feat: add message queue for sequential run processing (#501)

Allow sending multiple messages while a run is active. Messages are
queued on the server and processed sequentially after each run
completes. Each completed assistant message triggers speech playback
independently, and the UI shows queue status with a badge indicator.

Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>

packages/server/src/services/hermes/gateway-manager.ts

@@ -74,9 +74,15 @@ function detectInitSystem(): string {
   // Linux 才检查 /proc
   if (platform === 'linux') {
     try {
+      if (existsSync('/.dockerenv') || existsSync('/run/.containerenv')) {
+        return 'container'
+      }
+
       const comm = readFileSync('/proc/1/comm', 'utf-8').trim()
 
-      if (comm === 'systemd') return 'systemd'
+      if (comm === 'systemd') {
+        return existsSync('/run/systemd/system') ? 'systemd' : 'other'
+      }
       if (comm === 'init') return 'sysvinit'
 
       return 'other'
@@ -223,13 +229,17 @@ export class GatewayManager {
   }
 
   /** 从 base 端口开始递增查找空闲端口（上限 65535） */
-  private findFreePort(base: number, host = '127.0.0.1'): Promise<number> {
+  private findFreePort(base: number, host = '127.0.0.1', reservedPorts = new Set<number>()): Promise<number> {
     return new Promise((resolve, reject) => {
       const tryPort = (port: number) => {
         if (port > 65535) {
           reject(new Error(`No free port found in range ${base}-65535`))
           return
         }
+        if (reservedPorts.has(port)) {
+          tryPort(port + 1)
+          return
+        }
         const server = createServer()
         server.once('error', () => {
           server.close()
@@ -318,7 +328,7 @@ export class GatewayManager {
 
     if (usedPorts.has(port)) {
       // 已管理端口冲突 → 找空闲端口
-      const newPort = await this.findFreePort(port, host)
+      const newPort = await this.findFreePort(port, host, usedPorts)
       logger.info('Port %d is in use for profile "%s", reassigning to %d', port, name, newPort)
       this.writeProfilePort(name, newPort, host)
       port = newPort
@@ -326,7 +336,7 @@ export class GatewayManager {
       // 检查系统级端口占用（外部进程）
       const available = await this.checkPortAvailable(port, host)
       if (!available) {
-        const newPort = await this.findFreePort(port, host)
+        const newPort = await this.findFreePort(port, host, usedPorts)
         logger.info('Port %d is occupied by another process for profile "%s", reassigning to %d', port, name, newPort)
         this.writeProfilePort(name, newPort, host)
         port = newPort