feat: enhance subscription management with backup option and update CLI commands

AGENTS.md

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+# AGENTS.md
+
+## Overview
+
+This document describes the autonomous agents, subagents, and their roles within the scientific-surfing project.
+
+---
+
+## Agent List
+
+### 1. SubscriptionManager Agent
+- **Purpose:** Handles all subscription-related operations, including adding, refreshing, deleting, renaming, and activating subscriptions.
+- **Key Methods:**
+  - `add_subscription`
+  - `refresh_subscription`
+  - `delete_subscription`
+  - `rename_subscription`
+  - `set_subscription_url`
+  - `activate_subscription`
+  - `list_subscriptions`
+- **Notes:** Supports backup option on refresh.
+
+### 2. StorageManager Agent
+- **Purpose:** Manages persistent storage for configuration and subscription data.
+- **Key Methods:**
+  - `load_subscriptions`
+  - `save_subscriptions`
+  - `load_config`
+  - `get_storage_info`
+
+### 3. CoreConfigManager Agent
+- **Purpose:** Handles core configuration management, including import/export, editing, resetting, and applying configuration.
+- **Key Methods:**
+  - `import_config`
+  - `export_config`
+  - `edit_config`
+  - `reset_config`
+  - `show_config`
+  - `apply`
+
+### 4. CoreManager Agent
+- **Purpose:** Manages core components and system service operations (install, uninstall, start, stop, restart, reload, status, update).
+- **Key Methods:**
+  - `install_service`
+  - `uninstall_service`
+  - `start_service`
+  - `stop_service`
+  - `restart_service`
+  - `reload_service`
+  - `get_service_status`
+  - `update`
+
+### 5. HookManager Agent
+- **Purpose:** Manages hook scripts for automation and customization.
+- **Key Methods:**
+  - `init`
+  - `list_hooks`
+  - `edit`
+  - `rm`
+
+---
+
+## Agent Interactions
+- The CLI acts as the orchestrator, parsing user commands and delegating tasks to the appropriate agent.
+- Agents interact via method calls and shared data models.
+
+---
+
+## Extending Agents
+- To add a new agent, implement a new manager class and update the CLI to route commands.
+- Document new agents and their responsibilities in this file.
+
+---
+
+## Last updated
+May 26, 2026