feat: v0.3.0 版本 - SSH终端、SFTP、端口转发功能实现

核心功能:
- SSH终端: 密码/密钥认证、XTerm.js终端、多主题配色、IP高亮
- SFTP管理: 双栏文件管理、上传下载、传输队列
- 端口转发: 本地/远程转发、SOCKS5动态代理、规则管理

架构改进:
- 拆分大型组件 (SFTPView/TabBar/Sidebar)
- 添加统一日志和错误处理
- 修复React严格模式下的终端黑屏问题

UI更新:
- 新增端口转发视图
- 更新UI预览文档
- 左侧栏右键菜单支持SFTP快捷打开

electron/ipc/session.ipc.ts

@@ -0,0 +1,74 @@
+/**
+ * Session IPC Handlers
+ * 处理会话的 CRUD 操作
+ */
+
+import { ipcMain, IpcMainInvokeEvent } from 'electron'
+import type { DatabaseService } from '../services/database-service'
+
+// IPC channel names
+export const SESSION_CHANNELS = {
+  CREATE: 'session:create',
+  GET_ALL: 'session:getAll',
+  GET_BY_ID: 'session:getById',
+  UPDATE: 'session:update',
+  DELETE: 'session:delete',
+} as const
+
+export interface SessionIPCOptions {
+  dbService: DatabaseService
+}
+
+export function registerSessionIPCHandlers(options: SessionIPCOptions): void {
+  const { dbService } = options
+
+  // Create session
+  ipcMain.handle(SESSION_CHANNELS.CREATE, async (_event: IpcMainInvokeEvent, session) => {
+    try {
+      const result = dbService.createSession(session)
+      return { success: true, session: result }
+    } catch (error: any) {
+      return { success: false, error: error.message }
+    }
+  })
+
+  // Get all sessions
+  ipcMain.handle(SESSION_CHANNELS.GET_ALL, async () => {
+    try {
+      const sessions = dbService.getAllSessions()
+      return { success: true, sessions }
+    } catch (error: any) {
+      return { success: false, error: error.message }
+    }
+  })
+
+  // Get session by ID
+  ipcMain.handle(SESSION_CHANNELS.GET_BY_ID, async (_event: IpcMainInvokeEvent, id: string) => {
+    try {
+      const session = dbService.getSessionById(id)
+      return { success: true, session }
+    } catch (error: any) {
+      return { success: false, error: error.message }
+    }
+  })
+
+  // Update session
+  ipcMain.handle(SESSION_CHANNELS.UPDATE, async (_event: IpcMainInvokeEvent, id: string, updates: any) => {
+    try {
+      const result = dbService.updateSession(id, updates)
+      return { success: true, session: result }
+    } catch (error: any) {
+      return { success: false, error: error.message }
+    }
+  })
+
+  // Delete session
+  ipcMain.handle(SESSION_CHANNELS.DELETE, async (_event: IpcMainInvokeEvent, id: string) => {
+    try {
+      dbService.deleteSession(id)
+      return { success: true }
+    } catch (error: any) {
+      return { success: false, error: error.message }
+    }
+  })
+}