feat: move the terminal fully into the ssh-terminal plugin (B9)

src/backend/hosts/session-sharing/live-sessions.ts

@@ -1,4 +1,4 @@
-import { sessionManager } from "../terminal/session-manager.js";
+import { liveTerminalSessions } from "../live-terminal-sessions.js";
 // Remote Desktop is a first-party plugin (plugins/remote-desktop); this goes
 // through the same in-core bridge its router is mounted behind, since
 // plugins/ is compiled separately from src/backend/ and core cannot
@@ -43,7 +43,7 @@ export function isLiveSessionOwnedBy(
   userId: string,
 ): boolean {
   if (protocol === "ssh") {
-    const session = sessionManager.getSession(sessionId);
+    const session = liveTerminalSessions.getSession(sessionId);
     return !!session && session.isConnected && session.userId === userId;
   }
   const info = getGuacSessionInfo(sessionId);
@@ -55,7 +55,7 @@ export function isLiveSession(
   sessionId: string,
 ): boolean {
   if (protocol === "ssh") {
-    const session = sessionManager.getSession(sessionId);
+    const session = liveTerminalSessions.getSession(sessionId);
     return !!session && session.isConnected;
   }
   return !!getGuacSessionInfo(sessionId);