Make mobile terminals load faster (#1147)

* Speed up terminal restores on mobile

* Preserve terminal output bytes in the app

packages/server/src/terminal/terminal-manager.ts

@@ -1,4 +1,9 @@
-import { createTerminal, type TerminalSession, type TerminalStateSnapshot } from "./terminal.js";
+import {
+  createTerminal,
+  type TerminalSession,
+  type TerminalStateSnapshot,
+  type TerminalStateSnapshotOptions,
+} from "./terminal.js";
 import { captureTerminalLines, type CaptureTerminalLinesResult } from "./terminal-capture.js";
 import { resolve, sep, win32, posix } from "node:path";
 
@@ -29,7 +34,10 @@ export interface TerminalManager {
   }): Promise<TerminalSession>;
   registerCwdEnv(options: { cwd: string; env: Record<string, string> }): void;
   getTerminal(id: string): TerminalSession | undefined;
-  getTerminalState(id: string): Promise<TerminalStateSnapshot | null>;
+  getTerminalState(
+    id: string,
+    options?: TerminalStateSnapshotOptions,
+  ): Promise<TerminalStateSnapshot | null>;
   setTerminalTitle(id: string, title: string): boolean;
   killTerminal(id: string): void;
   killTerminalAndWait(
@@ -208,8 +216,11 @@ export function createTerminalManager(): TerminalManager {
       return terminalsById.get(id);
     },
 
-    async getTerminalState(id: string): Promise<TerminalStateSnapshot | null> {
-      return terminalsById.get(id)?.getStateSnapshot() ?? null;
+    async getTerminalState(
+      id: string,
+      options?: TerminalStateSnapshotOptions,
+    ): Promise<TerminalStateSnapshot | null> {
+      return terminalsById.get(id)?.getStateSnapshot(options) ?? null;
     },
 
     setTerminalTitle(id: string, title: string): boolean {