feat: 支持自托管的 remote-control-server (#214)

* feat: 支持自托管的 remote-control-server (#214)

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

packages/remote-control-server/src/services/disconnect-monitor.ts

@@ -0,0 +1,32 @@
+import { storeListActiveEnvironments, storeUpdateEnvironment } from "../store";
+import { storeListSessions, storeUpdateSession } from "../store";
+import { config } from "../config";
+
+export function startDisconnectMonitor() {
+  const timeoutMs = config.disconnectTimeout * 1000;
+
+  setInterval(() => {
+    const now = Date.now();
+
+    // Check environment heartbeat timeout
+    const envs = storeListActiveEnvironments();
+    for (const env of envs) {
+      if (env.lastPollAt && now - env.lastPollAt.getTime() > timeoutMs) {
+        console.log(`[RCS] Environment ${env.id} timed out (no poll for ${Math.round((now - env.lastPollAt.getTime()) / 1000)}s)`);
+        storeUpdateEnvironment(env.id, { status: "disconnected" });
+      }
+    }
+
+    // Check session timeout (2x disconnect timeout with no update)
+    const sessions = storeListSessions();
+    for (const session of sessions) {
+      if (session.status === "running" || session.status === "idle") {
+        const elapsed = now - session.updatedAt.getTime();
+        if (elapsed > timeoutMs * 2) {
+          console.log(`[RCS] Session ${session.id} marked inactive (no update for ${Math.round(elapsed / 1000)}s)`);
+          storeUpdateSession(session.id, { status: "inactive" });
+        }
+      }
+    }
+  }, 60_000); // Check every minute
+}