feat: Command Log dialog

- New commandLogger.ts: in-memory log (max 5000 entries)
- withLog() wrapper in ipc-handlers.ts for all write commands
- CommandLog.vue: table with time/command/duration, write-only filter
- IPC: redis:getCommandLog, redis:clearCommandLog
- Ctrl+G shortcut from Sidebar
- i18n keys (zh-CN + en)

electron/main/redis/commandLogger.ts

@@ -0,0 +1,49 @@
+// electron/main/redis/commandLogger.ts
+// 命令日志记录器
+
+export interface CommandEntry {
+  id: number
+  time: string
+  connection: string
+  command: string
+  duration: number
+  isWrite: boolean
+}
+
+const MAX_ENTRIES = 5000
+let nextId = 1
+const entries: CommandEntry[] = []
+
+const WRITE_COMMANDS = new Set([
+  'SET', 'DEL', 'HSET', 'HDEL', 'RPUSH', 'LPUSH', 'LSET', 'LREM',
+  'SADD', 'SREM', 'ZADD', 'ZREM', 'XADD', 'XDEL', 'XTRIM',
+  'RENAME', 'EXPIRE', 'PERSIST', 'FLUSHDB', 'SELECT',
+  'SETEX', 'INCR', 'DECR', 'INCRBY', 'DECRBY', 'APPEND',
+  'HMSET', 'HINCRBY', 'HINCRBYFLOAT',
+  'LPOP', 'RPOP', 'BLPOP', 'BRPOP',
+  'ZINCRBY', 'ZREMRANGEBYRANK', 'ZREMRANGEBYSCORE',
+  'UNLINK', 'MOVE', 'RENAMENX',
+])
+
+export function log(connection: string, command: string, duration: number): void {
+  const isWrite = WRITE_COMMANDS.has(command.split(' ')[0].toUpperCase())
+  entries.push({
+    id: nextId++,
+    time: new Date().toISOString(),
+    connection,
+    command,
+    duration,
+    isWrite,
+  })
+  if (entries.length > MAX_ENTRIES) {
+    entries.splice(0, entries.length - MAX_ENTRIES)
+  }
+}
+
+export function getLog(): CommandEntry[] {
+  return entries
+}
+
+export function clearLog(): void {
+  entries.length = 0
+}

electron/main/redis/index.ts

@@ -9,3 +9,4 @@ export * from './set'
 export * from './zset'
 export * from './stream'
 export * from './server'
+export * from './commandLogger'