Reduce daemon churn from terminals and archived agents

Decouple terminal list snapshots from workspace status invalidation, and filter archived stored agents before projection so seeded homes do less work.

packages/server/src/terminal/terminal-worker-process.ts

@@ -188,14 +188,6 @@ function watchTerminal(session: TerminalSession): void {
   ]);
 }
 
-manager.subscribeTerminalsChanged((event) => {
-  sendToParent({
-    type: "terminalsChanged",
-    cwd: event.cwd,
-    terminals: event.terminals,
-  });
-});
-
 function enqueueCreateTerminalRequest(message: TerminalCreateRequest): Promise<void> {
   const nextRequest = createTerminalQueue.then(() => handleCreateTerminalRequest(message));
   createTerminalQueue = nextRequest.catch(() => {});
@@ -265,33 +257,17 @@ async function handleRequest(message: TerminalWorkerRequest): Promise<void> {
     }
 
     case "killTerminal": {
-      const session = manager.getTerminal(message.terminalId);
-      const cwd = session?.cwd;
       manager.killTerminal(message.terminalId);
+      // Removal is owned by session.onExit -> terminalExit; the parent mirror
+      // clears contribution and emits terminalsChanged from that single path.
       clearTerminalSubscriptions(message.terminalId);
-      if (cwd) {
-        sendToParent({
-          type: "terminalRemoved",
-          terminalId: message.terminalId,
-          cwd,
-        });
-      }
       sendToParent({ type: "response", requestId: message.requestId, ok: true });
       return;
     }
 
     case "killTerminalAndWait": {
-      const session = manager.getTerminal(message.terminalId);
-      const cwd = session?.cwd;
       await manager.killTerminalAndWait(message.terminalId, message.options);
       clearTerminalSubscriptions(message.terminalId);
-      if (cwd) {
-        sendToParent({
-          type: "terminalRemoved",
-          terminalId: message.terminalId,
-          cwd,
-        });
-      }
       sendToParent({ type: "response", requestId: message.requestId, ok: true });
       return;
     }