Prepare prompt file attachments for future UI (#1376)

* Support file uploads to agents * Harden prompt file upload handling * Fix duplicate upload retry handling * Update relay reconnect tests for queued messages * Make upload timeout track idle progress * Clean failed upload directories
2026-06-06 20:37:38 +08:00
parent 9a8912b3ef
commit db4376d17a
16 changed files with 917 additions and 21 deletions
@@ -0,0 +1,35 @@
+import {
+  decodeFileTransferFrame,
+  FileTransferOpcode,
+  type FileTransferFrame,
+} from "./file-transfer.js";
+import {
+  decodeTerminalStreamFrame,
+  TerminalStreamOpcode,
+  type TerminalStreamFrame,
+} from "./terminal.js";
+
+export type BinaryFrame =
+  | { kind: "terminal"; frame: TerminalStreamFrame }
+  | { kind: "file_transfer"; frame: FileTransferFrame };
+
+export function decodeBinaryFrame(bytes: Uint8Array): BinaryFrame | null {
+  switch (bytes[0]) {
+    case TerminalStreamOpcode.Output:
+    case TerminalStreamOpcode.Input:
+    case TerminalStreamOpcode.Resize:
+    case TerminalStreamOpcode.Snapshot:
+    case TerminalStreamOpcode.Restore: {
+      const frame = decodeTerminalStreamFrame(bytes);
+      return frame ? { kind: "terminal", frame } : null;
+    }
+    case FileTransferOpcode.FileBegin:
+    case FileTransferOpcode.FileChunk:
+    case FileTransferOpcode.FileEnd: {
+      const frame = decodeFileTransferFrame(bytes);
+      return frame ? { kind: "file_transfer", frame } : null;
+    }
+    default:
+      return null;
+  }
+}