Make mobile terminals load faster (#1147)

* Speed up terminal restores on mobile

* Preserve terminal output bytes in the app

packages/server/src/client/terminal-stream-router.ts

@@ -9,7 +9,8 @@ import type { TerminalInput, TerminalState } from "../shared/messages.js";
 
 export type TerminalStreamEvent =
   | { terminalId: string; type: "output"; data: Uint8Array }
-  | { terminalId: string; type: "snapshot"; state: TerminalState };
+  | { terminalId: string; type: "snapshot"; state: TerminalState }
+  | { terminalId: string; type: "restore"; data: Uint8Array };
 
 export class TerminalStreamRouter {
   private readonly terminalSlots = new Map<string, number>();
@@ -97,6 +98,15 @@ export class TerminalStreamRouter {
       return;
     }
 
+    if (frame.opcode === TerminalStreamOpcode.Restore) {
+      this.emit({
+        terminalId,
+        type: "restore",
+        data: frame.payload,
+      });
+      return;
+    }
+
     if (frame.opcode === TerminalStreamOpcode.Snapshot) {
       const state = decodeTerminalSnapshotPayload(frame.payload);
       if (!state) {