feat: Cluster mode support

- NewConnectionDialog: cluster checkbox
- connection.ts: use Redis.Cluster() when cluster is enabled
- i18n keys for cluster (zh-CN + en)

src/stores/connection.ts

@@ -97,6 +97,7 @@ export const useConnectionStore = defineStore('connection', () => {
         sentinelPort: conn.sentinelPort,
         sentinelMasterName: conn.sentinelMasterName,
         sentinelNodePassword: conn.sentinelNodePassword,
+        cluster: conn.cluster,
         sshEnabled: conn.sshEnabled,
         sshHost: conn.sshHost,
         sshPort: conn.sshPort,
@@ -168,6 +169,7 @@ export const useConnectionStore = defineStore('connection', () => {
     tlsCaPath?: string; tlsCertPath?: string; tlsKeyPath?: string; tlsRejectUnauthorized?: boolean
     sentinelEnabled?: boolean; sentinelHost?: string; sentinelPort?: number
     sentinelMasterName?: string; sentinelNodePassword?: string
+    cluster?: boolean
     sshEnabled?: boolean; sshHost?: string; sshPort?: number; sshUsername?: string
     sshPassword?: string; sshPrivateKeyPath?: string; sshPassphrase?: string
   }): Promise<{ success: boolean; error?: string }> {
@@ -191,6 +193,7 @@ export const useConnectionStore = defineStore('connection', () => {
         sentinelPort: opts.sentinelPort,
         sentinelMasterName: opts.sentinelMasterName,
         sentinelNodePassword: opts.sentinelNodePassword,
+        cluster: opts.cluster,
         sshEnabled: opts.sshEnabled,
         sshHost: opts.sshHost,
         sshPort: opts.sshPort,