:
+                ROOT = ConfigPath(ConfigType.GLOBAL, "automation.run_path")
+                CURRENT = ConfigPath(ConfigType.GLOBAL, "automation.run_path.current")
+                PATHS = ConfigPath(ConfigType.GLOBAL, "automation.run_path.paths")
+
+            class USER_PATH:
+                ROOT = ConfigPath(ConfigType.GLOBAL, "automation.user_path")
+                CURRENT = ConfigPath(ConfigType.GLOBAL, "automation.user_path.current")
+                PATHS = ConfigPath(ConfigType.GLOBAL, "automation.user_path.paths")
+
+    class TIMERTASK:
+        ROOT = ConfigPath(ConfigType.TIMERTASK, "")
+        TIMER_TASKS = ConfigPath(ConfigType.TIMERTASK, "timer_tasks")
+
+    class BULLETIN:
+        ROOT = ConfigPath(ConfigType.BULLETIN, "")
+        BULLETIN = ConfigPath(ConfigType.BULLETIN, "bulletin")
+        LAST_SYNC_TIME = ConfigPath(ConfigType.BULLETIN, "last_sync_time")
+
+
+class ConfigProvider(Protocol):
+    """
+        Abstract interface for configuration storage access.
+
+        Concrete implementations (e.g. ConfigManager) conform to
+        this protocol structurally rather than through explicit
+        inheritance.
+    """
+
+    def get(
+        self,
+        key: ConfigPath,
+        default: Optional[Any] = None
+    ) -> Any:
+        """
+            Retrieve a configuration value.
+
+            Args:
+                key: A ConfigPath object specifying which config file
+                     and key to read from.
+                default: Fallback value if the key is not found.
+
+            Returns:
+                The configuration value at the given key path.
+        """
+        ...
+
+    def set(
+        self,
+        key: ConfigPath,
+        value: Any = None
+    ) -> None:
+        """
+            Set a configuration value and persist to disk.
+
+            Args:
+                key: A ConfigPath object specifying which config file
+                     and key to write to.
+                value: The value to store.
+        """
+        ...

src/interfaces/__init__.py

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+"""
+    Interfaces module for the AutoLibrary project.
+
+    Defines abstract interfaces (Protocols) and shared type definitions
+    used across layers to decouple consumers from concrete implementations.
+
+    Key components:
+    - ConfigProvider: Abstract interface for configuration access.
+    - ConfigType: Enumeration of configuration file types.
+    - ConfigKey: Type-safe hierarchical key constants for config lookups.
+"""